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The ARP chromoly 5/16-18 × 1.500 12-point black oxide bolt is a high-strength fastening solution specified by thread size, length and head type. It features a 12-point head and black oxide finish as described, and is supplied for applications that call for a 5/16-18, 1.500-inch chromoly 12pt fastener. Use where that exact thread, length and head form are required.
ARP 5/16-18 x 1.500 12pt Black Oxide Bolts
