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ARP chromoly bolt specified as 7/16-20 x 5.625" with a 1/2" wrenching hex and black oxide finish. This threaded fastener provides chromoly construction and a 7/16-20 machine thread for fabrication and repair tasks that require extended length. The 1/2" hex head accepts standard sockets or wrenches for installation and removal, and the black oxide gives a consistent dark appearance.
ARP 7/16-20 X 5.625 1/2 wrenching hex black oxide bolts
