{"product_id":"2-0mm-diamond-hollow-cup-bur-100pcs","title":"2.0mm Hollow Cup Diamond Bur, 100pcs – 80 Grit Precision Carving Tool 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 {\n    font-size: 16px;\n    line-height: 1.6;\n    padding: 0 10px;\n  }\n}\n\u003c\/style\u003e\n\u003cp\u003e\u003cstrong\u003e2.0mm Hollow Cup Diamond Burs (100-Piece Bulk Pack, 80 Grit)\u003c\/strong\u003e are precision hollowing, round-rounding, and concave carving tools engineered for lapidary artists, jewelers, and glass carvers. Featuring a hollow cup concaved profile coated with high-grade 80 grit electroplated diamond on a standard 2.35mm (3\/32\") shank, these burs are perfect for shaping rounded cabochon tips, eyelet hollows, stone detailing, and glass etching.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Size:\u003c\/strong\u003e 2.0mm hollow cup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 80 Grit for fast, aggressive material removal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 2.35mm (3\/32\") standard rotary tool fit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100 pieces per bulk pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBond \u0026amp; Abrasive:\u003c\/strong\u003e Premium electroplated diamond coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Gemstone hollowing, bead eyelet shaping, concave carving, stone detailing, and glass engraving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways use water or coolant during operation to prolong tool longevity and maintain clean cutting performance.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":51039937003704,"sku":"BUR-HCUP-20MM-80G-100PK","price":10.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/Diamond_Hollow_Cup_Burs.jpg?v=1744421041","url":"https:\/\/lapidarygrinder.com\/pl-ca\/products\/2-0mm-diamond-hollow-cup-bur-100pcs","provider":"hanslapidarytool","version":"1.0","type":"link"}