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The Diamond Bur 2.5 x 7mm Coarse is a premium, versatile rotary tool designed for fast and precise carving, shaping, and grinding of hard materials such as metal, stone, and glass. Equipped with a coarse diamond grit, this bur excels at aggressive material removal while allowing users excellent control over intricate work.
Its extended shank length provides enhanced reach and leverage, making it easier to access tight or hard-to-reach areas with precision. The bur’s robust construction ensures durability and longevity, even under demanding applications, making it an essential tool for jewelers, metalworkers, lapidaries, and glass artists.
Key Benefits:
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Coarse Diamond Grit: Delivers powerful cutting efficiency and fast material removal, ideal for heavy-duty grinding and shaping tasks.
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Long Shank Design: Provides improved reach and maneuverability, allowing precise control even in confined spaces.
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Durable Construction: Built to last with high-quality materials, ensuring consistent performance through repeated use.
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Versatile Application: Perfect for use on a wide variety of materials including metals, stones, and glass.
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Compatibility: Suitable for use with most rotary tools, including Dremel® and similar brands.
Head Size (Diameter x Length): 2.5mm x 7mm
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Shaft Diameter: 3/32″ (2.35mm)
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Shaft Material: Stainless Steel (corrosion-resistant for durability)
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Total Length: Approximately 44.5mm (1-3/4″)
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Diamond Grit: Coarse (approx. 80 grit)
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Bonding Method: Electroplated diamond abrasive coating for uniform grit distribution and extended lifespan
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Recommended Maximum RPM: Up to 30,000 RPM (depending on rotary tool specifications and material being worked)
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Compatible Rotary Tools:
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Suitable Materials:
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Recommended Use:
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Dry or wet applications (wet use advised to reduce heat and prolong tool life)
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Ideal for coarse grinding, shaping, deburring, carving, and engraving tasks
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Durability Features:
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Resistant to corrosion, wear, and breakage
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Tungsten carbide or stainless steel core (depending on model) provides strength and stability
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Balance and Performance:
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Precision-balanced for smooth operation and minimal vibration
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Designed for consistent, aggressive material removal
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Features
High-Quality Electroplated Diamond Particles: Ensures consistent grit coverage for efficient cutting and long-lasting performance.
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Coarse Grit (Approx. 80 Grit): Provides aggressive material removal for fast grinding, carving, and shaping.
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Durable Stainless Steel Shank: Corrosion-resistant and designed to withstand heavy-duty use without bending or breaking.
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Long Shank for Improved Reach and Control: Allows better access to tight or hard-to-reach areas and enhanced maneuverability.
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Versatile Application: Suitable for use on a variety of materials including stone, metal, ceramic, glass, and more.
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Compatible with Most Rotary Tools: Fits standard 3/32″ collets on tools like Dremel®, flex shafts, micromotors, and dental handpieces.
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Heat-Resistant Design: Electroplated diamond coating maintains sharpness and shape even under high-speed operation.
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Precision Balanced for Smooth Operation: Minimizes vibration and increases user comfort during prolonged use.
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Low Maintenance: Easy to clean and maintain, ensuring consistent performance over time.
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