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The Busch® Inverted Cone Single-Cut Burs, ISO #040, are expertly designed to meet the exacting standards of professional jewelers and metalworkers. Renowned for their precision and durability, these burs feature an inverted cone shape that allows for precise metal removal, detailed seat cutting, and smooth surface finishing. Manufactured from high-grade tungsten vanadium steel, these burs offer exceptional strength and long-lasting sharpness. Each bur is carefully machined to ensure consistent, even cuts with every use. Proudly produced in Germany, they represent the pinnacle of quality and craftsmanship.
Featuring a standard 3/32" (2.38mm) diameter shank and an overall length of approximately 1-3/4" (44.5mm), these burs are versatile tools suitable for a wide range of jewelry making tasks. This package includes six burs, providing an ample supply for your workshop. Perfect for creating flat-bottomed undercuts, tapered slots, and initiating seats in irregularly shaped bezels, Busch® Inverted Cone Burs deliver the precision and performance essential for intricate jewelry fabrication. Elevate your craftsmanship with the trusted quality and reliability of the Busch® brand.
Brand: Busch®
Material: Tungsten Vanadium Steel
Shape: Inverted Cone
Cut Type: Single-Cut
ISO Standard: #040
Shank Size: 3/32" (2.38mm)
Head Diameter: 4.00mm
Head Length: 0.1575" (4.00mm)
Total Length: 1-3/4" (44.5mm)
Country of Origin: Germany
Quantity: 1/2 Dozen (6 burs)
About this Item:
Busch® burs are crafted from the highest quality tungsten vanadium steel, offering exceptional durability and cutting precision. Each bur features precision-machined, evenly spaced teeth designed for smooth, consistent cutting and finishing. These burs perform best at low speeds, ensuring optimal control and extended tool life.
How to Use:
Secure the bur into a rotary tool such as a flex shaft or Dremel. For best results, apply light pressure during use and utilize a lubricant like Busch Lube-Stik to reduce friction, minimize heat buildup, and prolong the lifespan of the bur.
Safety Information:
Always wear appropriate eye protection when operating rotary tools. After each use, clean the burs with a soft cloth and mild soap to maintain their sharpness and performance for long-term use.
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Features
High-Quality Tungsten Vanadium Steel
Engineered for superior durability, wear resistance, and long-lasting sharpness, delivering smooth and precise cutting performance on various metals and materials.
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Inverted Cone Design
Optimized for creating flat-bottomed undercuts, seat cuts, and cleaning bezel settings with excellent control and accuracy, minimizing material waste.
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Precision Machined Teeth
Single-cut, evenly spaced flutes ensure consistent, chatter-free cuts and smooth finishes, ideal for delicate and intricate jewelry work.
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ISO #040 Standard Head Size
Provides a perfectly sized cutting head for detailed seat cutting and metal shaping, meeting professional jewelry industry standards.
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Standard 3/32" (2.38mm) Shank
Compatible with most rotary tools, including flex shafts, micromotors, and Dremels, for versatile use in the workshop.
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Optimized for Low to Medium Speeds
Designed to perform best at controlled speeds, reducing heat buildup and preserving bur longevity while ensuring clean, precise cuts.
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Versatile Material Compatibility
Suitable for use on precious metals such as gold, silver, platinum, as well as base metals, wax, and resin for various jewelry fabrication needs.
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Made in Germany
Manufactured under strict quality standards to guarantee consistent performance and professional-grade reliability.
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Pack of 6 for Convenience and Value
Multipack allows for continuous workflow and easy replacement, ensuring you’re always ready for detailed jewelry tasks.
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Use with Lubricants for Enhanced Performance
Recommended use with Busch Lube-Stik or similar lubricants to reduce friction, extend tool life, and maintain sharpness.
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Easy to Maintain
Simple cleaning with mild soap and a soft cloth keeps burs in optimal condition for long-term use.
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