GENERAL TECHNICAL INFORMATION grades - carbide and cermet INSERT GRADES COATED CARBIDE, CERMET AND CARBIDE GRADES Grades ISO Application M30 − M40 • For medium to low speed turning of stainless steel, exotic alloys and low carbon steel. TT8020 S30 − S40 • Toughest grade in turning product line. PVD Coated P30 − P45 • For interrupted cut on stainless steel and exotic alloys. P10 − P15 CT3000 M10 − M15 • Excellent surface finish turning of steel, stainless steel and cast iron. CERMET K10 − K20 • Excellent wear resistance and low coefficient of friction PV3010 P05 − P15 • Turning of steel, stainless steel and cast iron with high surface quality. PVD Coated■ K05 − K15 M05 − M15 • Longer tool life. Cermet K10 − K20 • General turning of cast iron, exotic alloy and non-ferrous materials including aluminum K10 S10 − S20 and copper alloy. Uncoated N10 − N20 • Excellent wear resistant grade. 1148