Twist drills extra-long

Catalog-No.
566
Web thinning ≥ Ø 8.000 • relieved cone • wide flutes • in case of poor chip evacuation • for extremely deep holes
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
grey cast iron and steels up to 1000 N/mm² • not recommended for: CrNi steels, stainless steels
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