{"product_id":"milwaukee-48-20-3918-5-8in-x-15in-x-21in-mx4-4-cutter-sds-max-rotary-hammer-drill-bit","title":"Milwaukee 48-20-3918 5\/8in x 15in x 21in MX4 4-Cutter SDS-MAX Rotary Hammer Drill Bit","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-(--header-height)\" dir=\"auto\" data-turn-id=\"f6c9b940-7cea-418c-af52-99750555f02d\" data-testid=\"conversation-turn-213\" data-scroll-anchor=\"false\" data-turn=\"user\"\u003e\u003c\/section\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69725fb0-af2c-8328-a5aa-749b47d05ba3-1\" data-testid=\"conversation-turn-214\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"51808f56-69aa-4ee5-b9bc-d11bb75229a8\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"1unab40\" data-start=\"0\" data-end=\"19\"\u003e\u003cstrong data-start=\"4\" data-end=\"19\"\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"21\" data-end=\"443\"\u003eThe Milwaukee 5\/8in x 15in x 21in MX4 4-Cutter SDS-MAX Rotary Hammer Drill Bit is built for extreme durability and high performance in concrete with rebar and masonry applications. Featuring a solid head carbide tip, it delivers up to 5X longer life in reinforced concrete. The sharp centering tip ensures accurate spot drilling, while the 4-cutter design prevents lock-up when drilling through rebar, minimizing downtime.\u003c\/p\u003e\n\u003cp data-start=\"445\" data-end=\"715\"\u003eIts optimized flute design efficiently removes dust and debris, reducing heat buildup and improving drilling speed and efficiency. A wear mark indicator allows users to identify when the bit no longer meets ANSI standards, ensuring consistent performance on the jobsite.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"717\" data-end=\"738\"\u003e\u003cstrong data-start=\"721\" data-end=\"738\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"741\" data-end=\"797\"\u003eIdeal for concrete with rebar and masonry applications\u003c\/li\u003e\n\u003cli data-start=\"800\" data-end=\"873\"\u003eSolid head carbide delivers up to 5X longer life in reinforced concrete\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"945\"\u003eRebar guards provide maximum durability in hard aggregate and rebar\u003c\/li\u003e\n\u003cli data-start=\"948\" data-end=\"999\"\u003eSharp centering tip enables precise spot drilling\u003c\/li\u003e\n\u003cli data-start=\"1002\" data-end=\"1064\"\u003e4-cutter design prevents lock-up in rebar, reducing downtime\u003c\/li\u003e\n\u003cli data-start=\"1067\" data-end=\"1128\"\u003eOptimized flutes remove dust faster and reduce heat buildup\u003c\/li\u003e\n\u003cli data-start=\"1131\" data-end=\"1181\"\u003eDelivers up to 15% more holes per battery charge\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1249\"\u003eWear mark indicator shows end of life and ANSI compliance limit\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1285\"\u003eFits all SDS-MAX rotary hammers\u003c\/li\u003e\n\u003cli data-start=\"1288\" data-end=\"1341\"\u003eMeets ANSI B212.15 requirements for anchor drilling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5zbmnu\" data-start=\"1343\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1347\" data-end=\"1367\"\u003eWhat's Included:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1368\" data-end=\"1440\"\u003e\n\u003cli data-section-id=\"16teyf7\" data-start=\"1368\" data-end=\"1440\"\u003e\n\u003cp data-start=\"1370\" data-end=\"1440\"\u003e(1) 5\/8in x 15in x 21in MX4 4-Cutter SDS-MAX Rotary Hammer Drill Bit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"5zbmnu\" data-start=\"1343\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1347\" data-end=\"1367\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100.036%; height: 140px;\" class=\"product-dimensions-table\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 22.4px;\"\u003e\n\u003cth style=\"width: 45.3298%; height: 22.4px;\"\u003eSpecifications\u003c\/th\u003e\n\u003cth style=\"width: 43.5116%; height: 22.4px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable Length\u003c\/td\u003e\n\u003ctd\u003e15 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e21 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank Type\u003c\/td\u003e\n\u003ctd\u003eSDS-MAX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eConcrete, reinforced concrete, masonry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eANSI B212.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cstyle\u003e\n  .product-dimensions-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-family: Arial, sans-serif;\n    margin: 20px 0;\n    border: 1px solid #ddd;\n  }\n\n  .product-dimensions-table th,\n  .product-dimensions-table td {\n    border: 1px solid #ddd;\n    padding: 12px 15px;\n    text-align: left;\n  }\n\n  .product-dimensions-table thead {\n    background-color: #f7f7f7;\n  }\n\n  .product-dimensions-table th {\n    font-size: 16px;\n    font-weight: bold;\n    color: #222;\n  }\n\n  .product-dimensions-table td {\n    font-size: 14px;\n    color: #555;\n  }\n\n  .product-dimensions-table tr:nth-child(even) {\n    background-color: #fafafa;\n  }\n\n  .product-dimensions-table tr:hover {\n    background-color: #f1f1f1;\n  }\n\u003c\/style\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52893409804604,"sku":"48-20-3918","price":62.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/7734\/0988\/files\/Imagelayoutforwebsite-2026-03-18T114405.998.png?v=1773859451","url":"https:\/\/leotools.ca\/products\/milwaukee-48-20-3918-5-8in-x-15in-x-21in-mx4-4-cutter-sds-max-rotary-hammer-drill-bit","provider":"Leo Tools Ltd.","version":"1.0","type":"link"}