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The Busch® Round Burs - Fig. 1 - 2.90 mm (ISO #029) deliver exceptional precision, durability, and performance for fine detail work. Expertly manufactured in Germany from high-quality tungsten vanadium steel, these burs are built to withstand demanding tasks while maintaining their sharpness and reliability over time. Whether you’re a professional jeweler or a dedicated hobbyist, these burs are an essential addition to your toolset.
Designed for intricate work such as engraving, stone setting, drilling, and metal shaping, their precision-machined cutting edges ensure smooth, accurate cuts and clean finishes, even at lower speeds.
The round Fig. 1 shape provides versatile functionality and easy access to tight or curved areas, making these burs ideal for a wide range of jewelry-making and metalsmithing applications. Each bur measures approximately 1-3/4" in length and features a standard 3/32" (2.35 mm) shank, ensuring compatibility with most rotary tools, including flex shafts, micromotors, and Dremels.
To achieve optimal performance and prolong tool life, it is recommended to use a quality lubricant such as Busch® Lube-Stik, which reduces heat and enhances cutting efficiency during operation.
Each pack contains 6 precision-engineered burs, offering excellent value and consistent performance. Proudly made in Germany, Busch® burs are trusted worldwide for their exceptional craftsmanship, precision, and wear resistance.
- Brand: Busch®
- Shape: Round (Fig. 1)
- Diameter: 2.90 mm
- Material: Premium Tungsten Vanadium Steel
- Shank Size: 3/32" (2.35 mm – Fits standard rotary tools)
- Length: Approx. 1-3/4" (44 mm)
- Quantity: Pack of 6 Burs
- ISO Classification: ISO #029
- Maximum Safe Speed: Refer to packaging or tool manufacturer for guidance
- Lubrication: Recommended for optimal performance and extended tool life
- Country of Origin: Made in Germany
- Applications: Perfect for engraving, drilling, deburring, shaping, texturing, and stone setting in jewelry making and fine metalwork
About this Item:
Busch® Round Burs (Fig. 1 – 2.90 mm) are precision-engineered tools crafted from high-performance tungsten vanadium steel, renowned for its durability, strength, and resistance to wear. These burs feature fine, precisely machined teeth that deliver smooth, consistent, and accurate cuts, even at low RPMs—making them ideal for delicate jewelry work and professional finishing tasks.
Whether you’re working with precious metals like gold, silver, platinum, or softer materials like wax or plastics, these round burs offer superior control, clean results, and exceptional longevity.
Ideal for both professional jewelers and advanced hobbyists, Busch® burs provide reliable performance for a wide range of tasks, including engraving, stone setting, deburring, drilling, texturing, and general metal shaping.
How to Use:
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Secure the bur into a rotary tool with a 3/32" (2.35 mm) collet or chuck (e.g., flex shaft, Dremel, micromotor).
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Use appropriate speeds based on the material and bur size. Always refer to tool or bur packaging for max RPM limits.
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Apply gentle, steady pressure—allow the bur’s sharp teeth to do the work.
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For best results and to reduce heat buildup, apply a lubricant such as Busch® Lube-Stik during use.
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Clean the bur after each session using a soft cloth or brush and mild soap.
Safety Information:
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Always wear protective eyewear during use to protect from metal shavings or tool kickback.
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Use in a well-ventilated workspace to minimize exposure to fine particles.
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Do not exceed recommended RPM to avoid damaging the tool or workpiece.
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Store burs in a dry, protective case to maintain sharpness and prevent corrosion.
Why Choose Busch® Burs?
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Made in Germany: Manufactured under strict ISO and industry standards for precision, consistency, and reliability.
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Exceptional Value: Pack of 6 ensures you have backups or replacements ready for high-volume projects.
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Professional-Grade Quality: Trusted by jewelers, dental technicians, and metalsmiths worldwide.
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Versatile Performance: Ideal for metalsmithing, wax carving, dental labs, watchmaking, and model making.
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Features
Premium Tungsten Vanadium Steel: Engineered from high-grade material for exceptional strength, sharpness retention, and resistance to wear and breakage.
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Precision-Cut Teeth: Provides smooth, accurate, and chatter-free cutting—ideal for fine detailing, reducing finishing time.
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Versatile Round Shape (Fig. 1): Allows for clean access to curved surfaces, undercuts, and tight spaces; suitable for a wide range of jewelry and metalworking tasks.
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Standard 3/32" Shank: Fits most rotary tools including Dremels, flex shafts, and micromotors for easy integration into your existing setup.
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Optimal Size for Control: Approximate 1-3/4" length offers excellent balance of reach and stability for precision work.
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Multipurpose Use: Perfect for engraving, deburring, drilling, texturing, stone setting, and shaping soft metals like gold, silver, platinum, and brass.
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Lubrication Recommended: Use with Busch® Lube-Stik or equivalent for reduced friction, cooler operation, and extended tool life.
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Professional-Grade Quality: Manufactured in Germany under strict quality standards, ensuring consistent performance and superior craftsmanship.
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Economical Pack: Includes 6 identical burs, ideal for repetitive tasks, backups, or stocking up your studio or workshop.
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