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The ARP 1/2-20 x 4.500 chromoly bolt is a 1/2-20 threaded fastener with a 4.500-inch length, 12-point head, and black oxide finish. Intended for fabrication and assembly applications demanding extended reach, this chromoly bolt suits joins where a longer threaded grip and the 12-point drive profile are preferred. Use it where specific thread length and a black finish are needed.
ARP 1/2-20 x 4.500 12pt black oxide bolts
