IC IC D1 Edge preparation type No. of edges CVDCS7050 A66N PT600M A65 CF1 KA30 KS6015 KS6040 KS6050 KT66 Turning indexable inserts 80° 80 ° Ceramic lineup Negative inserts 80° Rhombic Cutting edge preparation Gray cast iron (with scale) P N T Symbol Speci cation Example Gray cast iron (without scale) N P N P P K B S Chamferedand honed S01525 0.15 mm × 25°Chamfered and honedNodular cast iron (with scale)Nodular cast iron (without scale)PP T Chamfered T01525 0.15 mm × 25°Chamfered Heat-resistant alloy Q T S Hard materials O N P H Dimension (mm) Ceramic Insert Description PVD - ApplicableICSD1REtoolholder CNGA 120412S01025 S01025 4 12.7 4.76 5.16 1.2 N CNGA 120404S01525 0.4 N 120408S01525 S01525 4 12.7 4.76 5.16 0.8 N 120412S01525 1.2 N CNGA 120404S02025 0.4 N 120408S02025 S02025 4 12.7 4.76 5.16 0.8 N RE 120412S02025 1.2 N CNGA 120404S03030 0.4 N D8, D9, F88, F97, F99 S 120408S03030 S03030 4 12.7 4.76 5.16 0.8 N 120412S03030 1.2 N CNGA 120404T02025 0.4 N U 120408T02025 T02025 4 12.7 4.76 5.16 0.8 N N N N N U 120412T02025 1.2 N N N N N U CNMA 120408S01525 S01525 4 12.7 4.76 5.16 0.8 N CNMA 120408S03030120412S03030S03030 4 12.7 4.76 5.16 0.81.2 NN CNGN 120408T01020120412T01020T01020 4 12.7 4.76 0.81.2 U NU CNGN 120708T01020120712T01020T01020 4 12.7 7.94 0.81.2 UU CNGN 120408S01025120412S01025S01025 4 12.7 4.76 0.81.2 NN CNGN 120708S01525120712S01525S01525 4 12.7 7.94 0.8 N1.2N CNGN 120408T02025 0.8 N N N RE 120412T02025 T02025 4 12.7 4.76 1.2 N N N 120416T02025 1.6 N D38 S CNGN 120704T02025 0.4 N 120708T02025120712T02025T02025 4 12.7 7.94 0.81.2 NN 120716T02025 1.6 N CNGN 160708T02025 0.8 N 160712T02025 T02025 4 15.875 7.94 1.2 N 160716T02025 1.6 N CNMN 120708T02025120712T02025T02025 4 12.7 7.94 0.81.2 NN N : Standard item R : Right hand only L : Left hand only U : Check availability B109