
The ARP 5/16-18 x 0.560 chromoly 12-point bolts with black oxide finish are sized for applications needing short fasteners with a 12-point head. The compact head profile accepts standard 12-point sockets while the black oxide finish provides uniform appearance. Supplied for fabrication and assembly tasks where accurate 5/16-18 thread fit and serviceable chromoly hardware are required.
ARP 5/16-18 X 0.560 12pt Black Oxide Bolts