Busch Fig. 1 Ball Burs 4.00mm-8.50mm

Busch Fig. 1 Ball Burs are the industry standard for precision and quality. Manufactured in Germany from high-grade tungsten vanadium steel, these burs are produced to extremely tight tolerances, ensuring smooth cutting action and exceptional durability. Busch is one of the most trusted names in jewelers’ tools, renowned for consistent performance and longevity.

These larger sizes (4.0 mm and above) are ideal for heavy cutting, shaping, and texturing work on precious and non-precious metals. Each bur features a precisely formed ball shape with accurate concentricity for vibration-free operation and longer tool life.

Key Features

• Made in Germany by Busch – the world’s leading bur manufacturer
• Fig. 1 ball bur profile (European & USA standard)
• High-quality tungsten vanadium steel for clean, consistent cutting
• Accurately machined and balanced for precision work
• Sizes 4.0 mm and above are sold individually

Available Large Sizes

Applications

• Ideal for shaping, texturing, and hollowing metal surfaces
• Used in jewelry, dental, and precision metalworking
• Compatible with standard 3/32" (2.35 mm) shank handpieces and micromotors

Notes

Busch burs under 4.0 mm are sold in multiples of six. Sizes 4.0 mm and larger are sold individually. For best results, operate at moderate speed with appropriate lubrication.

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Cancer and Reproductive Harm. www.P65warnings.ca.gov.