Hochleistungsbohrer PREMUS, VHM Schaftform HA 5 × A11 mit Innenkühlung TiAlN+ elektrisch höhenverstellbar - 4-spiral flute geometry with

- 4-spiral flute geometry with large-volume flute for optimal chip evacuation

- According to DIN 6358 with steep taper

- flexible and resilient operation with a soft grinding process

1 × d) and lateral

D 181 (rough): Roughing

Hochleistungsbohrer PREMUS, VHM Schaftform HA 5 × A11 mit Innenkühlung TiAlN+ elektrisch höhenverstellbar - 4-spiral flute geometry withVersion: Shaft shape HA Hole tolerance H9 4 bevel geometry for better guidance polished chip grooves for optimal chip transport with twisted cooling channels TiAlN coating 180 tip angle How to use: Solid drilling with flat bottomed holes, spot drilling on inclined surfaces.