1/4-20 Socket Head Machine Cap Screws

Black-oxide alloy steel - Machined from high-strength alloy steel with a Rockwell hardness of C39-C45 and a minumum tensile strength of 180,000 psi. Length is measured from below the head.

Black-oxide Alloy Steel

1-4 20 machine cap screw schematic

Top of machine cap screw

1/4”

91251A533

$.20 ea

3/8”

91251A535

$.22 ea

1/2”

91251A537

$.24 ea

5/8”

91251A539

$.26 ea

3/4”

91251A540

$.28 ea

7/8”

91251A541

$.30 ea

1”

91251A542

$.32 ea

2”

91251A550

$.44 ea

1-3/4

91251A548

$.42 ea

1-1/2”

91251A546

$.40 ea

1-1/4”

91251A544

$.38 ea

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ServoCity- Mechanicals & Accessories- Fasteners & Hardware- Socket Head Machine Cap Screw- 1/4-20 Socket Head Machine Cap Screws-

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