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The ARP chromoly bolt specified as 7/16-14 x 4.500 includes a 12-point head, black oxide finish, and 1/2-inch wrenching. It pairs 7/16-14 threads with a 4.500-inch shank and a 12-point drive profile for reliable bolted connections. This chromoly fastener suits fabrication and assembly needs calling for a 12-point head and 1/2-inch wrenching.
ARP 7/16-14 X 4.500 12pt 1/2 wrenching black oxide bolts
