Metallipuur ∅4,5mm HSS / DIN338

Product description Professional metal drill bits, made of specialised alloy steel, intended for boring holes in steel, cast iron, non-ferrous metals, and hardened plastics. Characteristics - made of very durable, hardened alloy steel; - the applied technology of sharpening split point drills enables self-centring boring, even on oval surfaces, without any need for centre-punching of material; - automated technology of polishing drill bits reduces the time needed for drilling; - manufactured and sharpened with precision; - countersink angle 135º; - manufactured in accordance with the German DIN 338 standard; - packed in practical plastic boxes that facilitate storage of drill bits.