SUMIDIA Insert Identification Regrindable Type CNMA 120408 RH 1 2 Insert ISO Code Additional Information ISO  C2/C3 Chart 1 Chart 1 Symbol Description RH Honing specification(treated cutting edge) One-Use Type CNMA 120408 N-LD NF 1 2 3 Insert ISO Code Additional Information Type ISO  C2/C3 Chart 2 Chart 3 Chart 2 Chart 3 Symbol Description Symbol Description N-LD Chipbreaker type (neutral) NF NF insert  L26 N-GD NU One use insert R-DM Chipbreaker type (right handed) L-DM Chipbreaker type (left handed) M3 SUMIDIA