Fibre disc with ceramic abrasive Cubitron II treated with cooling additive. It has the characteristic of having the grains of constant shape and all oriented in the same way. Of extraordinary hardness, it maintains its sharpness during machining despite wear. In large stock removal it gives optimal results in terms of tool life and working speed, ensuring higher productivity. Suitable for machining stainless steel, nickel alloy and all heat-sensitive materials.