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The ARP Chromoly 7/16-20 x 4.000 hex bolt is a chromoly fastener finished in black oxide, sized with a hex head and a 4.000-inch length. It’s intended for fabrication and assembly work where that exact threaded length is required. Use it with standard 7/16-20 nuts or tapped holes to secure components in custom builds and repairs that call for chromoly hardware.
ARP 7/16-20 x 4.000 hex black oxide bolts
