The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendants. Coated with high-quality diamond particles, these burs deliver exceptional durability and sharp cutting performance, making them ideal for intricate work on hard materials like gemstones, metals, and ceramics.
Key Features:
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Concave Cylinder Design: Perfect for creating smooth, uniform curves in carving and grinding applications.
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Diamond-Enhanced Cutting: Electroplated diamond grit ensures rapid material removal and long-lasting sharpness, even on hard substrates like stainless steel or gemstones.
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Versatile Shank Sizes: Compatible with 3mm, 4mm, and 6mm rotary tools or arbor adapters for flexible workflow integration.
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Multi-Material Mastery: Effective on metals, ceramics, and brittle stones like turquoise or opal.
Technical Specifications:
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Shank Options: 3mm, 4mm, 6mm (standard sizes for most rotary tools).
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Grit Range: 150–1200 mesh for rough shaping to fine finishing.
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Coating: Electroplated diamond layers for consistent performance.
Ideal For:
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Hollowing bracelet interiors or refining ring band contours.
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Smoothing rough edges on diamond saw blades or grinding wheels.
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Pairing with flexible diamond discs for multi-stage polishing workflows.
Precautions:
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Material Suitability: Avoid excessive force on brittle materials to prevent chipping.
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Cooling: Use a water swivel adaptor to reduce heat during prolonged use.
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Tool Care: Refresh edges on a grinding wheel if sharpness diminishes.
Additional Resources:
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Achieve mirror finishes with diamond compound paste.
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Stabilize heavy-duty tasks using metal backing plates.