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 Flat Bit Set is supplied in a hard, case and contains the following:
Sizes (Ø): 12, 16, 18, 20, 22, 25, 28 and 32mm.
