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The ARP chromoly bolt is a 3/8-24 x 2.250-inch 12-point fastener with a 7/16 wrenching interface and black oxide finish, suitable for fabrication and mechanical fastening. Chromoly construction and a 12-point head accept common 12-point sockets, while the 7/16 wrenching option provides accessible tool engagement. The black oxide finish offers uniform appearance.
ARP 3/8-24 x 2.250 12pt 7/16 wrenching black oxide bolts
