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The Busch® Burs Vanadium Cup ISO #025 is expertly designed to deliver jewelers exceptional precision and durability for fine craftsmanship. Made from high-quality vanadium steel, these burs provide sharp, accurate cutting performance for clean, detailed work on both metals and gemstones. With a cutting diameter of 2.00 mm (inside) and 2.50 mm (outside), these cup-shaped burs are perfect for intricate jewelry shaping, polishing, and detailing, consistently delivering professional-quality results. A trusted staple in the toolkit of jewelers worldwide, this cup bur is ideal for delicate operations like carving, shaping, and smoothing prongs. The 3/32" (2.35 mm) shank fits most rotary tools—such as flex shafts or Dremels—offering optimal control and flexibility during use. Proudly manufactured in Germany, Busch® burs are renowned for their precision engineering and long-lasting performance, trusted by professionals globally.
Upgrade your jewelry-making toolkit with the Busch® Burs Vanadium Cup ISO #025, available in a convenient half-dozen pack (6 burs)—ideal for multiple projects. These versatile, professional-grade burs will help you achieve flawless finishes and make your creations stand out.
Brand: Busch®
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Product Type: Cup Bur
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ISO Number: #025
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Material: High-Quality Vanadium Steel
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Shape: Cup
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Cutting Diameter: 2.00 mm (inside) / 2.50 mm (outside)
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Shank Diameter: 3/32" (2.35 mm) – Standard for most rotary tools
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Quantity: 1/2 Dozen (6 Burs per Pack)
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Applications:
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Jewelry carving
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Shaping and smoothing prongs
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Polishing metal, ceramic, and glass surfaces
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Compatible Tools: Rotary handpieces, flex shafts, Dremel-type tools
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Lubrication Recommended: Yes – use with Busch Lube-Stik or similar
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Country of Origin: Germany
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Packaging: Secure blister or box pack for safe storage and handling
Usage Instructions
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Insert the bur securely into your rotary tool or flex shaft.
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Operate at recommended RPMs for your material (typically between 5,000 – 20,000 RPM).
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Apply gentle, consistent pressure—do not force the bur.
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Use lubrication to minimize heat and wear.
Safety & Maintenance
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Safety Gear: Always wear protective eyewear and a dust mask when working.
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Cleaning: After use, clean with a soft cloth and mild soap solution. Avoid harsh chemicals.
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Storage: Store in a dry, protective case to maintain bur sharpness and prevent corrosion.
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Features
High-Quality Vanadium Steel Construction
Engineered for superior durability and extended lifespan, providing consistent, professional-grade performance even under frequent use.
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Precise Cutting Dimensions
Features a 2.00 mm inside diameter and 2.50 mm outside diameter for clean, accurate cuts — ideal for detailed and delicate work.
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Cup-Shaped Head Design
Designed for smoothing prongs, rounding wire ends, and polishing intricate surfaces on jewelry, metals, ceramics, and glass.
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Standard 3/32" (2.35 mm) Shank Diameter
Universally compatible with most rotary tools, including flex shafts, Dremels, and micromotors for seamless integration into your workflow.
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Convenient Half-Dozen Pack (6 Burs)
Perfect for professional jewelers and hobbyists alike, offering enough quantity for multiple projects while maintaining consistent results.
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Made in Germany
Manufactured with precision and care in Germany — a trusted name in the jewelry industry for quality and reliability.
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Versatile Use Across Materials
Suitable for a wide range of applications including jewelry fabrication, stone setting, fine polishing, and prong finishing on metals, ceramics, and glass.
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