1/4-20 BUTTON HEAD SOCKET CAP SCREW1/4-20 BUTTON HEAD SOCKET CAP SCREW 71028,100 PER BOX,.625"LENGTH UNDER HEAD, USES 5/32 HEX KEY 1/4" Nominal Size, 20 Threads per Inch, 5/8" Length Under Head, .437"-.419" Max/Min Head Dia., .132"-.122" Max/Min Head Hgt., 5/32" Hex Socket Key Size. These button head socket cap screws are made to ASME B18.3 and ASTM F835 Standards, and are made of a high grade alloy. They have a Rockwell "C" hardness of 39 to 44 and tensile strength of 145,000 PSI for sizes 1/2" and under. For sizes over 1/2" the tensile strength is 135,000 PSI. Metric, stainless steel and special sizes are also available, T&S Salesperson for details!
Fasteners & Hardware Military Fasteners Military Socket Head Cap Screws - KERRBHCS1/4-20X5/8 - 1/4-20 BUTTON HEAD SOCKET CAP SCREW
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