{"product_id":"3-step-diamond-hole-cutter","title":"3-Step Diamond Hole Cutter","description":"\u003ch2\u003e\u003cb\u003e3-Step Diamond Hole Opener — Fast, Clean, and Built to Last\u003c\/b\u003e\u003c\/h2\u003e\u003ch3\u003e\u003cb\u003eOne Tool, Three Sizes\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eDrill or enlarge crisp, round openings with a single stepped design—\u003cb\u003e20mm (0.79in)\u003c\/b\u003e, \u003cb\u003e35mm (1.38in)\u003c\/b\u003e, and \u003cb\u003e50mm (1.97in)\u003c\/b\u003e. Each step features approx. \u003cb\u003e12mm (0.47in)\u003c\/b\u003e cutting height for stable guidance and low chip breakout.\u003c\/p\u003e\u003cp style=\"margin:0;display: block;width: 100%;\"\u003e \u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251106173833\/a34daf386d2b4ecf7e7f22f3cab91f80.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eHeavy-Duty Diamond Performance\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eMulti-layer diamond abrasive bites smoothly into tough materials for \u003cb\u003efast penetration\u003c\/b\u003e, \u003cb\u003ecool grinding\u003c\/b\u003e, and \u003cb\u003eextended lifespan\u003c\/b\u003e—ideal for repeated, professional use.\u003c\/p\u003e\u003cp style=\"margin:0;display: block;width: 100%;\"\u003e \u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251106173833\/48c4d3fd232e73e323548c3d811bde60.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eM10 Universal Mount\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eCompatible with \u003cb\u003eangle grinders\u003c\/b\u003e and \u003cb\u003eelectric hand drills\u003c\/b\u003e (drills require an adapter). Quick to install, no special skills needed—perfect for contractors and DIYers alike.\u003c\/p\u003e\u003cp style=\"margin:0;display: block;width: 100%;\"\u003e \u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251106173833\/16d54502147c846f1e37c9e6b4c1ac7a.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eFor Hard Surfaces\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eDesigned for \u003cb\u003eceramic tile, porcelain, slate, marble, granite, quartz, concrete\u003c\/b\u003e, and more. Achieve smooth edges and accurate holes for faucets, cable pass-throughs, countertops, and renovation tasks.\u003c\/p\u003e\u003cp style=\"margin:0;display: block;width: 100%;\"\u003e \u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251106173833\/5a6381fb59e0d607176628cc6849f70d.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eImagine This…\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eMark your center, engage the first step, and feel the tool glide with a \u003cb\u003esolid, low-vibration\u003c\/b\u003e touch. Step down as needed to reach 35mm or 50mm—no bit changes, no guesswork, just \u003cb\u003eclean, round holes\u003c\/b\u003e in minutes.\u003c\/p\u003e\u003cp style=\"margin:0;display: block;width: 100%;\"\u003e \u003c\/p\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/wxalbum-10001658-file.dianxiaomi.com\/wxalbum\/1332898\/20251106173833\/99eb8f8d3160c602b70cf4990f1df9bf.jpg\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\t\u003ctbody\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eStepped Diamond Core Drill Bit \/ Hole Opener\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eInterface\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eM10\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eStep Sizes\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003e20mm (0.79in), 35mm (1.38in), 50mm (1.97in)\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eStep Height\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eApprox. 12mm (0.47in) per step\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eRecommended Tools\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eAngle Grinder; Electric Hand Drill (with M10 adapter)\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eSuitable Materials\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eCeramic Tile, Porcelain, Slate, Marble, Granite, Quartz, Concrete\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\t\u003ctr\u003e\t\t\t\u003ctd\u003e\u003cb\u003eOperation\u003c\/b\u003e\u003c\/td\u003e\t\t\t\u003ctd\u003eDry or Wet (water cooling recommended for longer life)\u003c\/td\u003e\t\t\u003c\/tr\u003e\t\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003e\u003cb\u003eFAQ\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ1: Does it fit my drill?\u003c\/strong\u003e\u003cbr\u003eA: The bit uses an \u003cb\u003eM10\u003c\/b\u003e thread. Angle grinders with M10 mount fit directly. Electric drills need an \u003cb\u003eM10-to-3\/8\" adapter\u003c\/b\u003e (select the bundle option).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ2: Can I drill through porcelain tile and granite?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Use low to moderate speed with light feed pressure. For very hard porcelain or granite, apply \u003cb\u003ewater cooling\u003c\/b\u003e to reduce heat and extend tool life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ3: How do I get clean edges?\u003c\/strong\u003e\u003cbr\u003eA: Start perpendicular, let the first step establish the circle, then progress to larger steps. Avoid excessive force; allow the diamond to cut. Taping the surface and using water helps minimize chipping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ4: Is this for making new holes or enlarging existing ones?\u003c\/strong\u003e\u003cbr\u003eA: Both. The stepped shape is excellent for \u003cb\u003eenlarging\u003c\/b\u003e pre-drilled holes and for \u003cb\u003enew holes\u003c\/b\u003e in stone and tile.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ5: What if I only need one size?\u003c\/strong\u003e\u003cbr\u003eA: Choose a single-size listing or use the 3-in-1 stepped bit to cover future tasks—often more cost-effective over time.\u003c\/p\u003e","brand":"mysite","offers":[{"title":"[M10] Step Drill Bit","offer_id":57492565000579,"sku":"44689459445951","price":14.95,"currency_code":"USD","in_stock":true},{"title":"[M10] Step Drill Bit + Extension Rod","offer_id":57492565033347,"sku":"44689459478719","price":16.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/1479\/7955\/files\/a34daf386d2b4ecf7e7f22f3cab91f80.jpg?v=1772604536","url":"https:\/\/longift.com\/products\/3-step-diamond-hole-cutter","provider":"LONGIFT","version":"1.0","type":"link"}