Irwin Flat Drill Bit BLUE 4 GROOVE 16mm 19mm 22mm x 152mm Shank
Sold in various sizes and quantities - you choose the size/number required from the drop down menus - discounted the more you buy !!!
The Irwin 4X Blue Groove Flat Bits have a patented groove point, and cutting edge designed to cut and not scrape the timber 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.