{"product_id":"3-175mm-tipped-cylinder-diamond-bur-10pcs","title":"3.175mm Tipped Cylinder Diamond Bur – 10pcs for Gemstone, Stone \u0026 Glass","description":"\u003cstyle\u003e\n\/* 超链接样式 *\/\na {\n  text-decoration: none;\n  color: inherit;\n  transition: all 0.3s ease;\n}\na:hover {\n  text-decoration: underline;\n}\n@media only screen and (max-width: 768px) {\n  body { font-size: 16px; line-height: 1.6; padding: 0 10px; }\n  a { word-break: break-word; font-size: 16px; }\n  img { max-width: 100%; height: auto; }\n  table { width: 100%; display: block; overflow-x: auto; }\n}\n\u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/lapidarygrinder.com\/collections\/diamond-coated-needle-file\"\u003eDiamond Drill Bits\u003c\/a\u003e\u003c\/strong\u003e are \u003ca href=\"https:\/\/lapidarygrinder.com\/products\/5g-8000grit-diamond-polishing-lapping-paste-compound-precision-finishing-for-hard-materials\"\u003eprecision\u003c\/a\u003e tools for fine detailing and material processing. Discover the versatility of diamond drill bits, designed with durable diamond grit for aggressive cutting, precise shaping, and long-lasting performance. Available in multiple grits—coarse (40, 60, 80, 120) for rapid material removal, and fine (240, 600, 1200) for detailed engraving and polishing. These tools suit \u003cstrong\u003elapidary artists, jewelers, sculptors, and precision craftsmen.\u003c\/strong\u003e Ideal for ultra-hard materials like \u003cstrong\u003ewood, glass, ceramics, jade, hardened steel, and semi-precious stones\u003c\/strong\u003e, these diamond drill bits excel in both rough shaping and fine detailing. The shaft diameter is 1\/8\" (3.175mm).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicon Abrasive Points\u003c\/strong\u003e for polishing and fine detailing on metals, ceramics, and glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBullet Head Drill Bur\u003c\/strong\u003e – ideal for detailed engraving and material removal on metals and stones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConical Countersink\u003c\/strong\u003e – perfect for creating countersinks or chamfers on metals and ceramic surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcave Cylinder\u003c\/strong\u003e – used for shaping and smoothing cylindrical surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcave Bead\u003c\/strong\u003e – specialized for bead carving and intricate curved patterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Head and Round End Cylinder\u003c\/strong\u003e – versatile for general shaping, engraving, and surface finishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiamond Coated Bur Sets\u003c\/strong\u003e – for precise drilling, shaping, sanding, carving, and engraving across metals, gemstones, ceramics, and glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDonut\u003c\/strong\u003e – circular shaping and smoothing for metals and glass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEgg\u003c\/strong\u003e – for rounded engraving and sculpting detailed curves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Round Drum\u003c\/strong\u003e – used for flat surface grinding and contour shaping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Bevel Edge\u003c\/strong\u003e – ideal for creating sharp, precise edges on metal, stone, and ceramic surfaces; perfect for chamfering, beveling, and decorative detailing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Disc\u003c\/strong\u003e – ideal for smoothing and polishing flat areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Wheel\u003c\/strong\u003e – versatile for grinding edges and small flat surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlame Head\u003c\/strong\u003e – perfect for intricate engraving, tapering, and decorative shaping.\u003c\/li\u003e\n\u003cli\u003eSpecialty hollowing: \u003cstrong\u003eHollow Cup, Tapered Inverted Cone Hollow\u003c\/strong\u003e – for deep cutting, hollowing, and engraving.\u003c\/li\u003e\n\u003cli\u003eUnique profile bits: \u003cstrong\u003eInverted Trapezoid, Tapered Rounded End Cylinder Bit\u003c\/strong\u003e – allow unique profiles and smooth edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMushroom Head\u003c\/strong\u003e – ideal for creating rounded, convex surfaces and smoothing concave areas on metals and stones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeedle Shape\u003c\/strong\u003e – perfect for precision engraving, pinpoint drilling, and fine detailing work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Shape Head\u003c\/strong\u003e – designed for sharp, concentrated cutting and deep engraving on hard materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Rounding Drill Bits\u003c\/strong\u003e – used for smoothing edges of rings and circular profiles, ideal for jewelry finishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSand Suction Eye\u003c\/strong\u003e – specialized for suction-assisted sanding and finishing of small cavities or eyelets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist Head Drill Bits\u003c\/strong\u003e – versatile bits for twisting, contouring, and detailed carving in hard materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor optimal results, use a variable-speed grinder to control speed and prevent overheating. Wet grinding with water swivel adaptors extends tool life and improves cutting efficiency. Clean bits with a soft brush and store in dry conditions to maintain performance.\u003c\/p\u003e\n\u003cp\u003eWhether carving gemstones, engraving jewelry, or shaping delicate sculptures, diamond drill bits deliver professional-quality results with unmatched durability and precision.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":53807058157752,"sku":null,"price":10.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/20260724114005_469_1.png?v=1784955086","url":"https:\/\/lapidarygrinder.com\/pl\/products\/3-175mm-tipped-cylinder-diamond-bur-10pcs","provider":"hanslapidarytool","version":"1.0","type":"link"}