ZIRA® step drill straight fluted - CBN ground - HSS-TiALN



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Description
Description
For burr-free drilling and reaming of sheet metal, pipes and profiles and one-sided deburring in one operation
- straight grooved
- 3-surface shaft
- CBN ground
- HSS-TiALN (stands for titanium-aluminum-nitrate) coating, cooling is not absolutely necessary
- suitable for steels up to 1,100 N/mm2 (stainless steel)
Technical data
- Ø 4-12 mm
Graduation 1mm increasing - Ø 6-20 mm
Graduation 2mm increasing - Ø 6-30 mm
Graduation 2mm increasing
Explanation of terms
- CBN (stands for boron nitride) ground HSS steels have a longer service life than those ground with conventional abrasives
- TiALN (stands for titanium aluminum nitrate) has up to twice the service life compared to TiN (=titanium nitride) and an application temperature 100°C higher
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