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The ARP chromoly bolt listed as 7/16-14 x 4.250 has a 12-point head, black oxide finish, and 1/2-inch wrenching. With 7/16-14 threading and a 4.250-inch length, it is designed for secure fastened assemblies using a 12-point drive. This chromoly bolt is specified for fabrication and mechanical tasks where a 12-point head and 1/2-inch wrenching flats are required.
ARP 7/16-14 X 4.250 12pt 1/2 wrenching black oxide bolts
