Designed for work on wear-resistant coatings and for hard facings made of tungsten carbide, chromium carbide, titanium carbide, etc. Ideal for materials used in aircraft engine construction and for extremely hard materials. Grit size according to ISO 6344: P 220. The CDR clamping system has a threaded connection with male thread (plastic). Also compatible with the following commonly used systems: Roloc™, Lockit, Speed Lok TR, Power Lock Type III, Fastlock-System B, Roll-On.