GENERAL TECHNICAL INFORMATION INSERT GRADES grades - carbide and cermet COATED CARBIDE, CERMET AND CARBIDE GRADES Grades ISO Application TT8020 M30 − M40 • For medium to low speed turning of stainless steel, exotic alloys and low carbon steel.S30−S40• Toughest grade in turning product line. PVD Coated P30 − P45 • For interrupted cut on stainless steel and exotic alloys. CT3000CERMET P10 −M10−K10−P15M15K20• Excellent surface finish turning of steel, stainless steel and cast iron.• Excellent wear resistance and low coefficient of friction PV3010PVD Coated■CermetP05−K05−M05−P15K15M15• Turning of steel, stainless steel and cast iron with high surface quality.• Longer tool life. K10 K10 − K20 • General turning of cast iron, exotic alloy and non-ferrous materials including aluminumS10−S20and copper alloy. Uncoated N10 − N20 • Excellent wear resistant grade. 1148