1/4-20 SOCKET HEAD CAP SCREW1/4-20 SOCKET HEAD CAP SCREW 77045,100 PER BOX,.375"LENGTH UNDER HEAD, USES 3/16 HEX KEY 1/4" Basic Thread Diameter, 20 Threads Per Inch, 3/8" Length Under Head, .375"-.365" Head Diameter, .250"-.244" Head Height, 3/16" Hex Socket Key Size. These 1960 Series socket head cap screws are made of high grade alloy steel. Hardened by quenching in oil from the hardening termperature and tempered to a specified hardness range of 39 to 45 Rockwell "C" for sizes up to 1/2", 37 to 45 Rockwell "C" over 1/2". Tensile Strengths are; #0 to 1/2" are 180,000 PSI, 5/8" & larger are 170,000 PSI. Specials, stainless steel and metric sizes all available! p;S salesperson for details!
Fasteners & hardware Set Screws Fractional Coarse Thread - KERRSHCS1/4-20X3/8 - 1/4-20 SOCKET HEAD CAP SCREW
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