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The Busch® Inverted Cone Single-Cut Burs, ISO #010, are expertly engineered to meet the exacting standards of professional jewelers, metalsmiths, and precision craftsmen. Renowned for their accuracy and resilience, these burs feature an inverted cone shape that allows for controlled metal removal, precise seat cutting, and smooth surface refinement. Crafted from premium tungsten vanadium steel, they offer superior strength, wear resistance, and extended tool life. Each bur is precisely machined to ensure a uniform, clean cut with every use. Manufactured in Germany, Busch® Burs are widely recognized as the benchmark for quality and consistency.
Designed with a standard 3/32" (2.38mm) shank diameter and an overall length of approximately 1-3/4" (44.5mm), they are compatible with a wide range of rotary tools and flex shafts. This set includes six burs, making it ideal for both daily use and detailed project work. Perfect for creating flat-bottomed undercuts, angled recesses, and initial seat shaping in irregular bezels, the Busch® Inverted Cone Burs deliver the precision and reliability essential for fine jewelry fabrication. Elevate your work with the trusted performance of the Busch® brand.
Brand: Busch®
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Material: Tungsten Vanadium Steel
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Shape: Inverted Cone
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Cut Type: Single-Cut
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ISO Standard: #010
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Shank Size: 3/32" (2.38mm)
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Head Diameter: 1.00mm
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Head Length: 0.88mm
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Total Length: 1-3/4" (44.5mm)
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Country of Origin: Germany
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Quantity: 1/2 Dozen (6 Burs)
About This Item
Busch® Inverted Cone Burs are manufactured in Germany from premium tungsten vanadium steel for superior strength, precision, and durability. Each bur features uniform, machine-cut teeth that deliver clean, even cuts and fine finishes across a variety of metals and materials. Ideal for professional jewelers and metalsmiths, these burs are perfect for tasks such as seat cutting, undercutting, shaping, and surface detailing.
They are optimized for use at low to moderate speeds, offering maximum control and reduced vibration during intricate work.
How to Use
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Tool Compatibility: Insert the bur into a compatible rotary tool, such as a flex shaft, micromotor, or Dremel with a 3/32" collet.
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Application: Use light pressure and steady motion to avoid overheating or skipping.
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Lubrication: For smoother cutting and longer tool life, apply a lubricant such as Busch Lube-Stik or a suitable cutting wax.
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Speed Recommendation: Operate at lower RPMs for detailed work to maintain control and reduce wear.
Safety Information
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Eye Protection: Always wear safety glasses or protective goggles when using rotary burs.
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After Use: Clean the bur with a soft cloth and mild soap to remove debris and maintain cutting efficiency.
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Storage: Keep in a dry, protected case to prevent damage to the cutting edges.
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Use with Caution: Avoid excessive pressure or lateral force, which can cause breakage or damage to both the tool and the workpiece.
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Features
High-Quality Tungsten Vanadium Steel
Engineered for exceptional durability, wear resistance, and smooth cutting performance—ideal for demanding professional use.
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Inverted Cone Design
Optimized for precision seat cuts, undercutting, cleaning tight settings, and controlled metal removal in detailed work.
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Precision-Machined Teeth
Uniformly spaced, sharp cutting edges ensure consistent, clean cuts across a variety of metals and materials.
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ISO #010 Standard Size
Suitable for fine jewelry applications, offering the accuracy needed for intricate design elements and delicate detailing.
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Standard Shank Size – 3/32” (2.38mm)
Universally compatible with most rotary tools, including flex shafts, Dremels, and micromotors.
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Professional Length – Approx. 1-3/4” (44.5mm)
Offers excellent control and accessibility, especially in hard-to-reach or recessed areas.
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Made in Germany
Manufactured to the highest industry standards, ensuring unmatched quality and reliability.
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Convenient 6-Piece Pack
Includes six identical burs for uninterrupted workflow, backups, or multi-project efficiency.
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