The IRWIN Blue Groove 4X Flat Bit is engineered for efficient drilling in timber, featuring a patented groove point and cutting edge designed to cut rather than scrape. The bit operates four times faster than standard flat bits and is built with a durable shank. It has a diameter of 20 mm and a shank length of 152 mm. The relief angle is increased to 17°, improving chip removal and reducing resistance. The design includes a larger shank diameter for added durability, making it suitable for both DIY and professional woodworking projects.
Features
- Patented groove point and cutting edge
- Parabolic scoop design improves control
- Four times faster than standard flat bits
- Relief angle increased to 17°
- Shank length 152 mm
- Shank diameter 10% larger for durability
Price History
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