- High-performance ground standard twist drill made from heavy-duty high speed steel. - The fully ground twist drill has a precise concentricity. - Thanks to the split point, this drill has good centring properties and requires little pressure.
- Split point of 135 ° rectified; - Industrial grade rectified groove; - High quality steel body with titanium nitride coating (TiN); - Speed and power; - Less heat.
- Rectified four-sided hard metal tip; - Super deep double groove; - Reduced groove; - Vanadium chrome steel body; - The coolant should always be used.
- High-performance ground standard twist drill made from heavy-duty high speed steel. - The fully ground twist drill has a precise concentricity. - Thanks to the split point, this drill has good centring properties and requires little pressure.