IRWIN Blue Groove 4X Flat Bit 28 x 152mm
High-speed 28mm IRWIN flat bit cuts 4x faster with patented groove tech for smooth wood drilling.
IRWIN Blue Groove 4X Flat Bit 28 x 152mm features 4x faster drilling than standard flat bits, with a patented groove point and cutting edge designed to cut cleanly through timber instead of scraping it. The parabolic scoop optimises both control and wood chip removal, ensuring smooth and efficient operation.
For enhanced durability, the shank is 10% larger in diameter with an increased relief angle from 12° to 17°, which helps reduce friction and wear during use. Shank length: 152mm.
Perfect for carpentry, joinery, and DIY projects requiring precise, high-speed wood boring.
Ideal for:
- Fast and clean drilling in softwoods & hardwoods
- Furniture making and cabinetry
- General woodworking applications
Includes:
- 1x IRWIN Blue Groove 4X Flat Bit (28 x 152mm)
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Carpentry & joinery
- Furniture making
- Cabinet work
- DIY woodworking projects
- Blade Diameter: 28mm
- Shank Length: 152mm
- Material: High-grade steel
- Shank Diameter: 10% larger than standard
- Relief Angle: 17° (increased from 12°)
- Special Feature: Patented groove point
- Special Feature: Parabolic scoop for chip removal
- Weight: 78g
Always follow local regulations and product guidance.
Free standard delivery on US mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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