Bosch HSS-G Twist Drill Bit, 4mm Diameter, 75 mm Overall

Bosch HSS-G Metric Jobber Drill Bits (DIN 338)

Introducing the series of HSS-G Drill Bits from Bosch. These high-performance drill bits are designed to give a very clean, accurate holes in alloyed and non-alloyed steel, cast steel, cast iron, sintered iron malleable cast iron, non-ferrous metals and hard plastic. The HSS-G drill bits enable up to 40% faster drilling rates and 50% lower feed pressure than standard HSS bits, with a chisel edge and split point drill tip manufactured to DIN338. The bit's exposed 135-degree self-centring split-point tip combines active cutting and perfect centring without wandering, delivering maximum precision. The split-point tip also eliminates any need to pre-punch or pilot drill for up to 10 mm.