Cutting Speed Hardness GENERAL TECHNICAL INFORMATION INSERT GRADES INSERT GRADES - COATED CARBIDE AND CERMET High P05-P15M05-M15 PV3010 •Steel •Cast iron •Stainless steel K05-K15 P10-P15M10-M15 CT3000 •Steel •Cast iron •Stainless steel K10-K15 S05-S20 TT5030 •High-temp. alloys •Stainless steel M05-M20 P05-P15 TT1300 •Cast iron •Steel K05-K15 K05-K15P05-P15 TT7310 •Ductile cast iron •Cast iron P10-P25 TT8115 •Steel P15-P35 TT8125 •Steel M15-M35 S15-S35P20-P40 TT5100 •Stainless steel M25-M40 •High-temp. alloys P25-P45 •Low carbon steel •Low carbon alloy steel TT7100 M30-M40 •Steel S30-S40P30-P45 •Stainless steel TT8020 •Stainless steel •High-temp. alloys •Low carbon steel •Low carbon steel Low Feed Thoughness High ■■ PV3010: PVD coated Cermet, CT3000: uncoated Cermet ■■ TT1300, TT7310, TT8115, TT8125, TT5100, TT7100, TT9215, TT9225, TT9235: CVD coated carbide ■■ TT5030, TT8020: PVD coated 1146