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High quality, HSS Co8 drill bits made to DIN388, with a long life as they have a TiN coating. The wide flute design is ideal for good chip evacuation and the point is designed to maximise self-centring. They can be used on a wide range materials including cast steel alloyed and non-alloyed, grey cast iron, graphite, malleable cast iron and woods. When used with cutting fluids, will drill stainless steels and titanium. Available in a range of sizes from 1-13mm in 0.5mm increments, plus popular tapping drill sizes 1.6, 2.1, 3.3, 4.2, 6.8 and 10.2mm.