The Diamond Donut Burrs are uniquely designed with a slightly concave profile and a gradually raised central point, enabling precise carving of rings or donut shapes in pre-drilled stones, crystals, and hard materials. Available in diameters from 12mm to 50mm with an 80# grit and 6mm shank, these burrs are ideal for gemstones, jade, crystal, hardwoods, bone, ceramic, glass, and stone.
Key Features
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Concave Design: Creates smooth, uniform rings or donut shapes in pre-drilled materials.
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Diamond-Coated Grit: Galvanically bonded diamonds ensure rapid material removal and durability.
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Multi-Size Range: Diameters from 12mm to 50mm for versatile applications.
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6mm Shank: Compatible with most rotary tools and flexible shafts.
Applications
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Lapidary & Gemology: Carve rings in gemstones, jade, or crystal.
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Industrial Use: Precision work on glass or stone components.
Technical Specifications
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Grit: 80# (coarse for rapid shaping).
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Shank: 6mm (fits standard rotary tools).
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Diameter Options: 12mm, 16mm, 20mm, 26mm, 30mm, 32mm, 36mm, 40mm, 45mm, 50mm.
Why Choose Diamond Donut Burrs?
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Specialized Geometry: Unique concave design simplifies ring/donut carving.
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Versatility: Effective on materials from soft wood to hardened stone.
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Efficiency: Reduces time compared to manual carving methods.