Version:
Forged from high quality steel, internally bevelled for easy fitting to bolt heads.
Optimum grain orientation due to special forging process. Close tolerance width across flats. No rounding of bolt corners, nuts and bolt heads are protected. Hardened in an oil bath, stress-relieved and distortion-free for a precision fit. Rounded surface with AS Drive profile.
Material:
HPQ® high performance steel, non-flaking chrome-plated over nickel.