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The ARP 1/2-20 x 3.250 chromoly bolt is a 1/2-20 threaded fastener with a 3.250-inch length, featuring a 12-point head and black oxide finish. It’s intended for fabrication and assembly applications that require a chromoly bolt with extended reach and a 12-point drive profile. Suitable where a longer 1/2-20 fastener and the appearance of a black oxide head are desirable.
ARP 1/2-20 x 3.250 12pt black oxide bolts
