Beskrivelse
Ø 5,0 x 86 x 52 mm High performance solid carbide K 20 twist drill, especially well suited for high strength steels at high cutting speeds. – High performance solid carbide K 20 twist drill, especially well suited for high strength steels at high cutting speeds.
The titanium aluminium nitride coating offers high heat and oxidation resistance. Suitable for drilling hard materials without cooling.
Shape C: Split point
Applications: for drills with very strong cores, for particularly tough, hard materials and for deep-hole drills.
Advantages: good centring, little pressure required. Chip spreading improves chip removal.
Disadvantages: perfect grinding only possible by machine.
