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These ARP fasteners are 1/4-20 x 0.515" 12-point bolts finished in black oxide for general-purpose assembly and fabrication use. Their 12-point head profile suits high-torque fastening in tight spaces and the specified length and thread size make them suitable where compact, strong 1/4-20 fasteners are required in mechanical assemblies.
ARP 1/4-20 x 0.515 12pt Black Oxide Bolts
