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The Busch® Burs Pearl Drills 0.10mm, ISO #010 – Pack of 6 are precision-crafted tools designed specifically for professional jewelers and artisans who require the utmost accuracy when working with extremely delicate materials such as pearls, tiny beads, and fragile gemstones. Since its founding in 1905, Busch has set the standard for high-quality rotary tools, delivering burs that combine durability, precision, and smooth performance for jewelry making and repair. These pearl drills feature a finely engineered smooth flat head with an ultra-fine 0.10mm diameter, expertly made from hardened tungsten vanadium steel. This specialized construction ensures that holes drilled are clean and soft-edged, protecting the nacre and preventing unsightly chips or cracks. With a 4.2mm working head depth, these burs allow for precise, repeatable drilling depths, whether creating new holes or enlarging existing ones in pearls or other delicate materials. Designed to be compatible with a wide range of rotary instruments—including pendant drills, micromotors, flex shafts, and pin vices—these burs give jewelers superior control for intricate detailing. The smooth design also minimizes vibration and heat buildup, which helps avoid damage and discoloration during use. To maximize performance and preserve the beauty of pearls, it is recommended to hold the pearls securely in a specialized pearl vice or between fingers wrapped with protective tape. Drilling under water or in a moist environment helps reduce friction and heat, further protecting sensitive materials.
Manufactured in Germany under strict quality controls, Busch® Pearl Drills are renowned worldwide for their longevity, reliability, and precision. These burs are an indispensable part of any jeweler’s toolkit, enabling smooth finishes, fine detailing, and consistent, professional results in every project.
Brand: Busch®
Type: Pearl Drill Bur
Model: 417 Pearl Drill
ISO Number: #010
Drill Diameter: 0.10mm
Working Head Depth: 4.2mm
Shank Size: 2.34mm tapered (standard fit for most professional rotary tools)
Material: Premium hardened tungsten vanadium steel
Application: Pearl drilling, beadwork, delicate material boring, jewelry making & repair
About this Item
The Busch® Pearl Drill Bur 0.10mm (ISO #010) is a professional-grade tool specifically engineered for the delicate task of drilling pearls, seed beads, and other fragile materials. Manufactured in Germany using premium tungsten vanadium steel, these burs are built for precision, durability, and minimal material stress.
The ultra-fine 0.10mm tip and smooth flat head ensure clean, soft-edged holes while reducing the risk of cracking or damaging the nacre. The bur’s 4.2mm working head depth provides enough length for precise and repeatable drilling, whether starting new holes or enlarging existing ones.
Busch® has been a trusted name in high-precision rotary tools since 1905. These burs are ideal for use in fine jewelry studios, repair benches, and any environment where professional standards and clean results are critical.
How to Use
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Secure the bur in a rotary tool, such as a flex shaft, micromotor, pendant drill, or pin vice with a 2.34mm collet.
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For pearl drilling, hold the pearl in a pearl vice or between protected fingers.
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Always drill under water or use a cooling method to prevent heat buildup, which can damage or discolor the pearl.
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Apply gentle, steady pressure to allow the bur to cut naturally—do not force.
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Use a lubricant like Busch Lube-Stik to reduce friction and extend the tool's working life.
Safety Information
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Always wear safety glasses or protective eyewear while operating any rotary tool.
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After use, clean the bur with a soft cloth and mild soap or ultrasonic cleaner to remove debris and prevent dulling.
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Store burs in a dry place to prevent corrosion and maintain precision.
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Features
Ultra-Fine 0.10mm Precision Drill Tip
Ideal for drilling the smallest pearls, seed beads, or delicate materials where extreme accuracy and minimal surface damage are critical.
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Premium Hardened Tungsten Vanadium Steel
Manufactured from high-grade hardened steel for exceptional durability, reduced wear, and resistance to deformation over time.
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4.2mm Working Head Depth
Optimized for clean, consistent drilling and hole enlargement with minimal risk of cracking or splintering the nacre.
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Flat Head Design for Smooth Entry
Ensures soft-edged, chip-free entry into delicate surfaces—minimizing the risk of damaging pearls or other fragile components.
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Low-Vibration Performance
Reduces stress on the material and tool, delivering more precise control and comfort during prolonged use.
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Compatible with Most Rotary Tools
Fits pendant drills, flex shafts, micromotors, and pin vices; 2.34mm tapered shank ensures secure fit in common collets.
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Water-Cooled Drilling Recommended
Designed for use under water or with coolants to minimize heat buildup and prevent discoloration or nacre damage.
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Ideal for Fine Jewelry & Watchmaking
Perfect for pearl drilling, bead hole enlargement, and micro-detail work in fine jewelry repair, creation, and customization.
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Made in Germany
Precision-engineered in Germany under strict quality standards—trusted by jewelers and goldsmiths worldwide.
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Pack of 6 for Professional Use
Convenient multi-pack format ensures jewelers have a consistent supply of high-performance tools on hand.
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