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The Busch® Burs - Twist Drills, Fig. 77 - 1.50mm (ISO #015) offer unmatched precision and durability, making them an essential tool for professional jewelers and artisans. Our Busch® Fig. 77 Twist Drills measure 1.50mm (0.0591”) and are made of tungsten vanadium steel for exceptional strength and a long-lasting edge. The precision-machined, uniformly spaced flutes ensure accurate and smooth cutting, while the 3/32" shanks, measuring approximately 1.75" long, are compatible with most rotary tools like flex shafts and Dremels.
For optimal performance, use a cutting lubricant, such as Lube-Stik, to facilitate smooth drilling and extend tool life. The recommended speed range is 1,400 - 10,000 rpm; consult ANSI guidelines for precise speed recommendations. These burs, made in Germany, are crafted to deliver flawless finishes, whether used for detailed jewelry work or repairs.
Designed for accuracy and efficiency, Busch® Twist Drills Fig. 77 elevate your craftsmanship by reducing material damage and ensuring consistent results. Add this Pkg. of 6 twist drills to your toolkit and experience professional-grade performance.
- Brand: Busch®
- Diameter: 1.50mm (0.0591”)
- Figure Number: 77
- Material: Tungsten Vanadium Steel
- Package Contents: 6 twist drills
- Shank Size: 3/32” diameter, 1.75” length
- Shape: Twist Drill
- ISO Classification: #015
- Material Quality: High-grade steel for precision and durability
- Quantity: 6 drills per pack
- Country of Origin: Germany
- Applications: Designed for use on metals, gemstones, ceramics, and a variety of other materials.
About this Item
Busch® burs are expertly crafted from premium tungsten vanadium steel, engineered to maintain smooth, even cuts and deliver a flawless finish. Their fine teeth and precise cutting edges are ideal for detailed jewelry work, ensuring reliable performance even at low speeds.
How to Use
Safety Information
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Always wear protective eyewear when using Busch® burs.
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After use, clean the burs with a soft cloth and mild soap to maintain sharpness and tool quality.
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Features
Tungsten Vanadium Steel: Exceptional strength and long-lasting sharpness for precision drilling.
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Uniform Flutes: Precision-machined and uniformly spaced flutes ensure smooth, accurate cutting and efficient chip removal.
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Size & Shape: 1.50mm diameter, Fig. 77 twist drill designed for detailed jewelry and metalworking.
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Shank Size: Standard 3/32” diameter, approximately 1.75” long, compatible with most rotary tools including flex shafts and Dremels.
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Speed Range: Recommended operating speed between 1,400 and 10,000 rpm for optimal cutting performance and tool longevity.
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Made in Germany: Manufactured with premium-quality craftsmanship to deliver consistent, reliable results.
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Pack of 6: Convenient multi-pack ideal for professionals and hobbyists needing high-quality twist drills in quantity.
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Versatile Applications: Suitable for drilling metals, gemstones, ceramics, and other hard materials requiring precision.
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Durability: Engineered to maintain sharpness and resist wear under rigorous use, reducing the need for frequent replacements.
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