Captive Screws Styled knob series M3 thread size Smooth knob meets UL-1950 Designed for hand operation Spring ejected Wide variety of sizes, re

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1 Captive Screws d knob series M3 thread size Smooth knob meets U-1950 Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options Material and Finish : Press-in: Hardened carbon steel, zinc plated, chromate, plus sealer Flare-in and : Aluminum, natural P.C. board style: 300 Series stainless steel, passivated : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer See pages , 543 Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle s Slotted No. 1 Phillips T10 TORX Height and Screw Projection (Flare-in style shown) A Min. s ACTUA SIZE A Max. T10 TORX / Unfastened Unfastened Fastened P-2 No. 1 Phillips / H-2 P.C. Board Ø 1 (.42) Ø 1 (.42) Ø 1 (.42) Ø 1 (.42) To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 5.5 (.217) Ø 4.6 (.181) Ø 4.9 (.194) (.058) Ø 6.1 (.240) Washer (supplied) Ø 7.8 (.307) TORX is a registered trademark of ACUMENT Intellectual Properties, C (.025)

2 441 P.C. Board Height H (.33) 8.3 (.33) 8.1 (.32) 8.6 (.34) Outer Panel Dimensions A Min. 0.9 (.036) (.061) (.059) 2.5 (.098) 4 (.157) 5.6 (.220) (.058) (.063) A Max. B (.058) 2.5 (.098) 4 (.156) 5.6 (.219) 7.1 (.281) (.058) 2.5 (.098) (.063) 2.4 (.094) (.015) (.015) 2.4 (.093) 4 (.156) (.015) (.015) 2 (.080) 2.8 (.111) 3.6 (.143) Total Float (.08) Flange ength Screw Projection Beyond Outer Surface of Panel P-2 Slotted Phillips Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness TORX TORX / Slot Phillips / Slot 3.8 (.15) (.10) 5.5 (.22) (.16) 7 (.28) (.22) 8.6 (.34) (.06) 4.5 (.18) (.041) 1.8 (.070) 2.6 (.104) 4.2 (.166) 5.8 (.299) 1.0 (.041) 1.8 (.070) 2.6 (.101) 3.4 (.132) 4.2 (.164) 4 (.16) (.06) 4.7 (.19) (.10) 5.7 (.22) (.16) 7.2 (.28) (.22) 8.8 (.35) (.10) 5.7 (.22) (.16) 7.2 (.28) (.22) 8.8 (.35) (.13) 6.4 (.25) (.19) 7.9 (.31) (.25) 9.5 (.37) (.07) 5.1 (.20) (.13) 6.6 (.26) (.19) 8.2 (.32) (.07) 5.1 (.20) (.13) 6.6 (.26) (.19) 8.2 (.32) (.13) 6.6 (.26) (.19) 8.2 (.32) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Change 3 to 7: For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply

3 Captive Screws d knob series M3.5 thread size Smooth knob meets U-1950 Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer P.C. board: 300 Series stainless steel, passivated Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer See pages , 543 Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle s Slotted No. 2 Phillips T15 TORX Height and Screw Projection (Flare-in style shown) A Min. s ACTUA SIZE A Max. T15 TORX / Unfastened Unfastened Fastened P-2 No. 2 Phillips / H-2 P.C. Board Snap-In Ø 1 Ø 1 Ø 1 Ø 1 Ø 1 To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 6.3 (.248) (.058) Ø 6.9 (.272) Ø 5.3 (.209) Ø 5.7 (.224) Washer (supplied) Ø 8.6 (.339) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

4 443 P.C. Board Snap-In Height Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Flange Total B ength Float H-2 A Min. A Max. P (.63) 14.8 (.58) 15.3 (.60) 15.4 (.60) 15.4 (.60) 11.2 (.44) 10 (.39) 1 (.41) 1 (.42) 1 (.42) 0.9 (.036) (.061) (.058) (.125) (.015) (.058) (.125) (.015) 1.8 (.07) Slotted Phillips TORX TORX / Slot Phillips / Slot 0.5 (.02) 5.3 (.21) (.09) 6.9 (.27) (.15) 8.5 (.33) (.21) 10.1 (.40) (.06) 6.2 (.24) (.07) 1.1 (.04) 6 (.24) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.7 (.11) 7.6 (.30) (.188) 6.4 (.250) (.125) 5 (.197) 4.3 (.17) 9.2 (.36) (.252) 7.9 (.312) 4.8 (.189) 6.6 (.26) 5.9 (.23) 1 (.43) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.7 (.11) 7.6 (.30) (.17) 9.2 (.36) (.23) 1 (.43) (.17) 9.2 (.36) (.23) 1 (.43) (.189) 6.4 (.250) (.125) 5 (.197) 5.9 (.23) 1 (.43) (.083) 2.9 (.113) 2.2 (.063) 2.9 (.114) (.09) 3.7 (.144) (.063) 2.4 (.094) 3.7 (.146) 4.5 (.176) 0.5 (.02) 1 (.039) 2 (.079) 1.1 (.044) 1 (.039) (.063) 2.6 (.103) 1.7 (.067) 2.4 (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.16) 8.8 (.35) (.22) 1 (.41) (.22) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Change 3 to 7: For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply

5 Captive Screws d knob series M4 thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T25 TORX T25 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer ACTUA SIZE Height and Screw Projection (Flare-in style shown) Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened See pages , 543 Notes A Min. H-2 To ensure you receive SOUTHCO quality parts, look for the segmented circle A Max. P-2 s Snap-In To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 7.9 (.310) Ø 6.7 (.262) Washer (supplied) Ø 7.3 (.287) Ø 10.2 (.400) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

6 445 Snap-In Height Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Flange Total B ength Float H-2 A Min. A Max. P (.64) 15.6 (.61) 16.2 (.64) 15.7 (.62) (.41) 11.2 (.44) 11.2 (.44) 0.9 (.036) (.058) (.125) (.015) (.126) 4.8 (.189) (.062) 1.8 (.070) 3.4 (.135) Slotted Phillips TORX TORX / Slot Phillips / Slot (.02) 5.6 (.22) (.09) 7.2 (.28) (.15) 8.7 (.34) (.21) 10.3 (.41) (.05) 6.3 (.25) (.11) 7.9 (.31) (.189) 6.4 (.251) (.125) 5 (.197) 4.4 (.17) 9.5 (.37) (.251) 7.9 (.312) 4.8 (.187) (.26) 6 (.24) 11.1 (.44) (.11) 7.9 (.31) (.058) (.125) (.015) 1.8 (.07) 4.4 (.17) 9.5 (.37) (.126) 4.8 (.189) (.062) 3.4 (.135) 6 (.24) 11.1 (.44) (.17) 9.5 (.37) (.24) 11.1 (.44) (.189) 6.4 (.250) (.125) 5 (.197) 6 (.24) 11.1 (.44) (.09) (.127) 2.3 (.063) 3.1 (.121) (.09) 4 (.158) (.063) 2.4 (.094) 3.9 (.153) 0.5 (.02) 1 (.039) 2 (.079) 1 (.039) (.063) 2.6 (.102) (.063) 2.5 (.098) 3.5 (.138) (.190) 1.1 (.044) 1.7 (.068) 2.6 (.103) 2.4 (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.16) 7.2 (.28) (.22) 8.8 (.35) (.04) 5.6 (.22) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

