1-1/8" Self-Feed Bit DW1631-SBD

Dewalt's professional 1-1/8 inch heavy-duty self-feed bit designed for rapid hole boring in thick timber and dimensional lumber. Engineered for high-speed performance, this bit features an aggressive self-feeding spur and a two-cutter design that allows tradespeople to drill through studs and joists with minimal effort and significantly reduced stalling.
Key Features
Two-cutter design provides faster and smoother drilling while significantly reducing binding and stalling in tough materials.
Aggressive self-feeding spur draws the bit into the wood for rapid material penetration and high-speed operation.
Optimized cutting geometry ensures a longer service life and maintains clean, debris-free cuts in heavy construction applications.
7/16-inch ball groove hex shank provides a secure, non-slip fit and is compatible with quick-change systems for increased jobsite efficiency.
Open-tooth design allows the cutting blades to be easily resharpened to extend the overall utility of the tool.
Hardened carbon steel construction provides the durability needed for consistent performance under high-torque loads.