{"product_id":"12mm-30deg-diamond-countersink-drill-bit-6mm-shank-5pcs","title":"12mm 30° Countersink Diamond Drill Bit, 5pcs – 30 Grit, 6mm Shank for Stone, Glass \u0026 Tile","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\u003e12mm 30° Countersink Diamond Drill Bit, 5pcs\u003c\/strong\u003e is a heavy-duty, fast-cutting countersinking and beveling tool engineered for stone, glass, ceramic, and tile. Featuring an aggressive 30 grit electroplated diamond coating on a rigid 6mm shank with a 30-degree cone angle, this 5-piece set is ideal for deburring holes, creating steep chamfers, and enlarging holes without cracking or chipping delicate materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 12mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCone Angle:\u003c\/strong\u003e 30°\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 30 Grit extra coarse diamond for aggressive cutting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 6mm standard drill \/ rotary shank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5-Pack (5 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 Edge beveling, hole deburring, countersinking, and hole enlarging on granite, marble, stone, tile, ceramic, and glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best cutting performance and tool longevity, always operate with water coolant or lubrication.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":51430617514168,"sku":"DRL-CSK-30D-12MM-30G-5PK","price":13.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/Diamond_Countersink_Bit.jpg?v=1744420597","url":"https:\/\/lapidarygrinder.com\/en-mx\/products\/12mm-30deg-diamond-countersink-drill-bit-6mm-shank-5pcs","provider":"hanslapidarytool","version":"1.0","type":"link"}