7 Captive Screws d knob series M5 thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T25 TORX T25 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated ACTUA SIZE Height and Screw Projection (Flare-in style shown) Screw: Hardened carbon steel, zinc plated, chromate, plus sealer Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened See pages , 543 Notes A Min. H-2 To ensure you receive SOUTHCO quality parts, look for the segmented circle A Max. P-2 s Snap-In To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 7.9 (.310) Ø 6.7 (.262) Washer (supplied) Ø 7.3 (.287) Ø 10.2 (.400) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

8 447 Snap-In Height Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Flange Total ength Float H-2 A Min. A Max. B P (.64) (.036) 15.6 (.61) 10.5 (.41) 16 (.63) 11.2 (.44) 15.7 (.62) 11.2 (.44) (.058) (.125) (.015) (.02) (.058) (.125) (.015) (.02) 1.8 (.070) Slotted Phillips TORX TORX / Slot Phillips / Slot (.024) 5.5 (.22) (.087) 7.1 (.28) (.15) 8.7 (.34) (.21) 10.3 (.41) (.070) 1.2 (.05) 6.3 (.25) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.8 (.11) 7.9 (.31) (.189) 6.4 (.250) (.125) 5 (.197) 4.4 (.17) 9.5 (.37) (.251) 7.9 (.312) 4.8 (.189) 6.6 (.260) 6 (.24) 11.1 (.44) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.8 (.11) 7.9 (.31) (.17) 9.5 (.37) (.24) 11.1 (.44) (.17) 9.5 (.37) (.24) 11.1 (.44) (.189) 6.4 (.250) (.125) 5 (.197) 6 (.24) 11.1 (.44) (.090) (.127) 2.3 (.063) 3.1 (.121) (.09) 4 (.158) (.063) 2.4 (.094) 3.9 (.153) 4.8 (.190) 0.5 (.020) 1 (.039) 2 (.079) 1.1 (.044).9 1 (.039) (.063) 2.6 (.103) (.04) 1.7 (.068) (.063) 2.5 (.098) 3.5 (.138) 2.6 (.103) 2.4 (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.16) 8.8 (.35) (.22) 1 (.41) (.04) 5.6 (.22) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.2 (.28) (.17) 8.8 (.35) (.23) 1 (.41) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

9 Captive Screws d knob series M6 thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T30 TORX T30 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in and : Aluminum, natural : Aluminum, natural or black powder coated ACTUA SIZE Height and Screw Projection (Flare-in style shown) Screw: Hardened carbon steel, zinc plated, chromate, plus sealer See pages , 543 Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle A Min. A Max. P-2 H-2 s Ø 14.7 (.58) Ø 14.7 (.58) Ø 14.7 (.58) To request a quote, please releases@dbroberts.com, or call us at Thread Size Ø 9.4 (.372) Ø 8.1 (.319) Washer (supplied) Ø 11.9 (.470) Ø 8.9 (.349) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

10 449 Height H-2 Outer Panel Dimensions A Min. A Max. B Total Float Flange ength Screw Projection Beyond Outer Surface of Panel P-2 Slotted Phillips TORX TORX / Slot Phillips / Slot 20 (.79) 19.3 (.76) 20 (.79) 13.4 (.53) 12.7 (.50) 13.3 (.52) 0.9 (.036) (.058) (.126) 4.8 (.189) 6.4 (.251) (.058) (.126) 4.8 (.189) (.063) (.125) 4.8 (.189) 6.4 (.250) 7.9 (.312) (.125) 4.8 (.189) 6.4 (.250) (.063) 2.4 (.094) (.015) (.062) (.125) 4.8 (.189) (.015) (.062) (.125) 2.5 (.097) 3.3 (.128) 4.1 (.160) (.09) 0.5 (.02) 7.1 (.28) (.08) 8.7 (.34) (.15) 10.3 (.41) (.21) 11.9(.47) (.070) 1.2 (.05) 7.8 (.31) (.135) 2.8 (.11) 9.4 (.31) (.197) 4.4 (.17) 11 (.43) (.260) 6 (.24) 12.6 (.50) (.070) 3.4 (.135) 2.8 (.11) 9.4 (.37) (.17) 11 (.43) (.24) 12.6 (.50) (.17) 11 (.43) (.24) 12.6 (.50) (.197) 6 (.24) 12.6 (.50) (.127) 4 (.158) 4.8 (.189) 2.1 (.08) 8.8 (.35) (.15) 1 (.41) (.21) 12 (.47) (.08) 8.8 (.35) (.15) 1 (.41) (.21) 12 (.47) (.15) 1 (.41) (.21) 12 (.47) Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

11 Captive Screws d knob series 4-40 thread size Smooth knob meets U-1950 Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer P.C. board style: 300 Series stainless steel Flare-in and : Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer See pages , 543 Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle s Slotted No. 1 Phillips T10 TORX Height and Screw Projection (Flare-in style shown) A Min. s ACTUA SIZE A Max. T10 TORX / Unfastened Unfastened Fastened P-2 No. 1 Phillips / H-2 P.C. Board Ø 1 (.42) Ø 1 (.42) Ø 1 (.42) Ø 1 (.42) To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 5.5 (.217) (.058) Ø 6.1 (.240) Ø 4.6 (.181) Ø 4.9 (.194) Washer (supplied) TORX is a registered trademark of ACUMENT Intellectual Properties, C Ø 7.8 (.307) (.025)

12 451 Height H (.33) Outer Panel Dimensions A Min. 0.9 (.036) A Max. B Total Float Flange ength Screw Projection Beyond Outer Surface of Panel P-2 Slotted Phillips TORX TORX / Slot Phillips / Slot 3.8 (.15) (.10) 5.5 (.22) (.16) 7 (.28) (.22) 8.6 (.34) P.C. Board (.33) (.061) (.06) 4.5 (.18) (.32) 8.6 (.34) (.059) 2.5 (.1) 4 (.157) 5.6 (.220) (.059) (.063) (.058) 2.5 (.100) 4 (.156) 5.6 (.219) 7.1 (.281) (.058) 2.5 (.100) (.063) 2.4 (.094) (.015) (.015) 2.4 (.093) 4 (.156) (.015) (.015) 2 (.080) 2.8 (.111) 3.6 (.143) 2.1 (.08) 1 (.041) 1.8 (.070) (.06) 4 (.16) (.19) ( (.10) 5.7 (.22) (.166) 4 (.16) 7.2 (.28) (.229) 1 (.041) 1.8 (.070) 2.6 (.101) 3.4 (.132) 4.2 (.164) 5.6 (.22) 8.8 (.35) (.10) 5.7 (.22) (.16) 7.2 (.28) (.22) (.13) 8.8 (.35) (.25) (.19) 7.9 (.31) (.25) 9.5 (.37) (.07) 5.1 (.20) (.13) 6.6 (.26) (.19) 8.2 (.32) (.07) 5.1 (.20) (.13) 6.6 (.26) (.19) 8.2 (.32) (.13) 6.6 (.26) (.19) 8.2 (.32) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Change 3 to 7: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply

13 Captive Screws d knob series 6-32 thread size Smooth knob meets U-1950 Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer P.C. board style: 300 Series stainless steel, passivated Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer See pages , 543 Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle s Slotted No. 2 Phillips T15 TORX A Min. ACTUA SIZE Height and Screw Projection (Flare-in style shown) s A Max. T15 TORX / Unfastened Unfastened Fastened P-2 No. 2 Phillips / H-2 P.C. Board Snap-In Ø 1 Ø 1 Ø 1 Ø 1 Ø 1 To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 6.3 (.248) (.058) Ø 6.9 (.272) Ø 5.3 (.209) Ø 5.7 (.224) Washer (supplied) Ø 8.6 (.339) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

