Bosch PRO HSS-G Metal Drill Bit

The Bosch HSS-G Twist Drill Bit in 12mm, supplied as a single bit, is the highest combination variant in this range — ideal for those needing a single, large-diameter precision drill bit for metal, cast steel, sintered iron, malleable cast iron, non-ferrous metals, and hard plastics. The 135° self-centring split-point tip eliminates wandering with no pre-punching required. Ground from precision HSS, it achieves up to 40% faster drilling and up to 50% lower feed pressure than standard chisel-edge HSS bits. Manufactured to DIN 338 Type N, h8 diameter tolerance.