Igetalloy Ceramic Inserts Negative With Insert Hole Negative Without Insert Hole (Legend) Continuous cut : 1st choice Recommended application P Steel (Legend) Continuous cut : 1st choice Recommended application P Steel : 2nd choice M Stainless steel : 2nd choice M Stainless steel : 1st choice K Cast iron : 1st choice K Cast iron Medium cut : 2nd choice Medium cut : 2nd choice : 1st choice N Non-ferrous metal : 1st choice N Non-ferrous metal Interrupted cut : 2nd choice S Exotic alloy Interrupted cut : 2nd choice S Exotic alloy H Hardened steel ○ H Hardened steel ○ Ceramic Dimensions (mm) Ceramic Dimensions (mm) B 80°Diamond Type WX120 NB90S NB100C Inscribed circle Thickness Nose radius Dia. 80°Diamond Type WX120 NB90S NB100C Inscribed circle Thickness Nose radius Dia. Negative Inserts Shape Cat. No. Shape Cat. No. CNGA 120404 Q D D 0.4 CNGN 120408 D D Q 0.8 CNGA 120408 Q D D 12.70 4.76 0.8 5.16 CNGN 120412 D Q 12.70 4.76 1.2 Q CNGA 120412 Q D D 1.2 CNGN 120416 D Q 1.6 C CNGN 120712 Q 12.70 7.94 1.2 55°Diamond Type 55°Diamond Type DNGA 150404 Q D 0.4 DNGN 150408 D Q 0.8 DNGA 150408 Q D 12.70 4.76 0.8 5.16 DNGN 150412 Q 12.70 4.76 1.2 Q D DNGA 150412 Q 1.2 DNGN 150416 Q 0.8 DNGN 150712 D Q 12.70 7.94 1.2 R 75° Diamond Type ENGN 130408 Q 12.70 4.76 0.8 ENGN 130412 Q 1.2 Q ENGN 130708 D Q 12.70 7.94 0.8 S ENGN 130712 D Q 1.2 Round Type RNGN 120400 D Q 12.70 4.76 Q T RNGN 120700 D D Q 7.94 Q Q RNGN 150700 Q 15.875 7.94 Q Square Type Square Type V SNGA 120404 Q D 0.4 SNGN 120408 D D Q 0.8 SNGA 120408 Q D 12.70 4.76 0.8 5.16 SNGN 120412 D D Q 12.70 4.76 1.2 Q SNGA 120412 Q D 1.2 SNGN 120416 D D Q 1.6 W SNGN 120420 Q 2.0 SNGN 120708 Q 0.8 SNGN 120712 D Q 12.70 7.94 1.2 Q Ceramic Solid CBN SNGN 120716 Q 1.6 SNGN 120720 D Q 2.0 Triangular Type Triangular Type TNGA 160404 Q D 0.4 TNGN 160404 D Q 0.4 TNGA 160408 Q D D 9.525 4.76 0.8 3.81 TNGN 160408 D D Q 9.525 4.76 0.8 Q TNGA 160412 Q 1.2 TNGN 160412 D D Q 1.2 TNGA 160416 Q Q 1.6 TNGN 160712 Q Q 7.94 1.2 35°Diamond Type WX120 is only available in Japan. VNGA 160404 Q D 9.525 4.76 0.4 3.81 VNGA 160408 Q D 0.8 B128