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Socket Shoulder Screws

 

Also known as stripper bolts, these screws are made of heated alloy steel, and have a precision ground shoulder. Stocked in diameters from 1/4" to 2" and lengths up to 6". Measure diameter and length of shoulder portion only.

Group codes represented: STRIP
Part# examples: 25100STRIP, 100600STRIP

Shoulder Dia. Thread Size Hex Socket
1/4 #10-24 1/8
5/16 1/4-20 5/32
3/8 5/16-18 3/16
1/2 3/8-16 1/4
5/8 1/2-13 5/16
3/4 5/8-11 3/8
1 3/4-10 1/2
1 1/4 7/8-9 5/8
1 1/2 1 1/8-7 7/8
1 3/4 1 1/4-7 1
2 1 1/2-6 1 1/4
Socket Shoulder Screws - values for detailed diagram
Nominal Size D A H C J T M R K F
Shoulder Diameter Head Diameter Head Height Chamfer or Radius Hex Socket Size Key Engage-ment Fillet Transition Diameter Head Fillet Radius Shoulder Neck diameter Shoulder Neck Width
Max Min Max Min Max Min Min Nom Min Max Min Min Max
1/4 .2480 .2460 .375 .357 .188 .177 .020 1/8 .094 .276 .009 .227 .093
5/16 .3105 .3085 .438 .419 .219 .209 .026 5/32 .117 .345 .012 .289 .093
3/8 .3730 .3710 .562 .543 .250 .240 .031 3/16 .141 .413 .015 .352 .093
1/2 .4980 .4960 .750 .729 .312 .302 .040 1/4 .188 .550 .020 .477 .093
5/8 .6230 .6210 .875 .853 .375 .365 .050 5/16 .234 .687 .024 .602 .093
3/4 .7480 .7460 1.000 .977 .500 .490 .069 3/8 .281 .826 .030 .727 .093
Socket Shoulder Screws - values (continued)
Nominal Size D1 Threads per Inch G I N E Thread Section Tensile Strength (Lbs) Single Shear Strength Seating Torque (Inch Lbs)
Nominal Thread Size Thread Neck Diameter Thread Neck Width Thread Neck Fillet Thread Length Shoulder Thread Neck
Max Min Max Min Basic Min Min Min
1/4 10 24 0.142 0.133 0.083 0.023 0.017 0.375 2540 4515 1250 50
5/16 1/4 20 0.193 0.182 0.1 0.028 0.022 0.438 4610 7100 2340 125
3/8 5/16 18 0.249 0.237 0.111 0.031 0.025 0.5 7600 10280 3970 265
1/2 3/8 16 0.304 0.291 0.125 0.035 0.029 0.625 11240 18350 5985 470
5/8 1/2 13 0.414 0.397 0.154 0.042 0.036 0.75 20570 28785 11140 1150
3/4 5/8 11 0.521 0.502 0.182 0.051 0.045 0.875 32770 41515 17800 2000
Tolerance on Thread Length Nominal Screw Sizes
Up to 3/8 in., Inclusive Over 3/8 in.
-0.02 -0.03
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