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The ARP chromoly 1/4-28 x 3.750-inch 12-point bolt offers a black oxide finish and is intended as a threaded fastener for fabrication and assembly. Its 12-point head fits 12-point sockets, and chromoly construction maintains thread accuracy and a protective surface. Use this longer 1/4-28 bolt when a black-oxide finish and consistent ARP sizing are important.
ARP 1/4-28 x 3.750 12pt black oxide bolts
