The Irwin 4X Blue Groove long flat bit has 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. The bits also have an increased relief angle from 12° to 17° . The shank is 400mm in length and 10% larger in diameter providing added durability.
Manufacturers Product Code GRPIRW10502830
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