Twist drills short

Catalog-No.
61221
  • web thinning ≥ Ø 1.000
  • facet point grind
  • low feed force required
  • low torque required
  • increased wear resistance
  • for universal application
P M K N S H
ISO code

P Steel, high-alloyed steel
M Stainless steel
K Grey cast iron, spher, graphite/mall. cast iron
N Aluminium and other non-ferrous metals
S Special, super and titanium alloys
H Hardened steel and chilled cast iron
On the following programme pages you will find for every tool recommendations regarding suitability for the application groups and details of max. tensile strength and harness:
optimal suitability
limited suitability
  • alloyed/unalloyed steels up to 800 N/mm²
  • cold/hot work steels
  • antifriction bearing steels
  • non-ferrous metals
  • cast materials
  • stainless steels
  • plastics
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