{"product_id":"dewalt-dw1638-self-feed-bit-2-1-4-inch","title":"Dewalt DW1638 Self Feed Bit 2-1\/4 Inch","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe DEWALT DW1638 is a 2-1\/4-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 point to pull the bit through the material, reducing the force required on the drill and producing clean, consistent holes. The DW1638 is sized for applications that require a large-diameter penetration, such as running pipe, conduit, or cable through structural members. It is a standard tool for electricians, plumbers, and HVAC technicians working in new construction or retrofit installations.\u003c\/p\u003e\u003cp\u003eThis bit is suited for residential and light commercial rough-in work where large-bore holes are required through wood framing. Common applications include drilling through wall plates, floor joists, and ceiling members to route PVC drain lines, EMT conduit, flexible duct connections, or low-voltage wiring bundles. The 2-1\/4-inch diameter accommodates common pipe and conduit sizes without requiring a hole saw or step-down reducer.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2-1\/4-inch cutting diameter for large-bore rough-in applications\u003c\/li\u003e\n\u003cli\u003eSelf-feed center screw pulls the bit through wood, reducing operator effort\u003c\/li\u003e\n\u003cli\u003eCompatible with standard corded and cordless drill\/drivers with a hex shank chuck or bit extension\u003c\/li\u003e\n\u003cli\u003eSingle-piece unit sold individually\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use self feed bit for use with standard hex-shank drill\/driver setups in wood-boring applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eSelf feed bits are installed by electricians, plumbers, and HVAC technicians using a corded or high-torque cordless drill. Ensure the work surface is secured before drilling and keep hands and clothing clear of the rotating bit. Always verify local building codes for minimum clearances when boring through structural framing members. Wear appropriate eye and hearing protection during use.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 2-1\/4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As\u003c\/strong\u003e: Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 028874116382\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: DEWALT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DW1638\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DEWALT","offers":[{"title":"Default Title","offer_id":51346187223346,"sku":"DW1638","price":59.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310491719.jpg?v=1782073337","url":"https:\/\/voomisupply.com\/products\/dewalt-dw1638-self-feed-bit-2-1-4-inch","provider":"Voomi Supply","version":"1.0","type":"link"}