- High precision bore (H5) is best in the industry
- Extends cutting tool life 60%
- Balanced to 15,000 RPM at G6.3
All Techniks end mill holder bores are manufactured to meet or exceed the H5 specification. H5 is an extremely accurate bore I.D. and provides improved T.I.R. for extended cutting tool life.
Please specify your bore I.D. (shank size) when ordering replacement lock screws to ensure correct replacement.
For turn/mill machines that accept “C” style toolholders.
Coolant-thru is standard feature.