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The Busch® Pointed Burs FIG 5, 4.20mm (ISO #042) are premium precision tools engineered for professional jewelers and metalworkers. Crafted in Germany from high-grade tungsten vanadium steel, these burs are known for their exceptional durability, strength, and wear resistance, ensuring long-lasting performance even during intensive use. With a 4.20mm diameter and finely pointed design, these burs are perfect for intricate carving, shaping, and engraving on various materials, including gold, silver, platinum, brass, and other precious or non-precious metals. Their uniformly spaced, sharp teeth provide smooth and accurate cuts, minimizing surface imperfections and reducing the need for finishing work. The burs are precision-machined to meet the ISO #042 standard, ensuring international consistency, dimensional accuracy, and professional-grade reliability. Each pack includes 6 burs, offering excellent value for jewelers, engravers, and metalsmiths who rely on high-performance tools. For best results and longer tool life, use with a lubricant, such as Busch Lube-Stik, and follow safe RPM guidelines indicated on the packaging. These burs are compatible with most rotary tools, including Dremel, Foredom, and flex shafts, thanks to their 3/32" (2.35mm) shank and 1-3/4" overall length.
- Brand: Busch®
- Product Type: Pointed Burs (FIG 5)
- Diameter: 4.20 mm
- Length:
- Shank Diameter: 3/32"
- Quantity: 1/2 Dozen (6 burs per pack)
- Material: Premium Tungsten Vanadium Steel
- Design: Pointed tip for precise shaping, carving,
and detailing
- Application: Designed for fine engraving, detailing, and
shaping of various jewelry components
- Durability: Exceptional wear resistance for prolonged tool
life
- ISO Classification: #042
- Maximum Safe Speed: Varies by size (refer to packaging
for specific details)
- Angle: 42°
- Lubrication: Recommended for enhanced cutting efficiency
and tool longevity
About this Item:
Busch®
burs are expertly crafted from premium tungsten vanadium steel, engineered to
maintain smooth, even cuts and deliver a flawless finish. Their fine teeth and
precise cutting edges make them ideal for detailed jewelry work and repairs,
offering reliable performance even at low speeds.
Recommended Use:Perfect for engraving, detailing, and shaping precious metals and other jewelry components. Suitable for use with rotary tools such as flex shafts and Dremels. Usage Tips:
-
Secure in a compatible handpiece with a 3/32" collet
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Apply gentle pressure during use
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For best results and extended tool life, use a lubricant such as Busch Lube-Stik
Safety & Maintenance:
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Always wear protective eyewear during operation
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Clean burs with mild soap and a soft cloth after use to maintain cutting quality
-
Refer to product packaging for maximum safe speed specifications
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Features
- Precision Pointed Design - The 4.20 mm pointed tip (42° angle) allows for intricate, high-precision work—perfect for fine engraving, carving, and detailed shaping in tight or delicate areas.
- Pack of 6 - Each pack includes 6 burs, providing a cost-effective, ready-to-use supply for jewelers and artisans—reducing downtime from frequent reordering.
- High-Quality Steel Construction - Crafted from premium tungsten vanadium steel, these burs deliver superior cutting performance with minimal wear, even under continuous use.
- ISO #042 Certified - Manufactured to ISO #042 standards, ensuring consistent, professional-grade quality and compatibility with global industry requirements.
- Versatile Material Compatibility - Engineered for use on a variety of precious and non-precious metals, including gold, silver, platinum, and more—ideal for multi-purpose jewelry applications.
- Smooth, Efficient Cutting Action - Fine-toothed edges provide clean, controlled cuts with minimal pressure, helping achieve a polished, professional finish every time.
- Durable & Reliable - Designed for long-term use, these burs offer dependable performance in both fine detail work and broader engraving tasks—making them a trusted tool for professionals.
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