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ARP chromoly 7/16-20 x 4.375-inch hex bolt with a 1/2-inch wrenching hex and black oxide finish. Intended for fabrication and assembly tasks that demand extended bolt length, this chromoly threaded fastener supplies standard 7/16-20 threading and extra shank reach for deeper engagement. The black oxide head keeps a low-gloss look and the 1/2" wrenching hex works with typical hand tools for reliable installation.
ARP 7/16-20 X 4.375 1/2 wrenching hex black oxide bolts
