Selected steel quality. Purpose-made stable construction with high concentricity. Shaft and bit are manufactured from a one-piece blank. High hardness for optimum life expectancy and elasticity. For drilling metal, non-ferrous metals, plastic, PC cards and wood. Work speeds: soft materials approx. 8,000rpm, hard materials approx. 3,000rpm.
One each of 0.3 - 0.5 - 0.8 - 1.0 - 1.2 - 1.5 - 2.0 - 2.5 - 3.0 - 3.2mm diameter. For drilling non-ferrous metals, steel, high-quality steel. 10 pieces.