IC Edge preparation type No. of edges CVDCS7050 A66N PT600M A65 KS6015 KS6050 KT66 Turning indexable inserts Ceramic lineup Negative inserts 90° Square Cutting edge preparation Gray cast iron (with scale) P N T Symbol Speci cation Example Gray cast iron (without scale) Q P P P P K B S Chamferedand honed S01525 0.15 mm × 25°Chamfered and honedNodular cast iron (with scale) PNodular cast iron (without scale)P T Chamfered T01525 0.15 mm × 25°Chamfered Heat-resistant alloy S Hard materials O N H Dimension (mm) Ceramic Insert Description PVD - ApplicableICSREtoolholder SNGN 120408S02025 0.8 N 120412S02025 S02025 8 12.7 4.76 1.2 N 120416S02025 1.6 N SNGN 120416S03030 S03030 8 12.7 4.76 1.6 N SNGN 120404T02025 0.4 N N 120408T02025 0.8 N N N U 120412T02025 T02025 8 12.7 4.76 1.2 N N N N N U 120416T02025 1.6 N N N N D41, D42, D43, D49, 120420T02025 2 N N N D50 RE S SNGN 120708S02025 0.8 N 120712S02025120716S02025S02025 8 12.7 7.94 1.21.6 NN 120720S02025 2 N SNGN 120704T02025 0.4 N 120708T02025 0.8 N N 120712T02025 T02025 8 12.7 7.94 1.2 N N 120716T02025 1.6 N N N N 120720T02025 2 N N SNMN 120716T02025 T02025 8 12.7 7.94 1.6 N SNGN 150712T02025150716T02025T02025 8 15.875 7.94 1.21.6 N NN D41, D42 N : Standard item R : Right hand only L : Left hand only U : Check availability B113