Grade 8 (USA) Hex Cap Screws

Grade 8 Hex Cap Screws are very common fasteners found in manufacturing, repair and construction industries worldwide. They are used to fasten 2 or more parts together in an assembly that may require future repair or maintenance disassembly. Their six-sided hex head allows for a more substantial bearing and wrenching surface than what socket products or machine screws can provide, thereby making them the clear choice in many complex and heavy duty applications.

Specifications of Domestic Grade 8 Hex Cap Screws

Grade 8 Hex Cap Screws are manufactured from medium carbon alloy steel and are heat-treated, quenched and tempered. With a proof load of 120,000 PSI and minimum tensile strength of 150,000 PSI, they are generally employed in high strength applications. They are easily identified with the unique head marking of 6 radial lines and are most commonly available in plain finish, and yellow electro-zinc plate. USA Grade 8 Hex Cap Screws are manufactured in the United States and every aspect is wholly 100% domestic, from mining of the ore to final quenching and tempering of the screw.

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