For use by Carpenters to bore through rafters and uprights used in railroad, ship and fence construction. Equally efficient for boring through exotic woods like Bongosi/Azobe, Jarrah/ Karri etc. See RPM table.
- Excellent chip etal a based on an optimized geometry of the spiral
- High cutters for exact boring
- No chattering of the shank
With screw point, 1 Cutter; Shank: SDS.