Detailed Product Description
We can also produce micro-boring bar with coolant hole, high speed steel shank and carbide shank.

Tips:
1. High relief of angle will bring small flank wear.
2. High relief of angle will weaken the cutting EDGE.
3. Low relief angle may cause chattering.

How to select:
1. For hard workpiece
2. For the applications that need strong cutting EDGE

Then choose low relief angle
1. For soft workpiece
2. For the workpiece having property to get work hardening
Boring bars
Boring holders