14 453 P.C. Board Snap-In Screw Projection Outer Panel Beyond Outer Height Dimensions Total B Flange Surface of Panel Float ength H-2 A Min. A Max. P (.63) 14.8 (.58) 15.3 (.60) 15.3 (.60) 15.3 (.60) 11.2 (.44) 10 (.39) 1 (.41) 1 (.42) 1 (.42) 0.9 (.036) (.061) (.058) (.125) (.015) Slotted Phillips TORX TORX / Slot Phillips / Slot 0.5 (.02) 5.3 (.21) (.08) 6.9 (.27) (.15) 8.5 (.33) (.21) 10.1 (.40) (.06) 6.1 (.24) (.07) 1.1 (.04) 6 (.24) (.125) 4.8 (.189) (.062) 3.4 (.135) 2.7 (.11) 7.6 (.30) (.189) 6.4 (.250) (.125) 5 (.197) 4.3 (.17) 9.2 (.36) (.250) 7.9 (.312) 4.8 (.189) 6.1 (.26) 5.9 (.23) 1 (.43) (.058) (.125) (.015) 1.8 (.07) 2.7 (.11) 4.3 (.17) 7.6 (.30) 9.2 (.36) (.23) 1 (.43) (.125) 4.8 (.189) (.062) 3.4 (.135) (.062) 4.8 (.189) (.23) 1 (.43) (.189) 6.4 (.250) (.125) 5 (.197) 5.9 (.23) 1 (.43) (.083) 2.9 (.113) 2.2 (.063) 2.9 (.114) (.09) 3.7 (.144) (.063) 2.4 (.094) 3.7 (.146) 4.5 (.176) 0.5 (.020) 1 (.039) 2 (.079) 1.1 (.044) 1 (.039) (.063) 2.6 (.103) 1.7 (.067) 2.4 (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.16) 8.8 (.35) (.22) 1 (.41) (.22) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.2 (.28) (.16) 8.8 (.35) (.22) 1 (.41) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Change 3 to 7: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply

15 Captive Screws d knob series 8-32 thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T25 TORX T25 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer ACTUA SIZE Height and Screw Projection (Flare-in style shown) Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened See pages , 543 Notes To ensure you receive SOUTHCO quality parts, look for the segmented circle A Min. A Max. P-2 H-2 s Snap-In To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 7.9 (.310) Ø 6.7 (.262) Ø 7.3 (.287) Washer (supplied) Ø 10.2 (.400) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

16 455 Snap-In Height Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Flange Total B ength Float H-2 A Min. A Max. P (.64) 15.6 (.61) 16 (.63) 15.7 (.62) 11.2 (.44) 10.5 (.41) 11.2 (.44) 11.2 (.44) 0.9 (.036) (.058) (.125) (.015) 0.9 (.058) (.125) (.015) 1.8 (.07) Slotted Phillips TORX TORX / Slot Phillips / Slot 0.5 (.02) 5.6 (.22) (.08) 7.1 (.28) (.15) 8.9 (.35) (.21) 1 (.41) (.070) 1 (.04) 6 (.24) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.8 (.11) 7.6 (.3) (.189) 6.4 (.250) (.125) 5 (.197) 4.3 (.17) 9.2 (.36) (.251) 7.9 (.312) 4.8 (.189) 6.6 (.260) 5.8 (.23) 1 (.43) (.126) 4.8 (.189) (.062) 3.4 (.135) 2.8 (.11) 7.6 (.3) (.17) 9.2 (.36) (.23) 1 (.43) (.17) 9.2 (.36) (.23) 1 (.43) (.189) 6.4 (.250) (.125) 5 (.197) 5.8 (.23) 1 (.43) (.09) (.127) 2.3 (.063) 3.1 (.121) (.09) 4 (.158) (.063) 2.4 (.094) 3.9 (.153) 0.5 (.020) 1 (.039) 2 (.079) 1 (.039) (.063) 2.6 (.103) (.190) 1.1 (.044) 1.7 (.068) (.063) 2.5 (.098) 3.5 (.138) 2.6 (.103) 2.3 (.09) 7.1 (.28) (.15) 8.9 (.35) (.22) 1 (.41) (.09) 7.1 (.28) (.15) 8.9 (.35) (.22) 1 (.41) (.15) 8.9 (.35) (.22) 1 (.41) (.04) 3 (.22) (.11) 7.1 (.28) (.17) 8.9 (.35) (.23) 1 (.41) (.11) 7.1 (.28) (.17) 8.9 (.35) (.23) 1 (.41) (.11) 7.1 (.28) (.17) 8.9 (.35) (.23) 1 (.41) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

17 Captive Screws d knob series thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T25 TORX T25 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in, floating and snap-in: Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer ACTUA SIZE Height and Screw Projection (Flare-in style shown) Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened See pages , 543 Notes A Min. H-2 To ensure you receive SOUTHCO quality parts, look for the segmented circle A Max. P-2 s Snap-In To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 7.9 (.310) Ø 6.7 (.262) Ø 7.3 (.287) Washer (supplied) TORX is a registered trademark of ACUMENT Intellectual Properties, C Ø 10.2 (.400) (.025)

18 457 Snap-In Screw Projection Outer Panel Beyond Outer Height Dimensions Total B Flange Surface of Panel Float ength H-2 A Min. A Max. P (.64) 15.6 (.61) 16 (.63) 15.7 (.62) 11.2 (.44) 10.5 (.41) 11.2 (.44) 11.2 (.44) 0.9 (.036) (.058) (.125) (.015) (.02) (.058) (.125) (.015) (.02) 1.8 (.070) Slotted Phillips TORX TORX / Slot Phillips / Slot (.02) 5.5 (.22) (.09) 7.2 (.28) (.15) 8.9 (.35) (.21) 10.3 (.41) (.070) 1.2 (.05) 6.3 (.25) (.125) 4.7 (.187) (.062) 3.4 (.135) 2.8 (.11) 7.9 (.31) (.189) 6.4 (.250) (.125) 5 (.197) 4.4 (.17) 9.5 (.37) (.251) 7.9 (.312) 4.8 (.187) 6.6 (.260) 6 (.24) 11.1 (.44) (.125) 4.8 (.187) (.062) 3.4 (.135) 2.8 (.11) 7.9 (.31) (.17) 9.5 (.37) (.24) 11.1 (.44) (.17) 9.5 (.37) (.24) 11.1 (.44) (.189) 6.4 (.250) (.125) 5 (.197) 6 (.24) 11.1 (.44) (.090) (.127) 2.3 (.063) 3.1 (.122) (.09) 4 (.158) (.063) 2.4 (.094) 3.9 (.153) 4.8 (.190) 0.5 (.020) 1 (.039) 2 (.079) 1.1 (.044).9 1 (.039) (.063) 2.6 (.103) (.04) 1.7 (.068) (.063) 2.5 (.098) 3.5 (.138) 2.6 (.103) 2.3 (.09) 7.1 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.09) 7.1 (.28) (.16) 8.8 (.35) (.22) 1 (.41) (.16) 8.8 (.35) (.22) 1 (.41) (.04) 5.6 (.22) (.11) 7.1 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.1 (.28) (.17) 8.8 (.35) (.23) 1 (.41) (.11) 7.1 (.28) (.17) 8.8 (.35) (.23) 1 (.41) To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

