Beskrivelse
Ø 2,5 x 57 x 30 mm High-performance HSS-G twist drill with brazed-on TC cutting inserts made from K20 fine grained material. – High-performance HSS-G twist drill with brazed-on TC cutting inserts made from K20 fine grained material.
It is suited for universal applications and for high-strength steel. Continuous cooling is required when drilling into high-strength steel.
TC: Solid tungsten carbide. Particularly suitable for drilling work in high strength steel at high cutting speeds.
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.
