Metal drill bit set HSS-R (roll-rolled). 19 pieces. The powerful universal drill bit is a robust twist drill made of high-speed steel, featuring high elasticity and a low risk of breakage thanks to hot-formed production. It is universally suitable for a wide range of metals and hard plastics, making it ideally equipped for practically any task. This metal drill bit set allows for precise drilling in iron, steel, non-ferrous metals, grey cast iron, and hard plastics. The drill diameter increases in 0.5 mm steps from 1 to 10 mm. The set includes 19 twist drills made of high-speed steel for use with both hand-held and stationary drilling machines, ensuring a long service life and high elasticity for a low risk of breakage. The robust metal cassette provides clear storage and protection for the drill bits. It is universally applicable and suitable for all power tool brands. The contents of the set include 19 HSS-R metal drill bits with diameters: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, and 10 mm. Note: Use of coolant is recommended. Safety note: Please wear protective goggles when using.