19 Captive Screws d knob series 1/4-20 thread size Designed for hand operation Spring ejected Wide variety of sizes, recesses and installation options s Slotted No. 2 Phillips T30 TORX T30 TORX / No. 2 Phillips / Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in and : Aluminum, natural : Aluminum, natural or black powder coated Screw: Hardened carbon steel, zinc plated, chromate, plus sealer ACTUA SIZE Height and Screw Projection (Flare-in style shown) Unfastened 1 (.04) Screw projection for TORX and TORX / slot Unfastened Fastened See pages , 543 Notes A Min. H-2 To ensure you receive SOUTHCO quality parts, look for the segmented circle A Max. P-2 s Ø 14.7 (.58) Ø 14.7 (.58) Ø 14.7 (.58) To request a quote, please releases@dbroberts.com, or call us at Thread Size Ø 9.4 (.372) Ø 8.1 (.319) Washer (supplied) Ø 11.9 (.470) Ø 8.9 (.349) (.025) TORX is a registered trademark of ACUMENT Intellectual Properties, C

20 459 Height Outer Panel Dimensions Screw Projection Beyond Outer Surface of Panel Flange Total B ength Float H-2 A Min. A Max. P-2 20 (.79) 19.3 (.76) 20 (.79) 13.4 (.53) 12.7 (.50) 13.3 (.52) 0.9 (.036) (.058) (.126) 4.8 (.188) 6.4 (.251) (.058) (.126) 4.8 (.189) (.063) (.125) 4.8 (.189) 6.4 (.250) 7.9 (.312) (.125) 4.8 (.189) 6.4 (.250) (.063) 2.4 (.094) (.015) (.062) (.125) 4.8 (.189) (.015) (.062) (.125) 2.3 (.090) 3.1 (.122) 3.9 (.153) (.09) 1.8 (.070) 3.4 (.135) 5 (.197) 6.6 (.260) 1.8 (.070) 3.4 (.135) 5 (.197) (.127) 4 (.158) 4.8 (.190) Slotted Phillips TORX TORX / Slot Phillips / Slot 0.5 (.02) 7.1 (.28) (.08) 8.7 (.34) (.15) 10.3 (.41) (.21) 11.9(.47) (.05) 7.8 (.31) (.11) 9.4 (.37) (.17) 11 (.43) (.24) 12.6 (.50) (.11) 9.4 (.37) (.17) 11 (.43) (.24) 12.6 (.50) (.17) 11 (.43) (.24) 12.6 (.50) (.24) 12.6 (.50) (.08) 8.8 (.35) (.15) 1 (.41) (.21) 12 (.47) (.08) 8.8 (.35) (.15) 1 (.41) (.21) 12 (.47) (.15) 1 (.41) (.21) 12 (.47) Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black powder coated finish, change the part number from the table as shown: Change 1 to 5: Change 2 to 6: For a smooth knob, change the part number from the table as shown: Change 0 to 1: Change 4 to 5: All screw part numbers shown in table are for a natural knob finish and a knurled knob For black finish and smooth knob options, minimums may apply TORX is a registered trademark of ACUMENT Intellectual Properties, C

21 460 4C Captive Screws Prism series M3, M4 and M5 thread size Designate access points with color Color match captive screws to your industrial design High strength screw for use with high torque drivers Knurled and smooth knobs available s M3 No. 2 Phillips Ø 9.7 (.382) T10 TORX / Slot combination ACTUA SIZE M4 and M5 No. No. 2 Phillips Phillips / / Slot combination (.511) T25 TORX / Slot combination ACTUA SIZE Material and Finish : PC/ABS Screw: Hardened carbon steel, zinc plate, chromate, plus sealer Spring: 300 series stainless steel, passivated Standoff: Press-in: Carbon steel, zinc plate, chromate, plus sealer PCB: Stainless steel Flare-in and : Aluminum, natural Performance Details Flammability Rating: U94-V0 s M3 Screw Wing Option M4 and M5 Standoff Ø 6.3 (.250) Ø 5.5 (.217) 20 (.787) 1 (.04) Ø 6.2 (.245) Ø 4.6 (.181) P.C. Board (.06) Ø 6.3 (.248) Ø 6.1 (.240) See pages , 543 Notes Press-in: Maximum panel hardness 170 HV (85 HRB) See page 480 for details on ATCA compliant captive screws. To ensure you receive SOUTHCO quality parts, look for the segmented circle. Ø 8.7 (.344) Ø 7.9 (.311) Height and Screw Projection (Press-in style shown) 1.8 (.070) Ø 8.7 (.344) Ø 6.7 (.262) Washer (supplied) Ø 10.2 (.400) Ø 7.3 (.287) (.025) To request a quote, please releases@dbroberts.com, or call us at F* Wing Option H-2 P-2 TORX is a registered trademark of ACUMENT Intellectual Properties, C

22 461 M3 Thread Size P.C. Board M4 Thread Size M5 Thread Size (shown in table) 000 Black 014 Green Outer Panel Dimensions A Min. 0.9 (.036) (.063) Outer Panel Dimensions A Min. 0.9 (.036) (.060) (.063) A Max. 008 Blue Your Color Contact Southco B (.058) (.063) 2.4 (.094) Outer Panel Dimensions A Min. 0.9 (.036) (.06) A Max. A Max. (.016) 3.1 (.122) 3.9 (.153) B 4 (.158) 4.8 (.190) (.058) (.063) B (.016) 3.1 (.122) 013 Red Phillips Phillips / Slot TORX /Slot Screw Projection Beyond Outer Surface Of Panel 4C-PS-M4-1P0-K000 4C-TS-M4-1P0-K (.02) 5.6 (.22) C-PS-M4-2P0-K000 4C-TS-M4-2P0-K000 2 (.08) 7.1 (.28) (.64) 4C-PS-M4-1F1-K000 4C-TS-M4-1F1-K000 (.02) 5.6 (.22) C-PS-M4-2F1-K000 4C-TS-M4-2F1-K (.08) 7.1 (.28) (.64) 4C-PS-M4-3T2-K000 4C-TS-M4-3T2-K (.15) 8.8 (.35) 4C-PS-M4-4T2-K000 4C-TS-M4-4T2-K (.21) 1 (.41) 4C-PS-M4-3T3-K000 4C-TS-M4-3T3-K (.15) 8.8 (.35) 4C-PS-M4-4T3-K000 4C-TS-M4-4T3-K (.21) 1 (.41) Phillips / Slot TORX / Slot TORX / Slot Screw Projection Beyond Outer Surface of Panel 4C-PH-M3-1P0-K000 4C-TS-M3-1P0-K (.15) 1 4C-PH-M3-2P0-K000 4C-TS-M3-2P0-K (.10) 5.4 (.21) 4C-PH-M3-1B0-K000 4C-TS-M3-1B0-K000 (.06) 3.8 (.15) 10.9 (.43) 4C-PH-M3-1F1-K000 4C-TS-M3-1F1-K (.15) 1 (.058) (.016) 4C-PH-M3-2F1-K000 4C-TS-M3-2F1-K000 (.06) 5.4 (.21) Specify Wing : (M3, Press-in, Flare-in only) To indicate Wing option, change K to W of the part number Example: 4C-PH-M3-1P0-K000, Round 4C-PH-M3-1P0-W000, Wing Notes: *F indicates the maximum float in the unfastened position. For panels thinner than 0.9 (.036), contact Southco. TORX is a registered trademark of ACUMENT Intellectual Properties, C Height Total Float Panel Preparation P-2 H-2 F* Ø D Ø Z Screw Projection Beyond Outer Surface of Panel Height 4C-PS-M5-1P0-K000 4C-TS-M5-1P0-K000 4C-PS-M5-2P0-K000 4C-TS-M5-2P0-K000 (.2) 2 (.08) 5.6 (.22) 7.2 (.28) 16.4 (.65) 4C-PS-M5-1F1-K000 4C-TS-M5-1F1-K (.02) 5.6 (.22) C-PS-M5-2F1-K000 4C-TS-M5-2F1-K (.08) 7.2 (.28) (.65) 4 4C-PS-M5-3T2-K000 4C-TS-M5-3T2-K (.15) 8.9 (.35) 16.3 (.158) 4C-PS-M5-4T2-K000 4C-TS-M5-4T2-K (.21) 10.5 (.41) (.64) 16.2 (.64) Height (.44) 0.7 (.02) 2.3 (.09) Total Float (.315 ) (.266 ) ( ) Panel Preparation (.173 ) 4.2 ( ) P-2 H-2 F* Ø D Ø Z (.44) Total Float (.09) (.315 ) (.266 ) (.346 ) Panel Preparation P-2 H-2 F* Ø D Ø Z 8.6 (.34) 8.5 (.33) 8.6 (.34) (.219 ) ( ) ( ) (.125 ) ( ) ( ) To indicate color, change the last three digits of the part number. For knob style, K = knurled and N = smooth. For smooth knob change K to N. Example: 4C-PS-06-1P0-K000, black, knurled 4C-PS-06-1P0-N013, red, smooth (.205 ) (.191 )

