{"product_id":"milwaukee-tool-48-17-4035-core-bit-extension-12-inches","title":"Milwaukee Tool 48-17-4035 Core Bit Extension 12 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe MILWAUKEE TOOL 48-17-4035 is a 12-inch extension designed for use with 3-1\/2 inch core bits threaded to the 1-1\/4-11 standard. It extends reach during core drilling operations, allowing tradespeople to drill through thicker concrete, masonry, or block without stopping to reposition. The overall length of 12 inches adds significant depth capacity to standard core bit setups. Compatible with threaded drill shanks, this extension connects between the drill motor and the core bit using the 1-1\/4-11 thread standard common in heavy-duty wet and dry core drilling rigs. Licensed contractors and concrete drilling specialists are the primary installers.\u003c\/p\u003e\u003cp\u003eThis extension is suited for commercial and residential concrete core drilling applications where standard bit length is insufficient. Typical use cases include drilling through thick foundation walls, concrete floors, and CMU block for conduit, pipe, or anchor sleeve penetrations. Electricians, plumbers, and general contractors running core drills for through-penetrations will find this extension applicable wherever added depth is required and 1-1\/4-11 threaded equipment is in use.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e12-inch overall length extends core bit reach for deep penetration applications\u003c\/li\u003e\n\u003cli\u003e1-1\/4-11 threaded connection matches standard heavy-duty core bit and drill motor interfaces\u003c\/li\u003e\n\u003cli\u003eDesigned for use with 3-1\/2 inch diameter core bits\u003c\/li\u003e\n\u003cli\u003eCompatible with threaded drill shanks for secure bit-to-motor connection\u003c\/li\u003e\n\u003cli\u003eStraight extension — no angled head, maintaining axial alignment during drilling\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with 3-1\/2 inch core bits and threaded drill shanks using the 1-1\/4-11 thread standard. Designed as an OEM-style extension for core drilling rigs equipped with 1-1\/4-11 threaded spindles.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified tradesperson familiar with core drilling equipment. Ensure the drill motor is fully powered down and locked out before attaching or removing the extension. Thread the extension fully onto the drill spindle and core bit using proper hand engagement before operating the drill under load. Follow applicable OSHA and site safety guidelines when operating core drilling equipment near electrical, plumbing, or structural elements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: 1-1\/4-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Core Bit Diameter\u003c\/strong\u003e: 3-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAngled Head\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 18 inches length x 4 inches width x 4 inches height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 6.8 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MILWAUKEE TOOL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 48-17-4035\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE","offers":[{"title":"Default Title","offer_id":51691622924594,"sku":"48-17-4035","price":84.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e5e55a1f321c690a1c147d28095a90a4.jpg?v=1788287901","url":"https:\/\/voomisupply.com\/products\/milwaukee-tool-48-17-4035-core-bit-extension-12-inches","provider":"Voomi Supply","version":"1.0","type":"link"}