HSS Cobalt 5% Metal Drill Bit Profi 4.0mm (pack of 10pcs) FIT 33940

FIT HQ cobalt metal drill bit is designed for drilling holes in carbon and alloy steels, gray and malleable cast iron, non-ferrous metals, and plastic. The drill bit is made of high-quality HSS steel P6M5K5. The addition of 5% cobalt increases the wear resistance of the drill bit and contributes to high precision during operation. The flute shape complies with the DIN 338 standard and contributes to efficient chip removal during work. The drill bits have the highest accuracy class A1 and drill holes with high-precision diameter. The drill bits are manufactured by grinding the profile, which increases drilling smoothness and the cleanliness of the finished holes.