This range of Bosch HSS drill bits have a reduced shank. Suitable for drilling clearance and pilot holes in alloyed and non-alloyed steel, non-ferrous metals, cast steel, cast iron and plastics. Key Features of this Bosch Reduced Shank Drill Bit: - PointTeQ tip design remains sharp and ensures continuous durability for fast drilling in metal - Increased drilling rate generates less heat and wear - Self-centering tip prevents wandering for quick and easy drilling starts - High elasticity for low risk of breakage - Black-oxide coated flute provides fast chip removal - Manufactured to DIN 338, Type N (flute angle), 135 tip