HSS Drill Bits pack of 3, 1.0mm
Purpose-made, selected, tungsten vanadium steel with high concentricity. Manufactured from a one-piece blank. High hardness for optimum life expectancy. For drilling metal, non-ferrous metals, plastic, PC cards and wood. Work speeds: hard materials approx. 3,000 rpm, soft materials approx. 8,000 rpm. All shanks 2.35 mm.