{"product_id":"60mm-diamond-core-drill-bit-tile-stone-concrete","title":"60mm Sintered Diamond Core Drill Bit 2pcs for Granite, Tile, Concrete","description":"\u003cp\u003eOur \u003cstrong\u003e60mm Sintered Diamond Core Drill\u003c\/strong\u003e is a professional-grade metal-bonded diamond drilling tool engineered for precision, long-life core drilling in stone, glass, ceramic, gemstones, and hard minerals. Unlike electroplated bits with a single diamond layer, sintered core drills have diamonds distributed throughout the full depth of the metal matrix — as the cutting face wears, fresh diamonds are continuously exposed for consistent cutting performance from first use to last. Sold in a convenient \u003cstrong\u003e2-piece set\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eCompatible Materials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNatural stone — marble, granite, slate, sandstone, agate, jasper\u003c\/li\u003e\n\u003cli\u003eGlass — art glass, fused glass, plate glass, stained glass\u003c\/li\u003e\n\u003cli\u003eCeramics — technical ceramics, porcelain tile, fired clay\u003c\/li\u003e\n\u003cli\u003eGemstones — hard minerals, lapidary stones, rough specimens\u003c\/li\u003e\n\u003cli\u003eEngineered stone — quartz composite, terrazzo, concrete\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSintered vs. Electroplated\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSintered Diamond\u003c\/th\u003e\n\u003cth\u003eElectroplated Diamond\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiamond distribution\u003c\/td\u003e\n\u003ctd\u003eThroughout full matrix depth\u003c\/td\u003e\n\u003ctd\u003eSingle surface layer only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLongevity\u003c\/td\u003e\n\u003ctd\u003e5–20x longer than electroplated\u003c\/td\u003e\n\u003ctd\u003eStandard service life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCost per hole\u003c\/td\u003e\n\u003ctd\u003eLower over time\u003c\/td\u003e\n\u003ctd\u003eHigher replacement frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eProfessional and high-volume use\u003c\/td\u003e\n\u003ctd\u003eLight-duty and occasional use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eUsage Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAlways use \u003cstrong\u003ewet\u003c\/strong\u003e — water cooling prevents overheating and maximizes drill life\u003c\/li\u003e\n\u003cli\u003eUse low to medium speed: \u003cstrong\u003e300–1,200 RPM\u003c\/strong\u003e depending on diameter\u003c\/li\u003e\n\u003cli\u003eApply steady, moderate pressure without forcing\u003c\/li\u003e\n\u003cli\u003eUse a water swivel adaptor for continuous flow through the hollow shank\u003c\/li\u003e\n\u003c\/ul\u003e","brand":" Hans Lapidary Tool","offers":[{"title":"Default Title","offer_id":42330774700078,"sku":null,"price":92.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/hanslapidarytool.com\/products\/60mm-diamond-core-drill-bit-tile-stone-concrete","provider":" Hans Lapidary Tool","version":"1.0","type":"link"}