Version:
Forged from high quality steel, internally bevelled for easy fitting to bolt heads.
Square drive socket with hole to DIN 3120 D 6.3.
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.
Standard:
DIN 3124-L
Material:
HPQ® high performance steel, non-flaking chrome-plated over nickel.