{"product_id":"8mm-400grit-diamond-chamfering-countersink-drill-bit-3mm-shank","title":"8mm 400 Grit Diamond Chamfering Countersink Drill Bit – 3mm Shank for Tile, Glass, Ceramic \u0026 Stone","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\u003e8mm 400 Grit Diamond Chamfering Countersink Drill Bit (3mm Shank)\u003c\/strong\u003e is a fine-grit hole beveling, chamfering, and deburring tool engineered for tile, glass, ceramic, and stone. Featuring high-grade 400 grit electroplated diamond abrasive on a compact 3mm shank, this bit easily fits rotary tools, flex shafts, and drills to provide ultra-smooth, chip-free hole finishes, refined edge bevels, and pre-polished perimeters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 8mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrit:\u003c\/strong\u003e 400 Grit fine diamond for smooth, chip-free finishing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 3.0mm standard rotary shank\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 Fine edge chamfering, hole deburring, edge polishing, and beveling on ceramic tile, glass, porcelain, and stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor best results and extended tool lifespan, use with water lubrication or coolant during drilling.\u003c\/p\u003e","brand":"hanslapidarytool","offers":[{"title":"Default Title","offer_id":51046194905272,"sku":"DRL-CSK-CHM-8MM-400G-3S","price":6.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/3217\/9896\/files\/Diamond_Chamfering_Countersink_Bits.jpg?v=1744420465","url":"https:\/\/lapidarygrinder.com\/en-mx\/products\/8mm-400grit-diamond-chamfering-countersink-drill-bit-3mm-shank","provider":"hanslapidarytool","version":"1.0","type":"link"}