23 462 4C Captive Screws Prism series 4-40, 6-32 and thread size Designate access points with color Color match captive screws to your industrial design High strength screw for use with high torque drivers Knurled, smooth and wing knobs available Material and Finish : PC/ABS Screw: Hardened carbon steel, zinc plate, chromate, plus sealer Spring: 300 series stainless steel, passivated Standoff: Press-in: Carbon steel, zinc plate, chromate, plus sealer PCB: Stainless steel Flare-in and : Aluminum, natural Performance Details Flammability Rating: U94-V0 See pages , 543 Notes Press-in: Maximum panel hardness 170 HV (85 HRB) To ensure you receive SOUTHCO quality parts, look for the segmented circle. TORX is a registered trademark of ACUMENT Intellectual Properties, C To request a quote, please releases@dbroberts.com, or call us at s 4-40 Ø 9.7 (.382) 20 (.787) 6-32 Ø 1 (.453) ACTUA SIZE T15 TORX / Slot combination 22 (.866) s 4-40 P.C. Board No. 2 Phillips Wing Option Screw T10 TORX / ACTUA Slot combination SIZE Ø 7.1 (.281) Ø 6.3 (.247) Ø 8.7 (.344) Ø 7.9 (.311) Height and Screw Projection (Press-in style shown) F* Standoff Ø 6.3 (.250) Ø 5.5 (.217) No. 2 Phillips / Slot combination Wing Option 1 (.04) Ø 6.2 (.245) Ø 4.6 (.181) 1.8 (.070) Ø 7 (.276) Ø 5.3 (.209) 1.8 (.070) Ø 8.7 (.344) Ø 6.7 (.262) Wing Option Washer (supplied) Ø 10.2 (.400) H-2 No. 2 Phillips / Slot combination P.C. Board (.511) ACTUA SIZE (.06) Ø 6.3 (.248) Ø 6.1 (.240) (.06) Ø 7.1 (.281) Ø 6.9 (.27) Ø 7.3 (.287) (.025) T25 TORX / Slot combination P-2

24 Thread Size P.C. Board 6-32 Thread Size P.C. Board Thread Size (shown in table) 000 Black 014 Green Outer Panel Dimensions A Min. 0.9 (.036) (.063) Outer Panel Dimensions A Min. 0.9 (.036) (.06) (.059) Outer Panel Dimensions A Min. 0.9 (.036) (.058) (.063) A Max. A Max. A Max. B (.125) (.063) 2.4 (.094) (.016) 3.1 (.122) 3.9 (.153) B 1.8 (.070) 4 (.158) 4.8 (.190) Phillips / Slot Phillips / Slot TORX / Slot TORX / Slot Screw Projection Beyond Outer Surface of Panel 4C-PS-06-1P0-K000 4C-TS-06-1P0-K (.20) C-PS-06-2P0-K000 4C-TS-06-2P0-K (.09) 6.6 (.26) (.61) C-PS-06-1B0-K000 4C-TS-06-1B0-K (.07) 6.2 (.25) (.57) (.125) B (.059) 008 Blue (.016) Your Color Contact Southco (.016) Phillips TORX / Slot Screw Projection Beyond Outer Surface of Panel 4C-PH-04-1P0-K000 4C-TS-04-1P0-K000 4C-PH-04-2P0-K000 4C-TS-04-2P0-K (.10) 3.8 (.15) 5.3 (.21) 1 4C-PH-04-1B0-K000 4C-TS-04-1B0-K000 (.06) 3.8 (.15) C-PH-04-2B0-K000 4C-TS-04-2B0-K (.13) 5.5 (.22) (.43) 4C-PH-04-1F1-K000 4C-TS-04-1F1-K (.15) 1 4C-PH-04-2F1-K000 4C-TS-04-2F1-K (.10) 5.4 (.21) 4C-PS-06-1F1-K000 4C-TS-06-1F1-K000 5 (.20) C-PS-06-2F1-K000 4C-TS-06-2F1-K (.09) 6.6 (.26) (.61) 013 Red Screw Projection Beyond Outer Surface of Panel Height Notes: *F indicates the maximum float in the unfastened position. For panels thinner than 0.9 (.036), contact Southco. TORX is a registered trademark of ACUMENT Intellectual Properties, C Total Float Panel Preparation P-2 H-2 F* Ø D Ø Z 4C-PS-10-1P0-K000 4C-TS-10-1P0-K (.02) 5.6 (.22) C-PS-10-2P0-K000 4C-TS-10-2P0-K000 2 (.08) 7.1 (.28) 4C-PS-10-1F1-K000 4C-TS-10-1F1-K000 (.02) 5.6 (.22) C-PS-10-2F1-K000 4C-PS-10-3T2-K000 4C-TS-10-2F1-K000 4C-TS-10-3T2-K (.08) 3.8 (.15) 7.1 (.28) 8.8 (.35) 16.3 (.64) 4C-PS-10-4T2-K000 4C-TS-10-4T2-K (.21) 1 (.41) C-PS-10-3T3-K000 4C-TS-10-3T3-K (.15) 8.8 (.35) (.44) 4C-PS-10-4T3-K000 4C-TS-10-4T3-K (.21) 1 (.41) Height Height Total Float (.02) (.02) 2.3 (.09) ( ) ( ) ( ) Panel Preparation P-2 H-2 F* Ø D Ø Z 11.3 (.44) 10 (.39) 11.3 (.44) Total Float (.250 ) ± 0.1 (.252 ±.004) (.213 ) Panel Preparation P-2 H-2 F* Ø D Ø Z 8.6 (.34) 8.5 (.33) 8.6 (.34) Specify Wing : (4-40 and 6-32, Press-in and Flare-in only) To indicate Wing option, change K to W of the part number Example: 4C-PS-06-1P0-K000, Round 4C-PS-06-1P0-W000, Wing ( ) (.220 ) (.187 ) (.125 ) (.220 ) (.125 ) (.146 ) (.146 ) (.146 ) ( ) ( ) To indicate color, change the last three digits of the part number. For knob style, K = knurled and N = smooth. For smooth knob change K to N. Example: 4C-PS-06-1P0-K000, black, knurled 4C-PS-06-1P0-N013, red, smooth

