1/4-20 FLAT HEAD SOCKET CAP SCREW1/4-20 FLAT HEAD SOCKET CAP SCREW 73038,100 PER BOX,1.00"LENGTH UNDER HEAD, USES 5/32 HEX KEY 1/4" Basic Thread Diameter, 20 Threads Per Inch, .531"-.480" Head Diameter, .161" Head Height, 1" Length Under Head, 5/32" Hex Socket Key Size. These flat head socket head cap screws are made of high grade alloy steel. The heads have a 82-degree included angle on them so they can be recessed in a part using a standard 82-degree countersink. 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 Flat Head Cap Screws Coarse Thread - KERRFHCS1/4-20X1 - 1/4-20 FLAT HEAD SOCKET CAP SCREW
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