Metal drill bit set HSS-R (roll-rolled). 10 pieces. The powerful universal drill bit. A robust twist drill made of high-speed steel, high elasticity and low risk of breakage thanks to hot-formed production. Universally suitable for a wide range of metals and hard plastics. Ideally equipped for almost any task: Metal drill bit set for precise drilling in iron, steel, non-ferrous metals, grey cast iron and hard plastics. 10 twist drills made of high-speed steel for hand-held and stationary drilling machines. Long service life. Low risk of breakage thanks to high elasticity. Suitable for all power tool brands. Contents of the set: 10 HSS-R metal drills with diameters: 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 / 9 /10 mm. Note: Use of coolant recommended, e.g. Bosch universal cutting oil 2 607 001 409. Safety note: Please wear protective goggles when using.