The Busch® Pointed Burs FIG 5 4.50mm (ISO #042) are high-performance rotary tools specifically designed for precision jewelry crafting. Manufactured in Germany from premium tungsten vanadium steel, these burs offer outstanding strength, durability, and wear resistance, ensuring reliable, long-term performance—even under frequent and intensive use.

With a 4.50mm diameter and a 42° pointed tip, these burs are ideal for creating intricate, detailed shapes and carvings across a range of jewelry materials, including precious metals such as gold, silver, and platinum. Their precision-ground, uniformly spaced teeth enable smooth, accurate cuts essential for professional-grade engraving and shaping.

Each pack includes 6 burs, offering excellent value and efficiency for jewelers, engravers, and metalsmiths who require consistent, high-quality tools in their daily work. The ISO #042 classification ensures adherence to international standards of precision and quality, making Busch® burs a trusted choice for professionals worldwide.

The maximum safe operating speed varies by bur size; specific details are provided on the product packaging. For optimal cutting efficiency and to extend tool longevity, the use of a suitable lubricant, such as Busch Lube-Stik, is strongly recommended during operation.

These burs measure approximately 1-3/4" in overall length and feature a standard 3/32" (2.35 mm) shank, ensuring compatibility with most rotary tools, including Dremel®, Foredom®, and other flex shaft systems used in jewelry studios and workshops.

Busch® Pointed Burs are available in a wide range of sizes—from 0.60mm to 5.00mm—all featuring the same 42.0° pointed angle to deliver consistent cutting precision. Each size is sold in a pack of 6 and is crafted in Germany to meet the highest standards of craftsmanship, performance, and reliability.