- For coarse grinding work with a high stock removal rate and cool grinding. - Active grinding additives in the coating substantially improve the stock removal rate, prevent clogging and result in cooler grinding. - Abrasive: Zirconia alumina Z-COOL.
Drill bit for use in alloyed and unalloyed steels up to 900N/mm² tensile strength, sheet metal and thin wall profile material, where accurate and clean drilling is required.
- Precision ground twist drill bit for rapid drilling, long life and excellent concentricity. - Manufactured from High Speed Steel to DIN338. - Ground from solid stock right hand cutting, type N flute, precision ground at 118° point angle.