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Enhance your jewelry-making precision with the Busch® Burs Cone Square ISO #012 (1.20mm) — a professional-grade bur crafted from high-quality tungsten vanadium steel for superior durability, strength, and long-lasting performance. Ideal for detailed shaping, carving, engraving, and fine metalwork, this bur is designed to meet the exacting demands of professional jewelers and metalsmiths. The Cone Square shape with uniformly spaced, precision-machined teeth allows for controlled, clean cutting and a smooth finish across metals, ceramics, and glass. The ISO #012 (1.20mm) diameter makes it particularly well-suited for intricate tasks like stone setting and delicate detailing.
With a standard 3/32" shank, this bur is compatible with most rotary tools, including flex shafts and Dremels, offering seamless integration into your workflow. Whether you're refining fine jewelry or tackling custom engraving projects, the Busch® Cone Square bur delivers reliable, repeatable results.
| Attribute |
Details |
| Brand |
Busch® |
| Material |
Tungsten carbide |
| Shape |
Cone Square |
| Cutting Diameter |
ISO #012 – 1.20 mm |
| Bur Length |
4.50 mm |
| Shank Diameter |
3/32" (2.35 mm) – Standard rotary fit |
| Angle (α) |
6.0° |
| Pack Size |
1/2 dozen (6 pieces) |
| Country of Origin |
Germany |
| Applications |
Carving, shaping, engraving, polishing |
| Material Compatibility |
Metal, ceramic, glass |
| Tool Compatibility |
Flex shaft, Dremel, micro-motor rotary tools |
Product Highlights:
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Precision Performance – Cone Square design with fine, sharp cutting edges for clean, controlled shaping.
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Professional Quality – Crafted from tungsten carbide for maximum durability and resistance to wear.
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Ideal for Fine Detailing – ISO #012 (1.20mm) size is perfect for intricate tasks such as stone setting and engraving.
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Versatile Use – Works on precious metals, ceramics, and glass with minimal vibration or chatter.
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Tool Compatibility – 3/32" shank fits most common rotary tools for effortless integration into your workflow.
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German Engineering – Manufactured by Busch®, a leading name in professional jewelry tools.
How to Use:
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Insert the bur securely into your rotary tool (Dremel, flex shaft, etc.).
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Apply light, steady pressure to maintain control and avoid excessive heat buildup.
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For optimal performance and longevity, use with a lubricant such as Busch Lube-Stik.
Safety Information:
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Always wear protective eyewear when operating rotary tools.
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Clean burs with a soft brush and mild soap to prevent buildup and maintain sharpness.
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Store in a dry, secure place when not in use.
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Features
Premium Material: Constructed from high-grade tungsten vanadium steel for exceptional strength, durability, and long service life.
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Precision Cutting Performance: Engineered with a sharp, accurate cutting edge that delivers clean, smooth results for engraving, shaping, and detailing.
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Versatile Application: Perfect for stone setting, fine engraving, metal shaping, and other detailed jewelry-making techniques.
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Precision-Machined Teeth: Uniformly spaced and finely machined teeth ensure consistent cutting performance with minimal resistance or vibration.
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Available in Multiple Sizes: Part of a series offering diameters from 0.70mm to 3.10mm, accommodating both micro-detailing and broader tasks.
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Beginner to Expert Friendly: Designed for ease of use and control, making it ideal for both apprentice jewelers and seasoned professionals.
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Universal Compatibility: Standard 3/32" shank fits most rotary tools, including flex shafts, micro-motors, and Dremels.
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Professional Packaging: Sold in a 1/2 dozen (6-piece) pack for cost efficiency and convenience.
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Safe Operation: Always wear protective eyewear during use; clean the bur with a soft brush and mild solution to maintain performance and hygiene.
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