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The Busch® Inverted Cone Single-Cut Burs, ISO #037, are meticulously engineered to meet the demanding standards of professional jewelers, metalsmiths, and fine detail artisans. Designed for precise metal removal, seat cutting, and surface refinement, these burs feature an inverted cone shape that provides excellent control, visibility, and accuracy—essential for delicate and intricate jewelry work. Crafted in Germany from high-grade tungsten vanadium steel, each bur is precision-machined for a consistent, smooth, and even cut. Busch® burs are known for their exceptional strength, sharpness, and longevity, making them a trusted tool for professionals around the world. Whether you’re working with precious metals or fine settings, these burs help you achieve clean results with minimal finishing required. 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 Dremels. This package includes six burs, offering both value and efficiency for bench jewelers and production environments alike. Ideal for tasks such as creating flat-bottomed undercuts, cutting tapered slots, and initiating seats in irregular bezels, Busch® Inverted Cone Burs deliver the precision, durability, and control required for fine jewelry fabrication and stone setting.
Elevate your craftsmanship with the renowned quality and performance of the Busch® brand—trusted by professionals worldwide.
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: #037
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Shank Size: 3/32" (2.38mm)
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Head Diameter: 3.50mm
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Head Length: 0.1457" (3.70mm)
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Total Length: 1-3/4" (44.5mm)
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Country of Origin: Germany
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Quantity: 6 burs (1/2 dozen)
About this Item
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Made from high-quality tungsten vanadium steel for strength and longevity
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Precision-machined cutting teeth provide smooth, chatter-free operation
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Ideal for seat cutting, undercutting, and fine detail work in stone setting
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Performs best at low speeds for clean, controlled material removal
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Designed for use on precious and base metals, wax, and other jewelry materials
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German-engineered for consistent quality and professional results
How to Use
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Insert the bur securely into a compatible rotary tool such as a flex shaft, micromotor, or Dremel.
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Operate at lower RPMs for optimal control and finish quality.
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Apply light pressure to avoid overheating or premature wear.
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For best results and longer tool life, use a lubricant such as Busch Lube-Stik during cutting.
Safety Information
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Always wear proper eye protection when operating rotary tools.
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Do not apply excessive pressure; let the tool do the work.
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After use, clean the bur with a soft cloth and mild soap to maintain performance and prevent residue build-up.
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Features
High-Quality Tungsten Vanadium Steel
Engineered for superior strength, wear resistance, and long-lasting sharpness, ideal for precise and smooth cutting across a variety of metals and materials.
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Inverted Cone Design
Enables accurate seat cuts, flat-bottomed undercuts, and cleaning of irregular bezel settings with excellent control and minimal material waste.
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Precision Machined Teeth
Single-cut, evenly spaced flutes ensure consistent, chatter-free cuts and fine detail work, minimizing vibration for smoother finishes.
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ISO #037 Standard Head
Sized perfectly for detailed jewelry work, offering a 3.50mm head diameter to meet professional industry standards for quality and compatibility.
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Standard 3/32" (2.38mm) Shank Size
Compatible with most rotary tools, including flex shafts, Dremels, micromotors, and other professional-grade handheld devices.
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Optimized for Low to Medium Speeds
Designed to deliver maximum precision and tool longevity when used at lower speeds, reducing heat and material deformation.
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Versatile Material Compatibility
Suitable for use on precious metals like gold, silver, platinum, as well as base metals, wax, and resin, making it a versatile choice for various jewelry-making techniques.
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Professional German Manufacturing
Proudly produced in Germany under strict quality controls, guaranteeing high standards of craftsmanship and durability.
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Pack of 6 for Convenience and Value
Multipack ensures you have plenty of burs available for continuous use, supporting efficient workflow and reducing downtime.
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Enhanced Cutting Performance with Lubrication
Use with lubricants such as Busch Lube-Stik to reduce friction, prevent clogging, and extend the lifespan of each bur.
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Easy Maintenance
Simple cleaning process with mild soap and soft cloth helps maintain optimal sharpness and performance over time.
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