Hochleistungsbohrer PREMUS, VHM HA Schaft 12 × A11 Innenkühlung 4 Führungsfasen Geh�rschutz precise spot drilling

precise spot drilling

but with prism clamping surfaces 120/90°

VDI 40 - 50 - 60

ground plane-parallel and lapped

- Special cutting edge geometry

Hochleistungsbohrer PREMUS, VHM HA Schaft 12 × A11 Innenkühlung 4 Führungsfasen Geh�rschutz precise spot drillingHigh 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 rise normal with twisted cooling channels How to use: For highest accuracy in diameter range, maximum alignment and positional accuracy, as well as coaxiality. Ultra