{"product_id":"milwaukee-48-20-3918-sds-max-4-cutter-bit-5-8x21-in","title":"Milwaukee 48-20-3918 Sds-max 4-cutter Bit 5\/8x21 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe Milwaukee Electric Tool Corp 48-20-3918 is an SDS-Max 4-cutter rotary hammer bit designed for aggressive concrete and masonry drilling. At 5\/8 inch in diameter and 21 inches in overall length, with a working length of 15.5 inches, this bit is built for deep anchor holes, through-slab applications, and heavy structural drilling. The 4-cutter carbide tip geometry increases material removal speed and extends service life compared to standard 2-cutter designs. Licensed electricians, plumbers, and structural contractors reach for SDS-Max bits like this one when core drilling or setting anchors in reinforced concrete.\u003c\/p\u003e\u003cp\u003eThis bit fits SDS-Max rotary hammer drills and is suited for residential and commercial applications where deep penetration in concrete, block, or brick is required. Typical uses include setting epoxy or mechanical anchors, running conduit through concrete slabs, and drilling pipe penetrations in masonry walls. The 21-inch overall length allows drilling through thick structural elements without extensions. Sold in a package quantity of 20 units.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e4-cutter carbide tip for faster drilling and longer bit life in concrete and masonry\u003c\/li\u003e\n\u003cli\u003e5\/8 inch diameter — common anchor and conduit knockout size\u003c\/li\u003e\n\u003cli\u003e21 inches overall length with 15.5 inches working length for deep-penetration drilling\u003c\/li\u003e\n\u003cli\u003eSDS-Max shank for secure chuck engagement on full-size rotary hammers\u003c\/li\u003e\n\u003cli\u003ePackage quantity of 20 bits for job-site or shop stocking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with SDS-Max rotary hammer drills. The SDS-Max shank is an industry-standard interface and fits SDS-Max chucks from major rotary hammer manufacturers.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eSDS-Max bits are installed and removed by licensed tradespeople and experienced contractors using compatible SDS-Max rotary hammers — do not force this shank into SDS-Plus or spline-drive chucks. Always wear eye protection and dust control equipment when drilling concrete or masonry, in accordance with applicable OSHA silica exposure standards. Inspect the carbide tip for damage before each use and replace bits that show cracking or missing carbide segments.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: SDS-Max\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutter Configuration\u003c\/strong\u003e: 4-cutter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 5\/8 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 21 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Length\u003c\/strong\u003e: 15.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 27 pounds (package of 20)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\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 Electric Tool Corp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 48-20-3918\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MILWAUKEE","offers":[{"title":"Default Title","offer_id":51523923411250,"sku":"48-20-3918","price":1034.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/996443bbd9aefcaa706e91211f31a09f.jpg?v=1785444409","url":"https:\/\/voomisupply.com\/products\/milwaukee-48-20-3918-sds-max-4-cutter-bit-5-8x21-in","provider":"Voomi Supply","version":"1.0","type":"link"}