Extra length twist drills, series 3

Catalog-No.

571

Connection code machine side: straight shank

Web thinning ≥ Ø 2.500 • relieved cone • wide flutes • for extremely deep holes • in case of poor chip evacuation • Co-alloyed high speed steel • increased wear resistance

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

high tensile steels and cast steels • grey cast iron, malleable and spheroidal iron

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