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The DEWALT ACCESSORIES DW1630 is a 1-inch self-feed wood drilling bit built for professional-grade boring applications. It uses an aggressive self-feeding screw tip that pulls the bit through dense wood without requiring constant operator pressure, reducing fatigue during extended use. An open-tooth cutting design allows field resharpening, extending service life in high-volume applications. The standard 7/16-inch Quick Change shank supports fast bit swaps in Quick Change ready tools while remaining fully backward compatible with conventional chuck-based drills. This bit is suited for licensed tradespeople who drill large-diameter holes as a core task.
Plumbers, electricians, and general contractors use this bit for boring holes for pipes, cables, and ductwork through wood framing. It is designed to handle tough structural lumber and engineered wood products encountered in residential and light commercial rough-in work. The self-feeding action is especially useful when working overhead or at awkward angles where consistent feed pressure is difficult to maintain manually.
Compatible with tools featuring a 7/16-inch Quick Change chuck, including the FLEXVOLT 60V MAX Brushless Cordless Quick-Change Stud and Joist Drill (DCD471). Also fits any standard drill or driver equipped with a conventional chuck that accepts a 7/16-inch hex shank.
Installation of this bit is performed by carpenters, plumbers, and electricians during rough-in framing stages. Ensure the drill or driver is powered off and the battery is removed before changing bits. When boring through load-bearing members, consult local building codes for allowable hole size and placement requirements. Secure the workpiece where possible to prevent kickback during bit engagement.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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