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The Busch® Inverted Cone Single-Cut Burs, ISO #027 are expertly engineered to fulfill the demanding requirements of professional jewelers, metalworkers, and artisans. Featuring a precisely designed inverted cone shape, these burs excel in controlled metal removal, detailed seat cutting, and smooth surface finishing. Manufactured from premium tungsten vanadium steel, they combine exceptional strength with lasting sharpness and reliability.
Each bur is meticulously precision-machined to deliver a consistent, even cut every time, ensuring superior performance and clean results. Proudly made in Germany, these burs uphold the highest standards of quality, making them a trusted choice for fine jewelry fabrication and metalworking projects.
With a standard 3/32" (2.38mm) diameter shank and an overall length of approximately 1-3/4" (44.5mm), these burs are compatible with most rotary tools, including flex shafts, micromotors, and Dremel handpieces. This set contains six burs, providing an ample supply to maintain your workflow and support multiple projects.
Ideal for creating flat-bottomed undercuts, tapering slots, and initiating seats in irregularly shaped bezels, Busch® Inverted Cone Burs deliver the precision and control required for intricate, high-quality jewelry work. Elevate your craftsmanship with the dependable performance and renowned quality of the Busch® brand.
Brand: Busch®
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Material: Tungsten Vanadium Steel
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Shape: Inverted Cone
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Cut Type: Single-Cut
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ISO Standard: #027
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Shank Size: 3/32" (2.38mm)
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Head Diameter: 2.70mm
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Head Length: 0.1063" (2.70mm)
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Total Length: 1-3/4" (44.5mm)
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Country of Origin: Germany
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Quantity: 1/2 Dozen (6 burs)
About this Item
Busch® burs are precision-engineered from premium tungsten vanadium steel to deliver superior durability and sharpness. The single-cut teeth are meticulously machined and evenly spaced to provide smooth, consistent cutting and finishing. Designed for use at low to moderate speeds, these burs ensure optimal control and results, making them ideal for professional jewelers and metalworkers.
How to Use
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Secure the bur into a compatible rotary tool, such as a flex shaft, micromotor, or Dremel handpiece with a 3/32" collet or chuck.
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Operate the bur at recommended low to moderate speeds with light, steady pressure to avoid overheating and ensure precise cuts.
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Apply a lubricant like Busch® Lube-Stik during use to reduce friction, enhance cutting efficiency, and prolong the lifespan of the bur.
Safety Information
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Always wear eye protection and follow safety precautions when operating rotary tools.
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Avoid loose clothing, jewelry, and secure long hair to prevent entanglement.
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After use, clean burs gently with a soft cloth and mild soap to remove debris and maintain sharpness.
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Store burs in a dry, secure place to protect the cutting edges and prevent damage.
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Features
High-Quality Tungsten Vanadium Steel Construction
Made from premium tungsten vanadium steel for exceptional durability, heat resistance, and long-lasting sharpness, ideal for professional use.
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Sharp, Single-Cut Flutes
Precisely machined single-cut teeth provide clean, smooth, and accurate cuts, reducing chatter and ensuring detailed work on various materials.
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Inverted Cone Shape
Designed to create concave surfaces, flat-bottomed undercuts, tapered slots, and access tight or irregular spaces with precision.
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Versatile Applications
Perfect for jewelry making, including engraving, carving, shaping, seat cutting, stone setting, and polishing on metals, wax, and synthetic materials.
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Consistent Performance
Engineered for smooth, even cutting and finishing, offering consistent results that improve craftsmanship quality.
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Standardized ISO #027 Size
Ensures compatibility and interchangeability with other professional burs of the same specification for ease of use and replacement.
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Universal 3/32” (2.38mm) Shank Size
Fits most rotary tools such as flex shafts, micromotors, and Dremel handpieces, making them versatile in any workshop.
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Ergonomic Length (1-3/4", 44.5mm)
Provides optimal reach and control for delicate and detailed work in jewelry fabrication and repair.
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Pack of 6 – Great Value
Offers a convenient multipack to support multiple projects, reduce downtime, and ensure you always have sharp burs ready.
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Made in Germany
Manufactured to the highest quality standards with precise engineering and premium materials for professional-grade reliability.
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