Hotline: 16297 (9 AM to 8 PM) 
Hello, Sign in 
Cart 
Boring 25mm diameters through timber, the Tolsen 25mm Flat Wood Bit 75643 utilizes hardened carbon steel for structural rigidity. A 1/4-inch hex shank locks into standard impact drivers or drill chucks. Under heavy use, the tempered metal maintains its edge against friction heat during deep boring tasks.
Key Features
- 1/4" Quick-release Hex Shank: Swaps instantly in impact drivers. Fits standard 6.35mm chucks for fast bit changes.
- Hardened Carbon Steel: Maintains edge geometry under high torque. Resists snapping when hitting dense knots in local timber.
- Precision Polished Surface: Reduces drag during deep boring. Ejects wood debris to stop smoke buildup in high humidity.
- Spade Tip Design: Centers the bit for accurate hole placement. Prevents walking across the wood surface during high-speed starts.
Frequently Asked Questions
Is Tolsen 25mm flat bit suitable for hardwood?
The hardened carbon steel cuts through most hardwoods. Excessive speed in extremely dense timber will dull the spurs over time.
Does Tolsen 75643 fit impact drivers?
The 1/4-inch hex shank locks into any standard impact driver. This prevents bit slippage during high-torque wood drilling.
