1.6.35 mm hexagonal shank / DIN 3126 C 6.3 standard: geometric characteristics comply with dimensional standards.Enables a perfect hold with bit-holders.
2.Break-resistant twist: reduced central geometry and special thermal treatment that absorbs peak screwing forces and extreme torque variations.Prevents the premature breakage of the bit, as well as its premature wear, for a longer service life.3.With different color rings depending on the screw heads.For the simple and fast recognition of screw head types. Each screw head has its own colour code.
















