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The Busch® Round Burs – Fig. 1 – 5.50 mm (ISO #055) 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, curved surfaces, and detailed work. Ideal for both professional jewelers and hobbyists, these burs excel at engraving, deburring, drilling, and texturing metals like gold and silver. 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 tools, it is recommended to use a high‑quality lubricant such as Lube‑Stik, which enhances cutting efficiency, reduces heat, and minimizes tool wear. Each pack contains 6 precision engineered burs, meticulously crafted in Germany, known for their consistent quality, wear resistance, and durability.
Brand: Busch®
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Shape: Round (Fig. 1)
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Diameter: 5.50 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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ISO Classification: #055
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Maximum Safe Speed: Refer to packaging or manufacturer specs
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Lubrication: Strongly recommended for prolonged use and better cut quality
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Applications: Engraving, stone setting, drilling, deburring, shaping, and texturing jewelry and metals
About This Item
Busch® burs are expertly crafted in Germany using premium tungsten vanadium steel. Known for their long-lasting durability and wear resistance, these burs maintain smooth, even cuts even after extended use. The precisely machined cutting edges ensure optimal control, making them a go-to tool for delicate and complex jewelry work.
Whether you're working on gold, silver, platinum, or other metals, these burs are excellent for:
How to Use
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Insert into a compatible rotary tool (e.g., flex shaft, micromotor, Dremel)
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Apply steady, light pressure—avoid forcing the tool
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Use a lubricant (like Busch® Lube-Stik) to reduce heat, enhance performance, and prolong tool life
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Features
Premium Material: Manufactured from high-grade tungsten vanadium steel to ensure superior strength, durability, and resistance to wear under heavy use.
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Precision-Cut Teeth: Finely machined cutting edges allow for smooth, controlled, and accurate cutting, minimizing burring and tool chatter.
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High Performance: Designed to deliver consistently clean results, even at lower speeds, which helps protect delicate materials.
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Versatile Application: Perfect for engraving, shaping, texturing, drilling, deburring, and stone setting on precious metals like gold, silver, and platinum.
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Standard Fit: The 3/32" (2.35 mm) shank is compatible with most rotary tools including flex shafts, micromotors, and Dremels.
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Professional Grade: Trusted by jewelers, metalsmiths, watchmakers, and dental technicians for precision work.
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Optimal Lubrication: For best results and extended bur life, use with a cutting lubricant such as Busch® Lube-Stik.
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Time-Saving Pack: Includes 6 identically sized burs to reduce downtime during repetitive tasks or production runs.
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Made in Germany: Backed by German engineering standards for precision, quality control, and craftsmanship.
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ISO Certified: Clearly marked with ISO #055, ensuring easy identification and quality consistency.
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