Igetalloy Ceramic Inserts Positive Without Insert Hole (Legend) Continuous cut : 1st choice Recommended application P Steel : 2nd choice M Stainless steel : 1st choice K Cast iron Medium cut : 2nd choice : 1st choice N Non-ferrous metal Interrupted cut : 2nd choice S Exotic alloy H Hardened steel ○ Ceramic Dimensions (mm) Round Type WX120 NB90S NB100C Inscribed circle Thickness Nose radius Dia. B Shape Cat. No. Inserts Positive RBGN 120700 Q 12.70 7.94 Q RBGN 150700 Q 15.875 7.94 Q Q RBGN 250900 Q 25.40 9.52 Q RBG 12S Q 12.00 11.0 Q C RBG 16S D Q 16.00 13.0 Q RBG 20S D Q 20.00 15.0 Q Q RBG 26S Q 26.00 16.0 Q RBG 32S Q 32.00 21.0 Q RCGX 090700 D Q 9.525 7.94 Q D RCGX 120700 Q 12.70 7.94 Q Q R Square Type SPGN 090308 Q 9.525 3.18 0.8 Q SPGN 120308 D Q 12.70 3.18 0.8 S Triangular Type TPGN 110304 D D 6.35 3.18 0.4 TPGN 110308 D 0.8 Q T TPGN 160304 D D 9.525 3.18 0.4 TPGN 160308 D D 0.8 WX120 is only available in Japan. V W Solid CBN Ceramic B129