25 Captive Screws Restricted access series M4 and M5 thread size Reduces risk of unauthorized access Meets U-1950, IEC 950 and EN Hand operation to secure with tool-only removal Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in and : Aluminum, natural : Aluminum, natural or black organic coating Screw: Hardened carbon steel, zinc plate, chromate, plus sealer See pages , 543 s Slotted No. 2 Phillips T25 TORX ACTUA SIZE Height and Screw Projection (Press-in style shown) Unfastened Unfastened Fastened H-2 A Min. A Max. P-2 s Ø 15 (.59) Ø 15 (.59) Flare-in Ø 15 (.59) To request a quote, please releases@dbroberts.com, or call us at Thread Size Ø 7.9 (.31) Ø 6.7 (.26) Washer (supplied) Ø 6.7 (.26) Ø 10 (.40) Ø 7.3 (.29) TORX is a registered trademark of ACUMENT Intellectual Properties, C

26 465 M4 Thread Size Outer Panel Flange Screw Projection Beyond Height Dimensions Dimension B* ength Outer Surface of Panel H-2 A Min. A Max. P-2 Slotted Phillips TORX (.22) (.73) 18 (.70) 18 (.70) 14 (.55) (.55) 0.9 (.036) 2.3 (.09) 7.2 (.28) (.15) 8.7 (.34) (.21) 10.3 (.41) (.058) (.125) (.023) 1.8 (.07) 1.4 (.06) 6.2 (.24) (.125) 4.8 (.188) (.062) 3.4 (.14) 3.1 (.12) 7.9 (.31) (.12) 7.9 (.31) (.058) (.125) (.023) 1.8 (.07) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.09) 7.2 (.28) (.001) 2.3 (.09) (.13) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.09) 7.2 (.22) (.063) 3.1 (.12) 4 (.16) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) M5 Thread Size 18.5 (.73) 18 (.70) 18 (.70) 14 (.55) (.55) (.22) (.036) 2.3 (.09) 7.2 (.28) (.15) 8.7 (.34) (.21) 10.3 (.41) (.058) (.125) (.023) 1.8 (.07) 1.4 (.06) 6.2 (.24) (.125) 4.8 (.188) (.062) 3.4 (.14) 3.1 (.12) 7.9 (.31) (.12) 7.9 (.31) (.058) (.125) (.023) 1.8 (.07) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.125) 4.8 (.188) (.062) 3.4 (.14) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.09) 7.2 (.28) (.001) 2.3 (.09) (.13) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.09) 7.2 (.28) (.063) 3.1 (.12) 4 (.16) 3.4 (.13) 8.2 (.32) (.21) 1 (.40) (.063) 2.4 (.094) 3.9 (.15) 4.8 (.19) 3.4 (.15) 8.2 (.35) (.21) 10.2 (.40) Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black finish, change the part number from the table as shown: Change 2 to 6: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural finish For black finish minimums may apply

27 Captive Screws Restricted access series 6-32 and thread size Reduces risk of unauthorized access Meets U-1950, IEC 950 and EN Hand operation to secure with tool-only removal Material and Finish : Press-in: Hardened carbon steel, zinc plate, chromate, plus sealer Flare-in and : Aluminum, natural : Aluminum, natural or black organic coating Screw: Hardened carbon steel, zinc plate, chromate, plus sealer s Slotted No. 2 Phillips T15 TORX T25 TORX ACTUA SIZE Height and Screw Projection (Press-in style shown) Unfastened Unfastened Fastened H-2 See pages , 543 A Min. A Max. P-2 s Ø 15 (.59) Ø 15 (.59) Ø 15 (.59) To request a quote, please releases@dbroberts.com, or call us at Thread size Ø 7.9 (.31) Ø 6.7 (.26) Washer (supplied) Ø 7.3 (.29) Ø 6.7 (.26) Ø 10 (.40) TORX is a registered trademark of ACUMENT Intellectual Properties, C

28 Thread Size Outer Panel Flange Screw Projection Beyond Height Dimensions Dimension B* ength Outer Surface Of Panel H-2 A Min. A Max. P-2 Slotted Phillips TORX 0.5 (.02) 5.3 (.21) (.73) 18 (.70) 18 (.70) Thread Size 18.5 (.73) 18 (.70) 18 (.70) 14 (.54) (.54) 14 (.54) (.54) 0.9 (.036) 2.3 (.09) 6.9 (.27) (.15) 8.3 (.33) (.21) 10.1 (.41) (.058) (.125) (.023) 1.8 (.07) 1.4 (.06) 6.2 (.24) (.125) 4.8 (.189) (.062) 3.4 (.14) 3.1 (.12) 7.9 (.31) (.12) 7.9 (.31) (.058) (.125) (.023) 1.8 (.07) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.125) 4.8 (.189) (.062) 3.4 (.14) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.09) 7.2 (.28) (.001) 2.3 (.09) (.13) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.09) 7.2 (.22) (.063) 3.1 (.12) 4 (.16) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.063) 2.4 (.094) 3.9 (.15) 4.8 (.19) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.22) (.036) 2.3 (.09) 7.2 (.28) (.15) 8.7 (.34) (.21) 10.3 (.41) (.058) (.125) (.023) 1.8 (.07) 1.4 (.06) 6.2 (.24) (.125) 4.8 (.189) (.062) 3.4 (.14) 3.1 (.12) 7.9 (.31) (.12) 7.9 (.31) (.058) (.125) (.023) 1.8 (.07) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.125) 4.8 (.189) (.062) (.14) 4.1 (.16) 8.9 (.35) (.24) 10.9 (.43) (.09) 7.2 (.28) (.001) 2.3 (.09) (.13) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.09) 7.2 (.28) (.063) 3.1 (.12) 4 (.16) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) (.063) 2.4 (.094) 3.9 (.15) 4.8 (.19) 3.4 (.13) 8.2 (.32) (.21) 10.2 (.40) Part numbers in shaded rows (shown in table) are fully retracting in minimum panel thickness To add a black finish, change the part number from the table as shown: Change 2 to 6: TORX is a registered trademark of ACUMENT Intellectual Properties, C All screw part numbers shown in table are for a natural finish For black finish minimums may apply

29 468 47/4C Captive Screws Panel preparation and installation 1. Prepare panel as shown. Top edge of hole should be sharp 2. Press captive screw into panel until ferrule is installed as shown closer to the panel edge requires a fixture to constrain the panel edges Notes Recommended minimum distance from edge of panel to centerline of hole is x Ø D See page 543 for additional installation guidelines A Min. Clearance hole Ø Z Ø D Flat surface Edge of hole must be sharp. Do not chamfer Back-up Tool (not supplied) Thread Size M3 or 4-40 M3.5 or 6-32 M4 or 8-32 M5 or M6 or 1/4-20 Ø D (.219 ) (.250 ) 8 +0 (.315 ) 8 +0 (.315 ) (.375 ) Clearance Hole Ø Z ( ) (.125) 3.7 (.146) 4.4 (.173) 5.2 (.205) 6.2 (.260) Notes: For use in material hardnesses RB85 or less, such as low carbon steels that are half hard or softer, stainless steels in the annealed condition and aluminum Performance Details Pullout force: 360 N (80 lbf) Side load against unfastened knob: 200 N (45 lbf) 1. Prepare panel as shown. 2. Use pilot lead-in to guide assembly into hole and press knurl into panel until ferrule shoulder contacts surface P.C. Board Ø D A. Min.* Flat surface Do not chamfer edge Thread Size M3 or 4-40 M3.5 or 6-32 Ø D (.219 ) ±1 (.252±.004) Clearance Hole Ø Z ( ) (.125) 3.7 (.146) Notes Strength data based on drilled holes in G-10 P.C. Board Clearance hole Ø Z Back-up Tool (not supplied) 1. Prepare panel as shown. 2. Install tool in suitable press. Only IGHT pressure will be required 3. Insert screw assembly into prepared hole in panel 4. Place work under press, center tool over screw thread and flare ferrule into counter-sink in panel. Use IGHT pressure Force: 1600 N (350 lbf) to 2500 N (550 lbf) force depends on thread size Ø D A Min. to A Max (.47) Tool Door Screw assembly 90 ±2 B±0.1 (.005) 102 (4.0) Smooth back-up surface Thread Size Ø D Tool M3 or 4-40 M3.5 or 6-32 M4 or M5 M6 or 1/ (.187 ) (.213 ) (.266 ) (.266 ) (.266 ) (.323 )

