WIDIA - soustružení | KL-TECH s.r.o. | www.klte.cz widia-soustruženi | Page 172

Advanced Material Inserts Grade Numbering System Grade Numbering System — Ceramics 2 Brand Cutting Material Group CW = WIDIA ™ B164 2 = CM Mixed (black) ceramic 0 15 Application Range 0 = Stationary cutting edges (turning, parting, threading) 05 = fi ne fi nishing 10 = fi nishing 15 = 20 = 25 = 30 = 3 = Semi-standard general applications 35 = 40 = 5 = Rotating cutting edges (milling, drilling, reaming) 45 = 50 = 3 = CR Whisker reinforced ceramic 1 = First successor 5 = CN Silicon nitride ceramic 2 = Semi-standard rotating cutting edges } } } medium to roughing roughing heaviest roughing widia.com CW