Grąžtas metalui ∅3.1mm 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.