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Busch® Pointed Burs FIG 5, 2.70mm (ISO #270) are premium precision tools engineered for jewelry makers, engravers, and metalworkers seeking high-performance burs. Constructed from high-grade tungsten vanadium steel, these burs deliver outstanding hardness, durability, and resistance to wear—even under heavy, repeated use. The 2.70 mm diameter with a pointed tip is ideal for intricate carvings, fine detailing, and crisp shaping on delicate surfaces such as gold, silver, platinum, and other precious metals.
Machined with uniformly spaced cutting flutes, these burs allow for smooth, accurate cuts with minimal chatter—crucial for producing clean, high-quality finishes in detailed work. Each pack includes 6 burs, giving you a dependable supply for continuous work. The ISO #270 standard ensures consistency, dimensional precision, and international quality compliance, making these burs a trusted choice for professionals globally.
With a standard 3/32" shank and approximately 1‑3/4" overall length, these burs are compatible with most rotary tools, including flex shafts and Dremels. They incorporate a 42° cutting angle designed to optimize the balance between penetration and chip clearance. For best performance and extended tool lifespan, use with a suitable lubricant (e.g., Busch Lube‑Stik). Maximum safe speeds vary by diameter and are indicated on the packaging.
Manufactured in Germany to the highest standards, Busch® Pointed Burs offer a reliable, high-precision solution for jewelers working at the intersection of artistry and technical refinement.
Brand: Busch®
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Product Type: Pointed Burs (FIG 5)
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Bur Diameter: 2.70 mm
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Cutting Length: 3.52 mm
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Shank Diameter: 3/32" (2.35 mm) – Compatible with most rotary tools
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Quantity: 6 burs per pack (½ Dozen)
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Material: Premium Tungsten Vanadium Steel
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Design: Precision pointed tip – ideal for intricate carving, shaping, and engraving
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Application: Suitable for precious metals like gold, silver, platinum, and more
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Durability: Exceptional wear resistance; maintains sharpness over time
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ISO Classification: #270 – Meets international precision standards
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Cutting Angle: 42° – Optimized for control and efficient chip removal
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Lubrication: Recommended – Use Busch® Lube-Stik or similar for longer life
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Max RPM: Varies by size – Refer to packaging or tool chart for specific speed limits
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Country of Manufacture: Germany – Engineered to the highest industry standards
About This Item:
Busch® Pointed Burs (FIG 5) are crafted from high-quality tungsten vanadium steel and are precision-machined for clean, consistent cuts. Their pointed design is ideal for achieving sharp, detailed work in gemstone settings, metal engraving, or fine jewelry fabrication. Whether you're working on bezels, prongs, or decorative metalwork, the 2.70 mm diameter offers excellent control without sacrificing durability.
The burs' superior craftsmanship ensures reduced chatter, smoother finishes, and extended tool life—even under continuous use. These are trusted tools for professionals in jewelry making, watch repair, dental labs, and fine metalworking.
How to Use:
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Insert the bur into a flex shaft, micromotor, or Dremel-style rotary handpiece with a 3/32" collet.
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Apply moderate pressure—let the tool do the cutting.
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For optimal performance, use a lubricant (e.g., Busch Lube-Stik) to reduce friction and heat.
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After use, clean the bur with mild soap and a soft brush or cloth.
Safety Information:
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Always wear protective eyewear and ensure proper ventilation when working with rotary tools.
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Keep tools clean and dry after each use to preserve their cutting efficiency.
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Do not exceed the maximum RPM listed for your bur size.
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Features
- Precision Pointed Design: The 2.70mm pointed tip is ideal for detailed, intricate work—perfect for precision engraving, fine carving, and delicate jewelry shaping.
- Pack of 6: Each set includes 6 high-quality burs, ensuring a ready supply for jewelers and reducing downtime from frequent reordering.
- High-Quality Steel Construction: Crafted from premium tungsten vanadium steel, these burs offer excellent durability, minimal wear, and superior cutting performance over extended use.
- ISO #270 Standard: Manufactured to meet ISO #270 standards, guaranteeing precise dimensions, consistent performance, and professional-grade reliability.
- Versatile Compatibility: Suitable for a wide range of materials including gold, silver, platinum, brass, and other non-ferrous metals—ideal for diverse jewelry-making applications.
- Smooth Cutting Action: Engineered for smooth, controlled operation, these burs produce clean, precise cuts with minimal resistance—enhancing finish quality without excess pressure.
- Durable and Reliable: Built for longevity, these burs maintain their sharpness through continuous use, making them dependable tools for both fine detail work and general engraving tasks.
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