IRWIN 10506629 Flat Drill Bit Set; 8Pcs

Model # 10506629

Patented groove point; and cutting edge designed to cut and not scrape the timber
4 times faster than standard flat bits.
Comes in a 8 pieces set

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 157mm in length and 10% larger in diameter for added durability.