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ARP 7/16-20 x 1.625 chromoly 12-point bolt with black oxide finish is a 7/16-20 threaded fastener featuring a 12-point head and a 1.625 inch length. Chromoly material and black oxide surface are provided in source text. Specify this bolt when a 7/16-20 thread, 12-point drive and 1.625 inch grip are required for mechanical assemblies, mounting, or replacement hardware.
ARP 7/16-20 X 1.625 1/2 12pt black oxide bolts
