Twisting drill, cylindrical shank
Execution: DIN 340, type N.
Right-handed, with precise grinding of the top. Lateral approach angle normal, core thickness normal, convergence greater than normal.
Application: designed in particular for deep hole drilling, in alloyed and non-alloy steels and castings with a strength exceeding 800 N/mm2, for ductile iron ductile iron, sintered cast iron, high-nickel brass and graphite.
Note: other dimensions available on request.
Hollow twist drill DIN340 HSS, ground type N 4,20mm GÜHRING
PLN 19.05
Shipping from warehouse: B6
Estimated shipping: Wed, Nov 5 - Mon, Nov 10
14 days returnUnconditional return policy
- Availability:
- large quantity
- Brand:
- GÜHRING
- Product code:
- 9002170042000 / 4031093043434
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Specification
| Aluminium < 8% krzemu: | 45 |
|---|---|
| Cast iron gg/gts: | 27 |
| Execution: | Surface tempered in water vapour |
| Ggg cast iron: | 18 |
| Ø h7: | 4.2 mm |
| Overall length: | 119 mm |
| Spiral length: | 78 mm |
| Steel < 1000 n/mm2: | 20 |
| Steel < 700 n/mm2: | 22 |
| Steel < 700 n/mm2 f: | 0.100 mm/rev. |
Despite our best efforts, we cannot guarantee that the published technical data and photos do not contain inaccuracies or errors, which, however, cannot be a basis for claims.