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The Busch® Round Burs – Fig. 1 – 4.70 mm (ISO #047) offer unparalleled precision and performance. Constructed from premium tungsten vanadium steel, these burs are designed for exceptional strength and longevity, ensuring reliable results in a variety of intricate tasks such as engraving, stone setting, and metal shaping.
The burs feature precision‑machined teeth that provide smooth, accurate cuts with every use. Their round shape (Fig. 1) offers versatility, enabling access to tight spaces and curved surfaces for detailed work. Ideal for both professional jewelers and hobbyists, these burs excel at engraving, deburring, drilling, and texturing metals such as gold, silver, and other non-ferrous materials. With an approximate length of 1‑3/4" and a 3/32" shank, they are compatible with standard rotary tools including flex shafts, micromotors, and Dremels.
To maximize performance and extend the lifespan of your burs, it is recommended to use a high-quality lubricant such as Lube‑Stik, which enhances cutting efficiency by reducing heat and friction. Each pack contains 6 robust burs, meticulously crafted in Germany, renowned for superior wear resistance, consistency, and durability.
Brand: Busch®
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Shape: Round, Fig. 1
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Diameter: 4.70 mm
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Material: Tungsten Vanadium Steel
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Shank Size: 3/32" (Fits standard rotary tools)
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Length: Approx. 1-3/4"
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Quantity: Pack of 6 burs
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Maximum Safe Speed: Refer to packaging for specific details
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Lubrication: Recommended for enhanced cutting efficiency
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ISO Classification: #047
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Applications: Ideal for engraving, deburring, drilling, stone setting, and texturing precious metals
About this Item
Busch® Round Burs are precision-crafted in Germany from premium tungsten vanadium steel for outstanding strength, wear resistance, and longevity. Their precision-cut teeth provide smooth, chatter-free cutting even at low speeds, making them perfect for delicate jewelry work, repairs, and finishing.
The rounded head design (Fig. 1) allows users to reach tight areas and work along contours, especially useful in stone setting, engraving intricate details, and shaping bezel seats. Whether you're a professional bench jeweler or a serious hobbyist, these burs offer consistent, high-quality performance.
How to Use
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Insert the bur into a standard rotary tool (e.g., flex shaft, micromotor, or Dremel) with a 3/32" collet.
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Begin at low speed, increasing as needed based on material and application.
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Apply light, controlled pressure to avoid overheating or stalling.
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For best results, apply Busch Lube-Stik or another cutting lubricant to reduce friction and extend tool life.
Safety Information
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Always wear protective eyewear and secure loose clothing or hair before operating rotary tools.
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Store burs in a dry, clean place to prevent corrosion.
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After use, clean burs with a soft cloth and mild detergent, then dry thoroughly.
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Features
Premium Material: Made from high-grade tungsten vanadium steel for superior durability, strength, and long-lasting edge retention.
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Precision-Cut Teeth: Delivers smooth, clean cuts with minimal vibration or burring—ideal for achieving fine detail in professional jewelry work.
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Versatile Round Shape: Perfect for stone setting, engraving, deburring, shaping, and texturing, especially in tight or curved areas.
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Standardized Dimensions: Approx. 1-3/4" overall length with a 3/32" (2.35 mm) shank—compatible with most rotary tools including Dremels, flex shafts, and micromotors.
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ISO Certified: Complies with ISO #047 standards, ensuring consistent size and performance across all burs in the set.
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Recommended Lubrication: Use with Busch Lube-Stik or similar cutting lubricant to reduce friction, heat, and wear during extended use.
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Efficient Workflow: High cutting performance even at low RPMs, preserving fine detail without sacrificing efficiency.
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Cost-Effective Pack: Sold in a set of 6 burs, offering excellent value for busy jewelers, metalsmiths, or dental technicians.
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Made in Germany: Precision engineered and manufactured to exacting standards, trusted worldwide for consistent quality and tool longevity.
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Multi-Material Compatibility: Ideal for use on precious metals (gold, silver, platinum), base metals, wax, acrylics, and some plastics.
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