• 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.

SPECIFICATIONS