SKU: 108833 Sorby TurnMaster TiN/HSS Square Cutter

TiN Coated M2 High Speed Steel - The Titanium Nitride coating adds an 85RC surface to the steel to give 3 times better wear resistance and sharp edge. The coating is ground from the bevel but stays on the top of the cutter where the wood contacts it. TiN Coated high speed steel can be sharpened to between 0.15 to 0.2 microns