- Material-specific cutting geometry from diameter 0
- best handling and control for precise work
and mounting plate made from a special LM alloy
It is securely held by 2 locknuts
Spiralbohrer PREMUS, HSS Typ N 461200 - Material-specific cutting geometry fromVersion 102000 and 102050: made of HSS Cone surface grinding Gouging from 14,25 mm steam treated Use 102000 and 102050: Standard twist drill for general machining in alloyed, unalloyed steel, cast steel, gray cast iron, malleable cast iron, ductile cast iron, sintered iron, nickel silver, and graphite. Version 102350: made from HSS Co Cone surface grinding Gouging from 10,00 mm steam treated Use 102350: Alloyed, unalloyed steels and cast types over