30 469 Panel preparation 1 Gap Panel preparation 2 B Min Thread Size Tool Part Number M3 or M3.5 or M4 or M M6 or 1/ B A Min. to A Max. Thread Size Ø D ( ) B Min Counterbore Min. Ø C M3 or (.250) 9.4 (.375) M3.5 or (.283) 10.5 (.413) M4 or (.346) 12 (.469) M5 or (.346) 12 (.469) M6 or 1/ (.413) 13.5 (.531) Ø D Ø D Ø C Tool Washer Door Screw subassembly A Min. to A Max. A Min. to A Max. 102 (4.00) 12.7 (.50) Smooth back-up surface and Snap-in style: Panel preparation 1: Requires space between inner and outer panels. Specify the fastener for panel thickness A to fall between the range A Minimum to A Maximum: gap = B - A outer panel thickness Panel preparation 2: Counter bore the panel (B = Minimum panel thickness) to a thickness (A) between the range of A Minimum and A Maximum Minimum bore depth = panel thickness - A Maximum For gap = Ø, panel thickness must be to B value (before counterbore) for the given part number Notes B and A Maximum values are provided in the corresponding fastener selection tables for each part number Snap-In If holes are drilled, top edge of hole should be chamfered Panel preparation 1 Gap B Ø D A Min. to A Max. Panel preparation 2 B Min A Min. to A Max. Ø D A Min. to A Max. Thread Size Ø D (±.002) Counterbore Min. Ø C M3.5 or (.250) 7.5 (.295) M4 or (.250) 7.5 (.295) M5 or (.250) 7.5 (.295) B Min. Sharp edge (die side) Ø C Dull edge (punch side) To request a quote, please releases@dbroberts.com, or call us at

31 SM Captive Screws F* Total Float of Screw in d knob series Surface Mount Technology (SMT) H-2 P-2 For installation to PC Board material utilizing surface mount technology Smooth knob meets U-1950 Designed for hand operation Spring ejected Variety of sizes, recesses Material and Finish : Steel, Tin plated : Aluminum, natural Screw: Hardened carbon steel, zinc plated, chromate, plus sealer Internal spring: 300 series stainless steel passivated Plug: Silicone rubber Visit for additional installation guidelines To ensure you receive SOUTHCO quality parts, look for the segmented circle. s TORX / Slot T10 TORX / (M3,4-40) T15 TORX / Slot (6-32) Height and Screw Projection Unfastened Fastened F* Total Float of Screw in Screw 47 Captive Screws d knob series - SMT Screw Phillips / Slot Ø B H-2 P-2 * Value represents float in unfastened position Notes:, P-2 Screw Projection measured from the top side of panel Specify Package Indicate package option with last digit of the part number Example 47-SM-1311-K-R: Reel Package (as shown in table) 47-SM-1311-K-T: Tray Package Ø B Packed with Plug No. 1 Phillips / Slot (M3,4-40) F* Total Float of No. 2 Phillips / Slot (6-32) Screw in PC Board Preparation ACTUA SIZE Ø J Polyimide tape patch H-2 P-2 on top surface of screw Soldering Pad surface area for vacuum pick up Ø N Screw Polyimide tape patch on top surface of screw for vacuum pick up Packed with Plug (.063) Min. Ø D Ø K Ø E Soldering Pad PC Board Ø J Screw as Shipped in Reel Pack or Tray Pack Ø E Thread Size M3 x (Reel package shown) Panel Preparation Knurled Head Smooth Head H-2 P-2 ØB ØJ ØE F* Ø K Ø N Phillips / Slotted TORX / Slotted Phillips / Slotted TORX / Slotted Ø D 47-SM-3311-K-R 47-SM-3411-K-R 47-SM-3311-N-R 47-SM-3411-N-R 1.4 (.05) 4.4 (.17) 47-SM-3321-K-R 47-SM-3421-K-R 47-SM-3321-N-R 47-SM-3421-N-R (.09) 5.2 (.20) /-0 47-SM-1311-K-R 47-SM-1411-K-R 47-SM-1311-N-R 47-SM-1411-N-R (.33) 1.4 (.05) 4.4 (.17) (.42) (.217) (.30) (.22) (.34) ( /-.000) 47-SM-1321-K-R 47-SM-1421-K-R 47-SM-1321-N-R 47-SM-1421-N-R 2.2 (.09) 5.2 (.20) 47-SM-2311-K-R 47-SM-2411-K-R 47-SM-2311-N-R 47-SM-2411-N-R (.22) /-0 47-SM-2321-K-R 47-SM-2421-K-R 47-SM-2321-N-R 47-SM-2421-N-R (.61) (.42) 2.3 (.09) 7.1 (.28) (.244) (.32) (.25) (.40) ( /-.000) Other options available. For complete details on variety, part numbers, installation and specification, go to TORX is a registered trademark of ACUMENT Intellectual Properties, C

