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Extra length twist drills, series 1
Web thinning ≥ Ø 2.700 • relieved cone • Co-alloyed high speed steel • wide flutes • increased wear resistance • for extremely deep holes • in case of poor chip evacuation
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Connection code machine side: straight shank -
Cutting depth: ~15xD -
Ø-Thinning: 3.000 -
Tolerance on Ø: h8 -
Internal cooling: without -
Surface: nitrided lands -
Cutting direction: right-hand -
Type: GT 100 -
Point angle: 130 -
Tool material: HSCO
SKU
618
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
optimal suitability
limited suitability
high tensile steels and cast steels • grey cast iron, malleable and spheroidal iron
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