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The Busch® 90° Hart Bur, ISO #016 (Fig. 156C), is expertly crafted from high-grade tungsten vanadium steel, ensuring superior strength, long-lasting sharpness, and reliable performance. Manufactured in Germany, these burs are trusted by jewelers worldwide for their precision and durability—essential for high-detail jewelry work. Engineered with a 90° Hart angle and a 1.60 mm head diameter, this bur is ideal for prong shaping, edge refinement, and fine finishing across a variety of metals. Its precision-ground flutes deliver smooth, controlled cuts, making it the go-to tool for professional bench jewelers, stone setters, and metalsmiths.
With a 3/32" (2.38 mm) shank diameter and a 1-3/4" (44.5 mm) overall length, it fits most standard rotary handpieces, including flex shafts and micromotors.
Brand: Busch®
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Bur Type: 90° Hart Bur
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ISO Number: #016
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Figure: 156C
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Cut Type: Cross-Cut
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Head Diameter: 1.60 mm
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Shape: Cylinder Square
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Material: Tungsten Vanadium Steel – engineered for long-lasting sharpness and durability
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Shank Diameter: 3/32" (2.38 mm) – compatible with standard rotary tools, flex shafts, and micromotors
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Overall Length: Approx. 1-3/4" (44.5 mm)
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Quantity: Pack of 6
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Country of Origin: Germany
Additional Information: Busch® Burs are known in the jewelry industry for their exceptional quality and precision. With uniformly spaced, precision-machined teeth, these burs offer smooth, accurate cuts for detailed shaping and carving. Maximum safe speed varies by bur size and is indicated on the box. Use with a lubricant to extend tool life and optimize results.
Usage Instructions
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Secure the bur in a rotary handpiece, flex shaft, or compatible Dremel tool
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Use with light, even pressure to avoid excessive wear
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For optimal results, apply a lubricant such as Busch® Lube-Stik to reduce friction and heat buildup
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Refer to the box for maximum safe RPM based on bur size
Care & Safety
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Always wear eye protection during use
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After use, clean with a soft cloth to maintain sharpness and performance
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Store in a dry, organized space to prevent damage or corrosion
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Features
Premium Material
Constructed from high-grade tungsten vanadium steel for exceptional strength, durability, and extended tool life.
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Precision-Cut Cross-Cut Teeth
Uniform, cross-cut teeth ensure smooth, accurate, and vibration-free cutting, ideal for clean finishes and controlled material removal.
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90° Hart Angle
Optimized for precise control in intricate tasks like prong shaping, edge refining, and fine detail work in jewelry making.
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Ideal Head Diameter – 1.60 mm (ISO #016)
Perfect for delicate settings and tight spaces, delivering balance between finesse and cutting power.
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Universal Shank – 3/32" (2.38 mm)
Compatible with most standard rotary tools, flex shafts, and micromotors, ensuring wide usability in any professional workshop.
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Ergonomic Length – Approx. 1-3/4" (44.5 mm)
Offers comfortable handling and better control during extended use.
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Cross-Cut Design
Enhances material removal while maintaining a smooth surface finish, reducing cleanup and polishing time.
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Versatile Applications
Ideal for gemstone setting, shaping, engraving, texturing, and polishing on metals such as gold, silver, platinum, and other alloys.
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German Engineering
Manufactured in Germany, synonymous with precision manufacturing and tool reliability.
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Convenient Pack Size
Supplied in a pack of 6, offering great value and ensuring a ready supply for frequent use.
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