SUMIBORON Insert Identification Regrindable Type CNMA 120408 B 1 2 Insert ISO Code Additional Information ISO  C2/C3 Chart 1 Chart 1 Symbol Description B Full-top CBN insert One-Use Type CNGG 120408 N-SV NC WG 4 1 2 3 4 5 Insert ISO Code ISO  C2/C3 Chip Breaker One-Use Type Wiper Insert Chart 2 Chart 3 Chart 4 Chart 2 Chart 3 Chart 4 Symbol Description Symbol One-Use Type Grade Symbol Wiper Insert – Standard Type BNC2010, 2020NCCoatedSUMIBORONBNC100, 160BNC200, 300WGFinishing0,05 ≤ f ≤ 0,20 LFLE Sharp cutting edge BNC500BNX10, 20 WH High feed cutting0,20 ≤ f < 0,40 LT Small edgetreatment type NU Uncoated BN1000, 2000BN350,BN7000, 7500WSurface RoughnessStandard: Rz 1,6~3,2µm CBN LS Low cutting force NS f: Feed Rate (mm/rev)BNX25 ES High efficiency type No. of Cutting Edges HS Strong cutting edge Chart 5 N-FV N-LV Chipbreaker Type Chart 5 N-SV Symbol No. of Cutting Edges Type – 1 cutting edge Single-corner 2 2 cutting edges 3 3 cutting edges 4 4 cutting edges Multi-corner 6 6 cutting edges M2 SUMIBORON