{"product_id":"12pcs-diamond-grinding-burr-needle-set-2-3mm-shank-rotary-tool-bits","title":"12Pcs Diamond Grinding Burr Set – 2.3mm Rotary Tool Bits","description":"\u003cp\u003eUnlock precision craftsmanship with this \u003cstrong\u003e12-piece Diamond Grinding Burr Needle Set\u003c\/strong\u003e, designed for engraving, carving, grinding, and polishing a wide range of hard materials. Whether you're working on glass, jade, stone, ceramics, or mold cavities, these needle-point rotary tool bits deliver professional-grade performance for hobbyists and tradespeople alike.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love This Set\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile 12-Piece Kit:\u003c\/strong\u003e Includes a variety of needle-point diamond burr shapes, giving you the right bit for every carving, grinding, or polishing task.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.3mm Shank Diameter:\u003c\/strong\u003e Standard shank size compatible with most rotary tools, engraving machines, electric drills, and pneumatic grinders — just verify your machine's collet size before use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiamond-Coated Tips:\u003c\/strong\u003e Industrial diamond abrasive coating ensures superior hardness for working on glass, jade, stone, ceramics, and mold surfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Perfect for stone carving, hollow carved lines, jade carving and processing, glass engraving, mold cavity machining, cleaning casting\/forging\/welding seams, burrs, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New:\u003c\/strong\u003e Each set is 100% new and unused, ready for immediate use right out of the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 12 pieces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 2.3mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Diamond Grinding Burr Needle Points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Electric engraving machines, rotary tools, lifting mills, electric drills, pneumatic grinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Glass, jade, stone, ceramics, molds, metalwork\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Tools\u003c\/h2\u003e\n\u003cp\u003eThese burr bits can be installed in a wide variety of power tools including electric engraving machines, rotary tool systems, lifting mills, electric drills, and pneumatic grinders. Always confirm your tool's collet accepts a 2.3mm shank before purchasing.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease allow a 0–3mm tolerance due to manual measurement.\u003c\/li\u003e\n  \u003cli\u003eColors may vary slightly from product images due to monitor display differences.\u003c\/li\u003e\n  \u003cli\u003eAs these are supplied without individual packaging, minor surface marks on the shanks may occasionally occur — this does not affect performance or quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eYou May Also Like\u003c\/h2\u003e\n\u003cp\u003eLooking for more precision tools for your DIY and craft projects? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel, Fine-Toothed for Carpentry \u0026amp; Gardening\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush Set for Oil Painting, Dusting \u0026amp; Cleaning\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What materials can these diamond grinding burr bits work on?\u003c\/h4\u003e\n\u003cp\u003eA: These diamond burr needle-point bits are designed to work on a wide range of hard materials, including glass, jade, stone, ceramics, and various mold surfaces. They are also effective for cleaning up casting, forging, and welding edges, burrs, and weld seams.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What shank size do these rotary tool bits have, and will they fit my tool?\u003c\/h4\u003e\n\u003cp\u003eA: Each bit in this 12-piece set features a 2.3mm shank diameter. They are compatible with most standard rotary tools, electric engraving machines, pneumatic grinders, and electric drills. Please verify your machine's collet or chuck accepts a 2.3mm shank before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many pieces are included and what shapes are in the set?\u003c\/h4\u003e\n\u003cp\u003eA: The set includes 12 diamond grinding burr needles in a variety of needle-point shapes, giving you a comprehensive selection for engraving, carving, polishing, and detailed grinding work across different materials and project types.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What materials can these diamond grinding burr bits work on?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These diamond burr needle-point bits are designed to work on a wide range of hard materials, including glass, jade, stone, ceramics, and various mold surfaces. 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