- Super-strength steel.
- Spiral portion coated with orange or black P.T.F.E.
- HW head with precision balanced centre point.
- 2 HW precision ground cutting edges.
- 4 spiral flutes.
- Parallel shank with driving flat and length adjusting screw.
Application
Used on boring machines equipped with adaptors or chucks. Used to drill blind holes in solid wood, wood composites, plastic and laminated materials.
Diameter | 4 |
Right-hand of left-hand rotation | RH |
Cutting length | 40 |
Total length | 70 |
Shank diameter | 10x20 |