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The ARP chromoly bolt is a 7/16-20 x 2.250-inch 12-point black oxide fastener for mechanical and fabrication projects. Chromoly construction with a 12-point head works with standard 12-point sockets for a secure wrenching interface. The black oxide finish gives a subdued look and basic protection against surface corrosion in exposed fastening locations.
ARP 7/16-20 x 2.250 12pt black oxide bolts
