Cermet / coated carbide / carbide lineup Bearing machining Round / SNMF-Type Angle Dimension (mm) Cermet B (°) No. of edges - Applicable Insert Description toolholder IC INSL S CDX D1 RE AN TN90 Turning indexable inserts RCMT 1204M0-BB 12 4.76 4.2 7 N D52 RCMT 1606M0-BB 16 6.35 5.5 7 D1 N - IC RPMT 1203M0-BB 12 3.18 4.4 11 N AN S F87 RPMT 1604M0-BB 16 4.76 5.5 11 N CDX SNMF 120406-21 1.5 0.6 N 21˚ 120410-21 3.0 1.0 N INSL 120416-21 8 12.7 4.76 3.1 1.6 CDX N D52, F87 RE S 120421-21 3.2 2.1 N 21˚ 120426-21 3.3 2.6 N N : Standard item R : Right hand only L : Left hand only U : Check availability B106