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The ARP chromoly bolt is a 7/16-20 x 3.500-inch 12-point black oxide fastener for fabrication and assembly uses. Its chromoly construction and 12-point head accept standard 12-point sockets, making it suitable where compact wrenching access is needed. The black oxide finish keeps a low-glare appearance while offering basic surface protection for visible hardware.
ARP 7/16-20 x 3.500 12pt black oxide bolts
