METAL DRILL BIT 4.0MM HSS DIN340

- industrial quality twist drills for drilling steel and steel castings, alloy and plain carbon, grey iron castings, copper-alloys, nickel-silver, graphite and similar materials - industrial quality: suitable for NC machines - highly accurate: special shape, drills without center-punching - precise thanks to state-of-the-art grinding process - surface steam temp - Ø 4,00 mm - overall length 119 mm - thread length 78 mm