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Busch® Burs - 90° Hart, ISO #0155 Fig. 156C - 1.55 mm (Pkg. of 6) crafted from high-grade tungsten vanadium steel, Busch® Burs deliver exceptional strength and durability for professional jewelers. Precisely engineered in Germany, these burs ensure smooth, even cuts, making them the preferred choice for detailed jewelry work.
Featuring a 90° Hart angle, this bur excels at prong shaping, edge refinement, and delicate finishing across various metals. With a 3/32" (2.38 mm) shank diameter and a 1-3/4" (44.5 mm) length, it fits most standard rotary tools perfectly. The 1.55 mm size offers an ideal balance of precision and resilience for intricate tasks.
For optimal results, use light pressure with a quality lubricant to reduce friction and extend sharpness. Observe safe operating speeds as indicated on the packaging. After use, clean the burs gently with a soft cloth and always wear protective eyewear to ensure safety.
- Brand: Busch®
- Type: 90° Hart Bur
- Shape: Cylinder Square
- Figure: 156C
- ISO Number: #0155
- Size: 1.55 mm
- Cut Type: Cross-Cut
- Shank Diameter: 3/32" (2.38 mm)
- Length: Approx. 1-3/4" (44.5 mm)
- Material: High-grade tungsten vanadium steel
- Quantity: Pack of 6
Product Description:
Trusted by professional jewelers worldwide, Busch® Burs are precision-crafted in Germany using high-quality tungsten vanadium steel for exceptional strength, sharpness, and durability. The 90° Hart shape (Fig. 156C) features a cross-cut, cylinder square design ideal for tasks like prong shaping, edge refinement, and intricate detailing on metals and other materials.
With uniform, precision-machined teeth, these burs deliver smooth, accurate cuts for consistent, high-quality results. Designed with a 3/32" (2.38 mm) shank, they fit most rotary tools, flex shafts, and Dremel-style handpieces.
Usage Instructions:
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Securely attach the bur to your rotary tool, flex shaft, or micromotor.
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Apply light pressure during use to maintain control and precision.
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Use a quality lubricant such as Busch® Lube-Stik to reduce heat and friction.
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Always check and follow the maximum safe RPM indicated on the packaging.
Care & Safety:
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Wear protective eyewear at all times during use.
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After use, clean burs with a soft cloth to maintain sharpness.
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Store in a dry place to prevent corrosion or dulling.
Ideal for:
Jewelry making, gem setting, fine detailing, metalworking, and professional bench work.
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Features
Premium Material: Crafted from high-grade tungsten vanadium steel for superior strength, durability, and resistance to wear.
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Precision-Cut Teeth: Uniformly spaced, cross-cut teeth ensure clean, smooth, and controlled material removal with minimal vibration.
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90° Hart Angle: Specially designed angle for precise control during fine detailing, prong shaping, and edge refinement.
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Head Diameter – 1.55 mm: Perfect for small-scale, intricate jewelry work, including stone setting and fine carving.
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Compatible Shank – 3/32" (2.38 mm): Standard size fits most rotary tools, flex shafts, micromotors, and Dremel-style handpieces.
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Optimal Length – 1-3/4" (44.5 mm): Allows for better reach, stability, and visibility during use.
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Cross-Cut Design: Enhances cutting efficiency, reduces clogging, and delivers a smooth, consistent finish on metals, wax, and plastics.
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Low Heat Build-Up: Engineered for efficient chip removal to reduce heat, ideal for precision work without damaging delicate materials.
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Versatile Applications: Suitable for gem setting, jewelry making, metal engraving, shaping, deburring, carving, and general bench work.
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German Engineering: Manufactured in Germany with strict quality control, ensuring sharpness, consistency, and long-lasting performance.
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Pack of 6 Burs: Provides excellent value with multiple tools for regular or high-volume usage.
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Lubrication Recommended: Use with Busch® Lube-Stik or a similar lubricant to extend bur life and enhance cutting performance.
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Safe Operating Speeds: Maximum recommended RPM marked on packaging for safe and efficient operation.
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