Busch® Burs - 90° Hart, ISO #025 Fig. 156C, 2.50 mm are expertly crafted from premium tungsten vanadium steel, offering exceptional strength and long-lasting durability. These burs are precision-engineered to provide smooth, consistent cuts, making them the preferred choice for professional jewelers who demand high-quality, reliable tools. Manufactured in Germany, Busch burs are renowned for their superior sharpness and quality, essential for detailed and intricate jewelry work.

Featuring a 90° Hart angle, this bur is designed to facilitate precise prong shaping, edge refinement, and delicate finishing on various metals. The bur’s 3/32" (2.38mm) shank diameter and approximately 1-3/4" (44.5mm) length ensure compatibility with most standard rotary tools, making it ideal for detailed craftsmanship. The 2.50 mm head diameter offers high precision, balancing durability with finesse for excellent control.

For optimal results, apply light pressure during use and lubricate with a quality lubricant to reduce friction and preserve sharpness. Safe operating speeds are clearly marked on the packaging to ensure long-lasting performance. After each use, clean the burs gently with a soft cloth and always wear protective eyewear for safety.