IC D1 Edge preparation type No. of edges A66N PT600M A65 KT66 Turning indexable inserts Ceramic lineup Negative inserts 35° Rhombic Cutting edge preparation Gray cast iron (with scale) Symbol Speci cation Example Gray cast iron (without scale) Q P P K B S Chamferedand honed S01525 0.15 mm × 25°Chamfered and honedNodular cast iron (with scale)Nodular cast iron (without scale) T Chamfered T01525 0.15 mm × 25°Chamfered Heat-resistant alloy S Hard materials O N H Dimension (mm) Ceramic Insert Description PVD - ApplicableICSD1REtoolholder VNGA 160404S01525160408S01525S01525 4 9.525 4.76 3.81 0.4 N0.8N RE VNGA 160404S02025160408S02025S02025 4 9.525 4.76 3.81 0.40.8 NN D26, D27, D28, D30, VNGA 160404T02025 0.4 N N U D31 35° S 160408T02025 T02025 4 9.525 4.76 3.81 0.8 N N U 160412T02025 1.2 N VNMA 160408S01525 S01525 4 9.525 4.76 3.81 0.8 N N : Standard item R : Right hand only L : Left hand only U : Check availability B115