Step drills for centring according to DIN 332

Catalog-No.
85911
web thinning ≥ Ø 8.000 • relieved cone • shank with flat • 60° countersink angle • for centre holes acc. to DIN 332, sheet 2, form DR • application on centring/cut-off machines
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
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