Hochleistungsbohrer PREMUS, VHM HA Schaft 8 × A11 Innenkühlung 4 Führungsfasen Werkstattfeilen - 4-flute design prevents the

- 4-flute design prevents the drill from jamming when hitting reinforcement

- made of tempered steel

- Claw opening max

Ultra-smooth surface and excellent chip evacuation due to optimized coating

- VHM superfine grain

Hochleistungsbohrer PREMUS, VHM HA Schaft 8 × A11 Innenkühlung 4 Führungsfasen Werkstattfeilen - 4-flute design prevents theHigh performance drill for maximum bore quality and alignment accuracy. Version: 2 cutting edges + 4 guiding chamfers Solid carbide fine grain 10 12 % Co TiAlN coating Special grinding, point angle 140 Side rake angle 30 special chip chamber geometry Core thickness reinforced Core increase normal with twisted cooling channels How to use: For highest accuracy in diameter range, maximum alignment and positional accuracy, as well as coaxiality. Ultra