High-performance drill PREMUS, solid carbide HA shank 12 × A11 internal cooling 4 guide chamfers

High-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-smooth surface and excellent chip evacuation due to optimized coating. Specifically suitable for NC manufacturing.

Note:
Set pilot hole with 102736.