IRWIN Zip Wood Drill Bit - 30 x 157mm

The Irwin 4X Blue Groove Flat Bit is designed for efficient wood drilling, featuring a patented groove point and cutting edge that allows it to cut timber four times faster than standard flat bits. With a diameter of 30mm and a length of 152mm, this flat bit is ideal for various woodworking tasks. The parabolic scoop optimizes control and removal of wood chips, while the increased relief angle from 12° to 17° enhances performance. The shank measures 157mm in length and is 10% larger in diameter for added durability.