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The DEWALT DW1637 is a 2-1/8-inch self feed bit designed for fast, aggressive boring through dimensional lumber, engineered wood, and similar framing materials. Self feed bits use a center screw tip to pull the bit through the material, reducing the push force required and speeding up production drilling. This bit is sold individually and is suited for use with a corded or cordless drill or right-angle drill in residential and light commercial framing, rough-in plumbing, and electrical work.
The DW1637 is a standard pick for electricians and plumbers drilling through wall plates, floor joists, and studs during rough-in work. Its 2-1/8-inch cutting diameter accommodates common conduit runs, drain lines, and large cable bundles. The bit is sized to fit standard drill chuck sizes used across the trade.
Designed as an OEM-style replacement or direct-purchase self feed bit for use in standard drill applications requiring a 2-1/8-inch bore diameter.
Self feed bits are installed by electricians, plumbers, and general contractors during rough-in framing phases. Secure the workpiece before drilling and ensure the drill is set to the appropriate speed for large-diameter bits, typically a lower RPM setting. Keep hands and clothing clear of the bit during operation. Follow applicable NEC or IPC guidelines when sizing bored holes in structural members.
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