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Twist drill assortment HSS DIN 338 type RN TiN head
25 pieces TiN head coated steel precision drill bit for general, broad applications in steel up to 850 N/mm² strength and cast iron.
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Variants
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Precise & Quick drilling
- The sturdy twist drill with its short design provides for precise drilling.
- Very precise tip and the related precise cutting geometry, a constant drilled-hole quality is ensured, ideal for core hole drilling.
- Optimized crosswise drill point narrowing provides 20% lower feed force saving compared with conventional drill bit.
Self-centering
The crosswise grinding ensures an excellent centering effect even on domed surfaces, eliminating the need for center-punching or piloting.
Long tool life
The TiN coating increase the heat resistance up to 600º, which provides 3 times more tool life in comparison with a non-coated HSS drill.
The Ø 13.0 mm drill shank is reduced to Ø 12.7 mm.
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