The Irwin Speedbor Groove Flat Bit has a patented groove point and cutting edge. The cutting edges cut the timber 4 times faster, without scraping. The parabolic scoop optimises control and removal of wood chips.These flat bits have an increased relief angle from 12° to 17° . The large shank is 152mm in length and 10% larger in diameter for added durability.
- Drillbit diameter: 18.0mm
- Total length: 157mm
- Suitable for Soft and Hardwoods
- From the trusted brand of Irwin Tools