PROXXON 28772 Grinding tip ball 5mm [5pcs].

PROXXON 28772 Ball Grinding Tip 5mm [5pcs]High-quality alumina tips.Made of high-quality, high-hardness materials.Various shapes for a variety of applications.For grinding and chiseling hard materials such as cast iron, cast steel, malleable iron, and hard metal alloys and steels.Precisely sized shanks with a diameter of 2.35mm or 3mm.Guarantees excellent concentricity.Grinding principle: soft material = hard tip; hard material = soft tip!Tip diameter of 5mm.xa0.