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ARP 1/2-13 x 5.500 chromoly 12-point bolt in black oxide finish is an extended-length fastener for applications requiring a 5.500-inch bolt with 1/2-13 thread. The 12-point head accepts compatible sockets, and the chromoly construction with black oxide surface provides the stated head profile and finish. Intended for fabrication, assembly, and repair jobs where that precise sizing is needed.
ARP 1/2-13 x 5.500 12pt black oxide bolts
