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The Busch® Pointed Burs FIG 5 4.00mm (ISO #040) are premium-grade tools engineered specifically for precision jewelry crafting. Crafted from tungsten vanadium steel, these burs deliver exceptional strength, outstanding durability, and excellent wear resistance, ensuring reliable and long-lasting performance even under heavy use. The 4.00mm diameter combined with the pointed design enables artisans to achieve intricate and detailed shaping, carving, and engraving on a wide range of jewelry materials, including precious metals such as gold, silver, and platinum.
Each bur is precision-machined with uniformly spaced teeth that provide smooth and accurate cuts, essential for delicate engraving and fine shaping tasks. This product is supplied in packs of 6 burs, offering great value to jewelers and engravers who require consistent quality tools. Conforming to the ISO #040 standard, these burs meet rigorous international quality benchmarks, making them a trusted choice for professionals worldwide.
The maximum safe operating speed varies depending on the specific bur size and is clearly indicated on the product packaging. To maximize cutting efficiency and prolong tool life, use with proper lubrication is recommended. The burs measure approximately 1-3/4" in length and have a 3/32" diameter shank, ensuring compatibility with most standard rotary and flex shaft tools.
Busch® Pointed Burs come in a broad range of sizes from 0.60mm to 5.00mm and feature a precise 42.0° cutting angle to provide superior accuracy and control during use. These burs are manufactured in Germany to the highest standards of craftsmanship and precision, making them an essential tool for fine jewelry making and detailed metalwork.
Brand: Busch®
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Product Type: Pointed Burs (FIG 5)
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Bur Diameter: 4.00 mm
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Head Length: 5.21 mm
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Shank Diameter: 3/32" (2.35 mm) – Standard for most rotary tools
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Quantity: 1/2 Dozen (6 burs per pack)
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Material: Premium Tungsten Vanadium Steel
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Tip Design: Precision-pointed tip for detailed engraving and shaping
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Application: Suitable for engraving, detailing, shaping, and carving in metals and hard materials
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Durability: Superior wear resistance and long-lasting sharpness
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ISO Classification: ISO #040 – Meets international manufacturing and quality standards
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Angle: 42° tip angle for refined cutting precision
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Maximum Speed: Varies by diameter – Refer to packaging for specific speed guidelines
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Lubrication: Recommended – Use cutting lubricant such as Busch Lube-Stik to maximize efficiency and bur life
About This Item
The Busch® Pointed Burs FIG 5, 4.00mm (ISO #040) are precision-engineered tools crafted in Germany to meet the exacting demands of jewelers, engravers, and metalsmiths. Constructed from high-grade tungsten vanadium steel, these burs offer outstanding durability, cutting consistency, and wear resistance even during heavy-duty use.
The pointed design makes them ideal for detailed applications such as stone setting, engraving, and intricate metal carving. Precision-machined teeth deliver clean, smooth cuts and optimal control for both delicate and high-volume tasks.
How to Use
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Insert the bur into a compatible rotary tool, flex shaft, or micromotor with a 3/32" collet.
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Operate at the recommended RPM range for the size of the bur (check packaging).
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Apply gentle, consistent pressure during use.
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For extended tool life and reduced heat/friction, apply lubricant before and during cutting.
Safety Information
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Always wear protective eyewear and follow standard workshop safety practices.
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Clean burs after use with a soft brush or cloth and mild soap.
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Store in a dry, secure place to prevent corrosion or tip damage.
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Features
Precision Pointed Design:
The 4.00mm pointed tip offers excellent control for delicate, detailed work. Ideal for fine engraving, precision carving, and shaping of intricate jewelry components.
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Professional Pack of 6:
Each pack includes six identical burs, providing consistent performance and ensuring you have backups on hand for continuous productivity without interruption.
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Premium Tungsten Vanadium Steel Construction:
Manufactured from high-quality tungsten vanadium steel for enhanced hardness, durability, and cutting performance. Built to resist wear, distortion, and breakage under stress.
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ISO #040 Certified:
Conforms to ISO #040 standards, guaranteeing uniformity, precision, and international quality assurance for professional applications.
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Smooth, Controlled Cutting:
Fine, precision-ground teeth enable clean, controlled material removal with minimal effort, reducing hand fatigue and ensuring a professional-grade finish.
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Optimized for Versatility:
Suitable for use on a wide range of materials including gold, silver, platinum, brass, copper, and non-ferrous alloys. Ideal for jewelers, metalsmiths, and engravers.
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Durable for High-Volume Use:
Engineered for durability and reliability, even in frequent, demanding use. Retains sharpness and cutting efficiency over extended periods.
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Standard Shank Size:
Features a 3/32" (2.35mm) shank compatible with most rotary tools, flex shafts, and micromotors used in professional jewelry-making environments.
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Precision-Machined Teeth:
Uniformly spaced teeth allow for accurate cuts and prevent clogging, enhancing performance and tool longevity.
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Lubrication Recommended:
Use of lubricants (e.g., Busch Lube-Stik) is recommended to further reduce friction, extend bur life, and maintain optimal cutting performance.
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