{"product_id":"sds-max-4ct-mx4™-1-x-17-x-21","title":"SDS Max 4CT MX4™ 1\" X 17\" X 21\"","description":"\u003cp data-start=\"129\" data-end=\"443\"\u003eThe Milwaukee \u003cstrong data-start=\"143\" data-end=\"178\"\u003eSDS Max 4CT MX4™ 1\" x 17\" x 21\"\u003c\/strong\u003e is a \u003cstrong data-start=\"184\" data-end=\"311\"\u003eheavy-duty rotary hammer drill bit designed for drilling large-diameter holes in concrete, reinforced concrete, and masonry\u003c\/strong\u003e. It is built for high-demand applications where durability, speed, and reliability are critical—especially when encountering rebar.\u003c\/p\u003e\n\u003cp data-start=\"445\" data-end=\"780\"\u003eThis bit features a \u003cstrong data-start=\"465\" data-end=\"496\"\u003esolid carbide 4-cutter head\u003c\/strong\u003e, which is a major upgrade over traditional 2-cutter designs. The full-head carbide construction delivers \u003cstrong data-start=\"602\" data-end=\"679\"\u003esignificantly longer life and improved performance in reinforced concrete\u003c\/strong\u003e, helping prevent premature wear when hitting embedded rebar. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"782\" data-end=\"985\"\u003eThe \u003cstrong data-start=\"786\" data-end=\"807\"\u003e4-cutter geometry\u003c\/strong\u003e also reduces the chance of the bit “catching” or binding when drilling through rebar, minimizing downtime and improving operator control. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"987\" data-end=\"990\"\u003e\n\u003ch2 data-section-id=\"19ph6tl\" data-start=\"992\" data-end=\"1019\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"995\" data-end=\"1019\"\u003ePerformance \u0026amp; Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1021\" data-end=\"1573\"\u003e\n\u003cli data-section-id=\"8wgwxw\" data-start=\"1021\" data-end=\"1131\"\u003e\n\u003cstrong data-start=\"1023\" data-end=\"1045\"\u003eSolid carbide head\u003c\/strong\u003e → up to 5x longer life in concrete with rebar \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"u3se6\" data-start=\"1132\" data-end=\"1204\"\u003e\n\u003cstrong data-start=\"1134\" data-end=\"1150\"\u003eRebar guards\u003c\/strong\u003e → protect cutting edges in hard aggregate and steel\u003c\/li\u003e\n\u003cli data-section-id=\"bl6foz\" data-start=\"1205\" data-end=\"1271\"\u003e\n\u003cstrong data-start=\"1207\" data-end=\"1224\"\u003eCentering tip\u003c\/strong\u003e → accurate spot drilling and reduced walking\u003c\/li\u003e\n\u003cli data-section-id=\"10xsms1\" data-start=\"1272\" data-end=\"1382\"\u003e\n\u003cstrong data-start=\"1274\" data-end=\"1293\"\u003e4-cutter design\u003c\/strong\u003e → prevents lock-up and improves hole consistency \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qdd058\" data-start=\"1383\" data-end=\"1460\"\u003e\n\u003cstrong data-start=\"1385\" data-end=\"1411\"\u003eOptimized flute design\u003c\/strong\u003e → removes dust faster and reduces heat buildup\u003c\/li\u003e\n\u003cli data-section-id=\"e8ulhy\" data-start=\"1461\" data-end=\"1573\"\u003e\n\u003cstrong data-start=\"1463\" data-end=\"1486\"\u003eWear mark indicator\u003c\/strong\u003e → shows when the bit no longer meets ANSI spec \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1575\" data-end=\"1578\"\u003e\n\u003ch2 data-section-id=\"1l5w62a\" data-start=\"1580\" data-end=\"1602\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1583\" data-end=\"1602\"\u003eSize \u0026amp; Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1603\" data-end=\"1744\"\u003e\n\u003cli data-section-id=\"19jiiu\" data-start=\"1603\" data-end=\"1623\"\u003e\n\u003cstrong data-start=\"1605\" data-end=\"1618\"\u003eDiameter:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli data-section-id=\"1t0wd18\" data-start=\"1624\" data-end=\"1666\"\u003e\n\u003cstrong data-start=\"1626\" data-end=\"1660\"\u003eCutting depth (usable length):\u003c\/strong\u003e 17\"\u003c\/li\u003e\n\u003cli data-section-id=\"g2xlts\" data-start=\"1667\" data-end=\"1694\"\u003e\n\u003cstrong data-start=\"1669\" data-end=\"1688\"\u003eOverall length:\u003c\/strong\u003e 21\"\u003c\/li\u003e\n\u003cli data-section-id=\"9wou2c\" data-start=\"1695\" data-end=\"1744\"\u003e\n\u003cstrong data-start=\"1697\" data-end=\"1707\"\u003eShank:\u003c\/strong\u003e SDS Max (for large rotary hammers)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1746\" data-end=\"1749\"\u003e\n\u003ch2 data-section-id=\"1gwu3tt\" data-start=\"1751\" data-end=\"1768\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1754\" data-end=\"1768\"\u003eIdeal For:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1769\" data-end=\"1972\"\u003e\n\u003cli data-section-id=\"jkdwvn\" data-start=\"1769\" data-end=\"1799\"\u003eStructural anchor drilling\u003c\/li\u003e\n\u003cli data-section-id=\"1fo1fm3\" data-start=\"1800\" data-end=\"1823\"\u003eConcrete with rebar\u003c\/li\u003e\n\u003cli data-section-id=\"1akwrno\" data-start=\"1824\" data-end=\"1875\"\u003eCommercial construction and infrastructure work\u003c\/li\u003e\n\u003cli data-section-id=\"fn7ykk\" data-start=\"1876\" data-end=\"1911\"\u003eDeep hole drilling applications\u003c\/li\u003e\n\u003cli data-section-id=\"11vb6dc\" data-start=\"1912\" data-end=\"1972\"\u003eHeavy-duty mechanical, electrical, and plumbing installs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":52411725938977,"sku":"48-20-3954","price":57.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1905\/1041\/files\/48-20-3953-3.jpg?v=1776288410","url":"https:\/\/standardvmi.com\/products\/sds-max-4ct-mx4%e2%84%a2-1-x-17-x-21","provider":"Standard Plumbing Supply","version":"1.0","type":"link"}