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The ARP chromoly bolt is a 3/8-24 x 3.750-inch 12-point fastener featuring a 7/16 wrenching interface and black oxide finish for fabrication and assembly use. Chromoly construction and a 12-point head work with standard 12-point sockets while the 7/16 wrenching option supports familiar hand tools. Black oxide finish gives a uniform low-glare appearance on visible fasteners.
ARP 3/8-24 x 3.750 12pt 7/16 wrenching black oxide bolts
