{"product_id":"4-0mm-diamond-teardrop-head-bur-100pcs","title":"4.0mm Teardrop Head 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\u003eThe \u003cstrong\u003e4.0mm Teardrop Head Diamond Bur, 100pcs\u003c\/strong\u003e is a fine rotary carving and profiling tool engineered for gemstone, stone, glass, and jewelry detailing. Featuring an electroplated 80 grit diamond coating on a standard 2.35mm (3\/32\") shank, the teardrop (flame\/pear) profile allows delicate undercutting, gentle contour rounding, and precise channel smoothing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 4.0mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Teardrop Head \/ Pear Shape\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 80 Grit precision diamond coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 2.35mm (3\/32\") standard rotary shank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 100-Pack (100 pieces)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBond Type:\u003c\/strong\u003e Electroplated diamond\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Lapidary carving, undercutting, cavity detailing, and contour shaping on jade, agate, quartz, glass, porcelain, and stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse with water lubrication or coolant during operation to prolong tool life and ensure smooth cuts.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":51039964266680,"sku":"BUR-TDRP-40MM-80G-100PK","price":17.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/Diamond_Teardrop_Burrs.jpg?v=1744420991","url":"https:\/\/lapidarygrinder.com\/pl\/products\/4-0mm-diamond-teardrop-head-bur-100pcs","provider":"hanslapidarytool","version":"1.0","type":"link"}