5/16-18 BUTTON HEAD SOCKET CAP SCREW5/16-18 BUTTON HEAD SOCKET CAP SCREW 71042,100 PER BOX,1.00"LENGTH UNDER HEAD, USES 3/16 HEX KEY 5/16" Nominal Size, 18 Threads per Inch, 1" Length Under Head, .547"-.527" Max/Min Head Dia., .166"-.152" Max/Min Head Hgt., 3/16" 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 - KERRBHCS5/16-18X1 - 5/16-18 BUTTON HEAD SOCKET CAP SCREW
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