Version:
Forged from high quality steel, internally bevelled for easy fitting to bolt heads. Internal square to DIN 3120.
Optimum grain orientation due to special forging process. Hardened in an oil bath, stress-relieved and distortion-free for a precision fit. Smoothed finish.
Bit made from high-alloy special steel, bright finished.
Standard:
DIN 7422
Material:
HPQ® high performance steel, non-flaking chrome-plated over nickel.