32 H-2 4C-SM Captive Screws Prism series Surface Mount Technology (SMT) P s No. 2 Phillips (M3,4-40) No. 2 Phillips / Slot (6-32) Height and Screw Projection Unfastened Specify Package Indicate package option with last digit of the part number Example 4C-SM-1111-N000-R, Reel Package (as shown in table) 4C-SM-1111-N000-T, Tray Package Fastened F* Value represents float in unfastened position Notes:, P-2 Screw Projection measured from the top side of panel Thread Size M3 x Wing Option Ø B F* Total Float of Screw in W Wing Option Screw T10 TORX / (M3,4-40) T15 TORX / (6-32) 000 Black 008 Blue 013 Red 014 Green Your Color Contact Southco H-2 P-2 Standoff Specify Color To indicate Color, change the three digits of the part number indicated below Example 4C-SM-1111-K000-R, black 4C-SM-1111-K008-R, blue PC Board Preparation Soldering Pad surface area (.063) Ø D Minimum Ø N Ø K Soldering Pad PC Board Screw as Shipped in Reel Pack or Tray Pack Polyimide tape patch on top surface of screw for vacuum pick up Packed with Plug Specify Wing Option To indicate Wing, change the K or N to W of the part number Example 4C-SM-1111-K000-R, Round 4C-SM-1111-W008-R, Wing For installation to PC Board material utilizing surface mount technology Designate access points with color Color match captive screws to your industrial design High strength screw for use with high torque drivers Material and Finish Standoff: Steel, Tin plated : High heat resistant plastic Screw: Hardened carbon steel, zinc plated, chromate, plus sealer Internal spring: 300 series stainless steel passivated Plug: Silicone rubber Visit for additional installation guidelines To ensure you receive SOUTHCO quality parts, look for the segmented circle (Reel package shown) Knurled Head Smooth Head H-2 P-2 Ø B Ø J Ø E F* Ø K Ø N W Phillips TORX / Slotted Phillips TORX / Slotted 4C-SM-3111-K000-R 4C-SM-3411-K000-R 4C-SM-3111-N000-R 4C-SM-3411-N000-R (.06) 3.7 (.15) 4C-SM-3121-K000-R 4C-SM-3421-K000-R 4C-SM-3121-N000-R 4C-SM-3421-N000-R (.13) 5.5 (.22) C-SM-1111-K000-R 4C-SM-1411-K000-R 4C-SM-1411-N000-R 4C-SM-1411-N000-R (.43) (.34) (.06) 3.7 (.15) (.38) (.217) (.30) (.22) (.34) 4C-SM-1121-K000-R 4C-SM-1421-K000-R 4C-SM-1421-N000-R 4C-SM-1421-N000-R 3.3 (.13) 5.5 (.22) Phillips / Slotted TORX /Slotted Phillips / Slotted TORX /Slotted 4C-SM-2311-K000-R 4C-SM-2411-K000-R 4C-SM-2311-N000-R 4C-SM-2411-N000-R (.004) 4.6 (.18) C-SM-2321-K000-R 4C-SM-2421-K000-R 4C-SM-2321-N000-R 4C-SM-2421-N000-R (.64) (.46) 1.8 (0.7) 6.1 (.24) (.244) (.32) (.25) (.40) Ø J Ø E ACTUA SIZE 20 (.7878) 22 (.866) Panel Preparation Ø D /-0 ( /-.000) /-0 ( /-.000) TORX is a registered trademark of ACUMENT Intellectual Properties, C Other options available. For complete details on variety, part numbers, installation and specification, go to

33 478 47/4C Captive Screws ATCA captive screws M3 thread No. 2 Phillips recess Color match available Metal Version Ø 1 (.453) ATCA Material and Finish Screw, ferrule and internal spring stainless steel, knob aluminum or PC/ABS Performance Details Flammability rating: U94-V0 ATCA R3.0 compliant screw F* H-2 ACTUA SIZE Please refer to installation drawings on for reference on dimensions B*, Ø D* and Ø Z* F* indicates maximum float in the unfastened position Overmolded Version P-2.4 (.530).4 (.530) Specifying Color: To indicate color, change the last three digits of the part number. Example: PO-K000, black P0-K013, red Ø 6.6 (.260) 14.3 (0.56) Ø 6.6 (.260) Ø 8.9 (.350) Ø 8.9 (.350) Ø 5.86 (.231) Ø 4.99 (.196) To request a quote, please releases@dbroberts.com, or call us at Black 008 Blue 013 Red 014 Green Your color (contact Southco) Series ATCA compliant (Metal Version) ATCA compliant (Overmolded Version) Method Press-in Flare-in Press-in Flare-in Panel Thickness Panel Preparation H-2 P-2 F* A Min. A Max. B* No. 2 Phillips Ø D* Ø Z* 0.9 (.036) 0.9 (.036) P0 (.060) (.016) F P0-K000 (.060) (.016) F1-K (.56) 14.3 (.56) 14.3 (.56) 14.3 (.56) 10.1 (.40) 10.1 (.40) 10.1 (.40) 10.1 (.40) 1.0 (.39) 1.0 (.39) 1.0 (.39) 1.0 (.039) 5.0 (.20) 5.0 (.20) 5.0 (.20) 5.0 (.20) 1 (.039) 1 (.039) 1 (.039) 1 (.039) 5.95 ±0.04 (.234±.002) (.20-0 ) 5.95 ±0.04 (.234±.002) (.20-0 ) ( ) ( ) ( ) ( )

34 543 Guidelines for SOUTHCO Self-Clinching products Self-clinching product installation is offered on these SOUTHCO products, making them easy-to-use captive panel fasteners: Captive Screws Receptacles for Quarter-turn Fasteners Receptacles for Fast-lead Thread Screws When pressed into a properly prepared hole, self-clinching captive fasteners cold-flow (move) the panel material into the retaining groove of the fastener. This material then retains the fastener in the panel. Before installation Correct installation Panel Successful press-in installations depend on: Material: The hardness of the panel material must not exceed SOUTHCO recommendations. If the panel is too hard, the fastener will not install correctly. Holes: Mounting holes may be drilled, punched, or cast. be sharp but with no broken edges. Do not chamfer or debur edge. Area of material that moves into groove with a small clearance to minimize Panel the rollover and fracture angle. Mounting hole diameter at the panel surface on Mounting hole Punch side the side on which the fastener will Rollover of panel be installed. The diameter must be Material within SOUTHCO specifications for thickness that product. Die side of panel - If the hole is too large, not enough material will flow into the retaining groove and the fastener may not be retained adequately. - If the hole is too small, the fastener will not fit and installation may become difficult and unsafe. distance is x the diameter of the mounting hole, unless otherwise indicated. Spring-loaded Plungers Captive Nuts Threaded Inserts - Installing too close to the edge will cause the material to flow in the opposite direction, deforming the edge of the panel. To install closer to the edge, you may need to restrain the panel edge. Panel edge Mounting hole diameter x Ø Min. Panel Centerline of mounting hole Panel Thickness: The thickness of the panel at the mounting hole location must meet or exceed Southco s stated minimum recommendations. If the material is too thin, panel deformation and/or damage to the fastener may result. is fast and easy if you follow these tips: How to install: Use the recommended force where noted and a proper back-up tool. - use any parallel-acting press - use a punch whose diameter is larger than the head of the fastener Force: Proper installation requires an even distribution of adequate force. It does not depend on the distance the fastener is pressed into the panel. - Southco does not recommend using a hammer. The impact force does not provide an even distribution of force to allow the panel material to completely flow into the fastener s retaining groove. - force varies from application to application, depending on the criteria noted above. - On parts without a collar to provide a hard stop, press-in until the edge of the knurl is just barely visible. When to Install: is recommended after plating or finishing has been applied to the panel. The hole diameter must meet specifications before finish or plating is applied. - Do not over-install parts. This interupts the material and will reduce the retention strength. Over installation Panel This area of material has separated from the rest of the panel To request a quote, please releases@dbroberts.com, or call us at

35 Guidelines 473 Southco Surface Mounted Technology (SMT) Captive Screws include installation and packaging features for installation onto PC Boards during the Reflow Process as a surface mounted device (SMD). SMT product installation is offered on these Southco Captive Screws for 4-40, 6-32 and M3 thread sizes: 47 d Series 4C Prism Series 52 Miniature Series Features Each Southco SMT style captive screw includes a polymide patch covering the screw head tool recess allowing for vacuum pick up during placement on the PC Board. The screw threads are protected from excess solder during the reflow process by a plug pre-assembled to the screw by Southco. The patch and plug are then removed after the final cool down phase. Screw as Shipped in Reel or Tray Pack Polyimide tape patch on top surface of screw for vacuum pick up Packed with Plug Preparing the PC Board to accept SMT Captive Screws See literature for optimum soldering pad surface area for the specific Southco Captive Screw being utilized Soldering Pad PC Board Packaging Features/Options Tray Pack Reel Pack Tray Pack Reel Pack Reflow Process Reflow of Solder - Pre-heat - Soak - Reflow - Cooling Cleaning - Remove excess solder paste