• Featuring a six-sided hexagon socket and constructed from highly durable alloy steel material, National Bolt & Nut's button head hex socket cap screws possess a larger surface bearing and a lower profile head than traditional socket cap screw heads. Button head hex socket cap screws are often employed in applications where the material is too thin to countersink.
  • Meeting ANSI B18.3 dimensional specifications, our coarse threaded button head hex socket cap screws are available in a variety of different lengths and thread sizes to accommodate our clients unique application requirements.
  • Other materials and finishes available. For further information, call or send an information request.
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Item #

Thread Size

Length

Thread Length

Finish

Thread Style

N/A 10-32 N/A 1 in N/A 20 1/2 in N/A Plain N/A Fine Thread
N/A 1/4-20 N/A 3/8 in N/A 3/4 in N/A Plain N/A Coarse Thread
N/A 1/4-20 N/A 1/2 in N/A 3/4 in N/A Plain N/A Coarse Thread
N/A 1/4-20 N/A 5/8 in N/A 3/4 in N/A Plain N/A Coarse Thread
N/A 1/4-20 N/A 3/4 in N/A 3/4 in N/A Plain N/A Coarse Thread
N/A 1/4-20 N/A 1 in N/A 3/4 in N/A Plain N/A Coarse Thread
N/A 1/4-28 N/A 3/8 in N/A 3/4 in N/A Plain N/A Fine Thread
N/A 1/4-28 N/A 1/2 in N/A 3/4 in N/A Plain N/A Fine Thread
N/A 1/4-28 N/A 5/8 in N/A 3/4 in N/A Plain N/A Fine Thread
N/A 1/4-28 N/A 3/4 in N/A 3/4 in N/A Plain N/A Fine Thread
N/A 5/16-18 N/A 1/2 in N/A 7/8 in N/A Plain N/A Coarse Thread
N/A 5/16-18 N/A 5/8 in N/A 7/8 in N/A Plain N/A Coarse Thread
N/A 5/16-18 N/A 3/4 in N/A 7/8 in N/A Plain N/A Coarse Thread
N/A 5/16-18 N/A 1 in N/A 7/8 in N/A Plain N/A Coarse Thread
N/A 5/16-24 N/A 1/2 in N/A 7/8 in N/A Plain N/A Fine Thread
N/A 5/16-24 N/A 5/8 in N/A 7/8 in N/A Plain N/A Fine Thread
N/A 5/16-24 N/A 3/4 in N/A 7/8 in N/A Plain N/A Fine Thread
N/A 5/16-24 N/A 1 in N/A 7/8 in N/A Plain N/A Fine Thread
N/A 3/8-16 N/A 1/2 in N/A 1 in N/A Plain N/A Coarse Thread
N/A 3/8-16 N/A 5/8 in N/A 1 in N/A Plain N/A Coarse Thread
N/A 3/8-16 N/A 3/4 in N/A 1 in N/A Plain N/A Coarse Thread
N/A 3/8-16 N/A 1 in N/A 1 in N/A Plain N/A Coarse Thread
N/A 3/8-16 N/A 1 1/4 in N/A 1 in N/A Plain N/A Coarse Thread
N/A 1/2-13 N/A 1 in N/A 1 1/4 in N/A Plain N/A Coarse Thread
N/A 1/2-13 N/A 1 1/4 in N/A 1 1/4 in N/A Plain N/A Coarse Thread
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