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ARP 1/2-20 x 4.750 chromoly hex bolt with black oxide finish is a long threaded fastener described for fabrication or mechanical assembly. It specifies 1/2-20 threads, a 4.750-inch length and a hex head for standard wrenching, with black oxide noted. Use in applications needing extended-length chromoly hex bolts and tighten according to proper torque specifications.
ARP 1/2-20 x 4.750 hex black oxide bolts
