Busch® Burs - 90° Hart, ISO #023 Fig. 156C, 2.30 mm crafted from premium tungsten vanadium steel, Busch® Burs deliver exceptional strength and long-lasting sharpness, making them a trusted choice for professional jewelers. These burs are engineered for precision, providing smooth and consistent cuts essential for intricate jewelry work.

Featuring a 90° Hart angle, this bur is ideal for detailed tasks such as prong shaping, edge refinement, and delicate finishing on various metals. The 2.30 mm head diameter balances durability and finesse, while the 3/32" (2.38 mm) shank diameter and 1-3/4" (44.5 mm) length ensure compatibility with most rotary tools.

For optimal results, apply light pressure and use a high-quality lubricant to reduce friction and extend the bur’s sharpness. Each bur’s safe operating speed is clearly indicated on the packaging to help maintain performance and safety. Always clean burs with a soft cloth after use and wear protective eyewear during operation.