{"product_id":"milwaukee-2-1-8-in-x-4-1-2-in-l-heat-treated-steel-self-feed-drill-bit-hex-shank","title":"Milwaukee 2-1\/8 in. X 4-1\/2 in. L Heat-Treated Steel Self-Feed Drill Bit Hex Shank","description":"\u003cdiv\u003e\n\u003cp\u003eMilwaukee 2-1\/8 in x 4-1\/2 in Heat-Treated Steel Self-Feed Drill Bit with Hex Shank is engineered for dependable, high-volume hole making in wood. Built from heat-treated steel and finished with a protective coating, this bit is designed to withstand the demands of professional carpentry and serious DIY projects, delivering consistent, clean holes from first bite to finish.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-feed action\u003c\/strong\u003e pulls the bit into the wood for fast, confident starting and steady cutting without wandering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHex shank, 7\/16\"\u003c\/strong\u003e ensures a secure grip in standard drill chucks and reduces slippage, even under torque.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeat-treated steel\u003c\/strong\u003e plus a protective coating provides durability and wear resistance for repeated drilling through hardwoods and softwoods.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and geometry\u003c\/strong\u003e—2-1\/8\" drill diameter, 4-1\/2\" overall length, and 1\" flute length—to create larger holes efficiently while maintaining control in dense lumber.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis bit shines in projects where large-diameter holes are needed quickly and accurately. Ideal for electricians routing conduit, furniture makers installing pass-through hardware, cabinetry installers running wiring, or DIYers assembling sturdy frames and supports. The combination of a robust heat-treated body, a protective coating, and a secure hex shank makes it a reliable choice for repeated use in a shop or on the job site.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstronguse cases\u003e: large-diameter holes for wiring and cables, pass-throughs for hardware, furniture and cabinet assembly, deck or structural framing where clean, precise holes are essential.\u003c\/stronguse\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongwho it for\u003e: professional carpenters, remodelers, cabinetry specialists, and serious DIY enthusiasts who need durable, long-lasting performance from a single-hole solution.\u003c\/strongwho\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongcompared to alternatives\u003e: quicker hole initiation and fewer guide drillings thanks to self-feed design; durable heat-treated steel stands up to demanding tasks that linger after many uses, unlike lighter-duty bits.\u003c\/strongcompared\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for optimal results: clamp your workpiece securely, mark a center point to guide the bite, and start drilling at a moderate speed to prevent margin tearing. Let the bit do the work—apply steady, even pressure and avoid pushing aggressively to maximize hole quality and bit life. For hardwoods, consider a light pre-punch and occasional gentle retracts to clear chips and maintain a clean cut.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52272871440658,"sku":"26756","price":52.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/26756_A.eps_High.jpg?v=1778783117","url":"https:\/\/nationalhardwaregroup.com\/products\/milwaukee-2-1-8-in-x-4-1-2-in-l-heat-treated-steel-self-feed-drill-bit-hex-shank","provider":"National Hardware Group","version":"1.0","type":"link"}