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The ARP chromoly bolt is a 3/8-24 x 3.000-inch 12-point fastener with a 7/16 wrenching interface and black oxide finish, intended for fabrication and assembly projects. Chromoly construction plus a 12-point head accepts standard 12-point sockets while the 7/16 wrenching option supports readily available hand tools. Black oxide provides a subdued, uniform surface look.
ARP 3/8-24 x 3.000 12pt 7/16 wrenching black oxide bolts
