Socket Head Shoulder Screws

Socket Head Shoulder Screws

Shoulder screws feature a socket head, a close tolerance body and a threaded portion smaller than the body. The area under the head may be undercut so that the head will seat on the work surface. The threads may be undercut so that a nut will go all the way to the end of the shoulder. Shoulder screws are often referred to as “Stripper Bolts”.

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Specifications & Technical Data

Dimensions

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 Engagement 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 0.2480 0.2460 0.375 0.357 0.188 0.177 0.020 1/8 0.094 0.276 0.009 0.227 0.093
5/16 0.3105 0.3085 0.438 0.419 0.219 0.209 0.026 5/32 0.117 0.345 0.012 0.289 0.093
3/8 0.3730 0.3710 0.562 0.543 0.250 0.240 0.031 3/16 0.141 0.413 0.015 0.352 0.093
1/2 0.4980 0.4960 0.750 0.729 0.312 0.302 0.040 1/4 0.188 0.550 0.020 0.477 0.093
5/8 0.6230 0.6210 0.875 0.853 0.375 0.365 0.050 5/16 0.234 0.687 0.024 0.602 0.093
3/4 0.7480 0.7460 1.000 0.977 0.500 0.490 0.069 3/8 0.281 0.826 0.030 0.727 0.093

 

Socket Head Shoulder Screws Specifications

  • Standard (ASME/ANSI)
    • ASME B18.3-1988
  • Metric (IFI)
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Industries We Serve

Nickel Systems provides high quality exotic grade materials that hold up in the toughest, most severe heat and corrosive environments. With our large inventory of specialty fasteners in stock, we are always ready to answer the call to serve the most challenging applications.

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