Turning Description Series Page GOLD•RUSH grades for turning 102 GRADES GRADES Turning grades for high speedmachining of cast iron & alloy steel104 Whisker reinforced ceramic grade TC430 for machining high strength 108 WHISKER CERAMIC GRADE & high temp alloys CBN grades TB610, TB670, TB730 for machining hardened steel & 112 NEW CBN GRADES cast iron PCD CHIPBREAKER PCD-tipped inserts with CBchipbreaker 122 Size technology ISO turninginserts 126 Size technology external holders 135 Size technology boring bars 137 HB chipbreaker inserts for semiheavy turning140 External holders 142 LNMM HX 40mm helix insert for large partmachining146 2PLLNR/L External tool holder for LNMMinsert 147 4