{"product_id":"100mm-diamond-area-5pcs-30mm-length-round-end-cylinder-diamond-drill-bits","title":"60mm Diamond Area Round End Cylinder Drill Bits – 5pcs 36 Grit, 100mm Length Rotary Tool for Gemstone, Glass \u0026 Jewelry","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill\" target=\"_blank\"\u003eDiamond Twist Drill Bits\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eare engineered for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-speed, precise drilling\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein ultra-hard materials like\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003eglass\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003eceramics\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003estone\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/faceting-polishing-lap\" target=\"_blank\"\u003egemstones\u003c\/a\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/metal-backing-plate\" target=\"_blank\"\u003ehardened alloys\u003c\/a\u003e. Featuring a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ediamond-coated spiral design\u003c\/strong\u003e, these bits deliver clean, smooth holes with minimal chipping or cracking, ideal for both industrial and artistic applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiamond-Coated Flutes\u003c\/strong\u003e:\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-abrasives\" target=\"_blank\"\u003eGalvanically bonded\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ediamond grit ensures rapid material penetration and extended tool life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTwist Design\u003c\/strong\u003e: Efficient chip removal and heat dissipation during high-speed drilling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Shank Sizes\u003c\/strong\u003e: Available with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e6mm shanks\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor compatibility with\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-carving-bur\" target=\"_blank\"\u003erotary tools\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill\" target=\"_blank\"\u003edrill presses\u003c\/a\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/flexible-diamond-disc\" target=\"_blank\"\u003eflexible shafts\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Applications\u003c\/strong\u003e: Perfect for creating holes in brittle or heat-sensitive substrates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLapidary \u0026amp; Jewelry\u003c\/strong\u003e: Drill\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/faceting-polishing-lap\" target=\"_blank\"\u003egemstones\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/faceting-polishing-lap\" target=\"_blank\"\u003ejade\u003c\/a\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003ecrystal beads\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGlass \u0026amp; Ceramics\u003c\/strong\u003e: Precision holes in\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003estained glass\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003eceramic tiles\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Use\u003c\/strong\u003e: Drilling\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/metal-backing-plate\" target=\"_blank\"\u003ehardened steel\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/\" target=\"_blank\"\u003ecomposite materials\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShank Sizes\u003c\/strong\u003e: 6mm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax RPM\u003c\/strong\u003e: 15,000 (use with\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/water-swivel-adaptor\" target=\"_blank\"\u003ewater cooling\u003c\/a\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compatibility\u003c\/strong\u003e: Mohs 7–10 substrates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eUsage Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e: Always use with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewater\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor coolant to prevent overheating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpeed Control\u003c\/strong\u003e: Do not exceed 15,000 RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePressure\u003c\/strong\u003e: Apply gentle, consistent force for optimal results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSafety\u003c\/strong\u003e: Wear\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/polishing-head-system\" target=\"_blank\"\u003eprotective goggles\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand masks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose These Bits?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision\u003c\/strong\u003e: Clean, burr-free holes with minimal material loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurability\u003c\/strong\u003e: Outperforms carbide or\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/www.lapidarytool.com\/\" target=\"_blank\"\u003esilicon carbide\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ebits on hard surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatility\u003c\/strong\u003e: Suitable for\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-carving-bur\" target=\"_blank\"\u003edelicate jewelry work\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noreferrer\" href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-core-drill\" target=\"_blank\"\u003eindustrial drilling\u003c\/a\u003e.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":41537899135022,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/4542\/4942\/files\/daceb371c3d906e7ee6120be0a3e3f31_48a5a2ac-ea20-46df-afeb-89c0a0a1d982.jpg?v=1757996046","url":"https:\/\/hanslapidarytool.com\/products\/100mm-diamond-area-5pcs-30mm-length-round-end-cylinder-diamond-drill-bits","provider":" Hans Lapidary Tool","version":"1.0","type":"link"}