The IRWIN® Blue Groove 4X Flat Bits have a patented groove point and cutting edge, designed to cut and not scrape the timber. They are 4 times faster than standard flat bits. The parabolic scoop optimises control and removal of wood chips.
Increased relief angle from 12° to 17°. The shank is 152mm in length and 10% larger in diameter for added durability.
This IRWIN® Blue Groove 4X Wood Flat Bit Set is supplied in a wallet. Contains the following:
Sizes (Ø): 10, 13, 16, 19, 22 and 25mm