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The Busch® Burs Cone Square ISO #023 is a professional-grade jewelry bur designed for high-precision tasks such as shaping, carving, engraving, and stone setting. Manufactured from durable tungsten vanadium steel, this bur ensures long-lasting strength, clean cuts, and smooth finishes—making it suitable for both hobbyists and experienced jewelers. Featuring a cone square shape with precision-machined, uniformly spaced teeth, the ISO #023 (2.30mm) bur provides superior control for fine detailing and delicate metalwork. It works effortlessly on metals, ceramics, and glass, delivering consistent and accurate results.
With a 3/32" shank diameter, it fits most standard rotary tools, including flex shafts and Dremels, making integration into your existing toolkit seamless. Whether you're setting gemstones, engraving intricate designs, or refining metal pieces, this bur will enhance the quality and efficiency of your work.
Material: Tungsten Carbide
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Shape: Cone Square
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ISO Size: #023
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Cutting Diameter: 2.30 mm
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Length: 6.00 mm
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Angle (α): 6.0°
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Shank Diameter: 3/32" (2.35 mm) – standard rotary tool size
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Pack Size: 1/2 Dozen (6 pieces)
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Applications:
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Country of Origin: Germany
Product Highlights:
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High-Quality Construction: Made from premium tungsten carbide for exceptional strength and durability.
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Precision-Machined Teeth: Uniformly spaced for smooth, clean cutting with minimal effort.
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Versatile Use: Ideal for stone setting, metal engraving, shaping, and intricate detailing in fine jewelry.
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Rotary Tool Compatible: Fits standard 3/32" shank rotary tools such as Dremel and flex shaft systems.
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Professional Grade: Trusted by jewelers, metalsmiths, and engravers worldwide.
How to Use:
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Mount the bur on a compatible rotary tool (e.g., Dremel, Foredom flex shaft).
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Use light, consistent pressure while working.
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For best results, apply a lubricant like Busch® Lube-Stik to reduce friction and extend tool life.
Safety Information:
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Always wear protective eyewear while using rotary burs.
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After use, clean the bur with mild soap and a soft cloth to maintain optimal cutting performance.
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Store in a dry, safe place to avoid damage.
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Features
Premium Tungsten Carbide Construction - Engineered from high-quality tungsten carbide for exceptional hardness, wear resistance, and extended tool life — ideal for demanding precision work.
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Sharp & Accurate Cutting Edge - Provides smooth, clean, and controlled cuts, minimizing burring and reducing the need for post-processing.
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Precision-Machined Teeth - Uniformly spaced teeth ensure even material removal and efficient cutting with minimal vibration.
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Professional-Grade Performance - Trusted by jewelers, metalsmiths, and stone setters for tasks requiring accuracy, including engraving, carving, and shaping.
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Versatile Applications - Perfect for working on a wide range of materials — including gold, silver, platinum, ceramics, and glass — for carving, stone setting, and detailing.
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Wide Size Range Available - Offered in diameters from 0.70mm to 3.10mm, allowing for fine detailing to larger surface shaping.
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Standard 3/32” Shank Compatibility - Fits seamlessly into most rotary handpieces, including Dremel, Foredom, and flex shaft tools.
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User-Friendly Control - Smooth operation makes it easy to handle for both beginners and experienced professionals, even during delicate tasks.
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Convenient Packaging - Sold in sets of 1/2 dozen (6 pieces), ideal for bench jewelers, students, and production studios.
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Safety First Design - Always wear protective eyewear and use with proper ventilation. Use a lubricant (like Busch® Lube-Stik) to reduce friction and extend tool life.
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