The Irwin Blue Groove 4X Flat Bits are engineered for efficiency in woodworking. Featuring a patented groove point and cutting edge designed to cut rather than scrape timber, these bits claim to operate four times faster than standard flat bits. The parabolic scoop design helps optimize control and facilitates smooth removal of wood chips, contributing to a cleaner drilling experience. Key dimensions include a 19 mm diameter, a 152 mm shank length, and a shank diameter that is 10% larger for added durability. An increased relief angle of 17° (up from 12°) further enhances cutting performance and durability in demanding applications for both DIY and professional projects.
features
- Patented groove point and cutting edge for timber
- 4X faster than standard flat bits
- Parabolic scoop for control and chip removal
- Relief angle increased to 17°
- Shank length 152 mm; shank diameter 10% larger
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