The Diamond Twist Drill Bits are engineered for high-speed, precise drilling in ultra-hard materials like glass, ceramics, stone, gemstones, and hardened alloys. Featuring a diamond-coated spiral design, these bits deliver clean, smooth holes with minimal chipping or cracking, ideal for both industrial and artistic applications.
Key Features
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Diamond-Coated Flutes: Galvanically bonded diamond grit ensures rapid material penetration and extended tool life.
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Twist Design: Efficient chip removal and heat dissipation during high-speed drilling.
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Multi-Shank Sizes: Available with 3mm or 6mm shanks for compatibility with rotary tools, drill presses, and flexible shafts.
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Versatile Applications: Perfect for creating holes in brittle or heat-sensitive substrates.
Applications
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Lapidary & Jewelry: Drill gemstones, jade, or crystal beads.
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Glass & Ceramics: Precision holes in stained glass or ceramic tiles.
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Industrial Use: Drilling hardened steel or composite materials.
Technical Specifications
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Shank Sizes: 3mm, 6mm.
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Max RPM: 15,000 (use with water cooling).
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Material Compatibility: Mohs 7–10 substrates.
Usage Guidelines
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Cooling: Always use with water or coolant to prevent overheating.
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Speed Control: Do not exceed 15,000 RPM.
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Pressure: Apply gentle, consistent force for optimal results.
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Safety: Wear protective goggles and masks.
Why Choose These Bits?
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Precision: Clean, burr-free holes with minimal material loss.
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Durability: Outperforms carbide or silicon carbide bits on hard surfaces.
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Versatility: Suitable for delicate jewelry work and industrial drilling.