2-1/4" Self-Feed Bit DW1638-SBD

Dewalt's high-performance 2-1/4 inch self-feed bit designed for professional wood boring applications. This heavy-duty tool features a two-cutter design that minimizes binding and stalling, while the aggressive replaceable threaded pilot point ensures fast, automatic material penetration for plumbing and mechanical rough-ins.
Key Features
Two-cutter design reduces binding and stalling during heavy-duty wood drilling applications.
Replaceable threaded pilot point provides fast material penetration and pulls the bit through the wood with minimal effort.
Shank flats are precision-engineered to eliminate bit slipping within the drill chuck for better torque transfer.
Features an open tooth design that allows the cutting blades to be easily resharpened for a longer tool life.
Designed with a 2-1/4 inch diameter and a 7/16-inch hex shank compatible with quick-change and standard chucks.
Optimized for high-speed hole boring in thick timber, floor joists, and wall studs for pipe and cable installation.