GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex Designation System for T- C B N (PCBN) InsertsMulti-Corner type A 21 QP - CNGA120404 -L234 B 1 Numberof corners2 TypeQPCBN Inserts 3 ISO symbol 4 Special feature & chipbreakerWithoutStandard honingW With wiperFSharp edgeWᮀWith wiper-LWear resistance priority-HFWith chipbreakerC QS WavyJoint -LF Flank wear resistancepriority -HM With chipbreaker -LC Crater wear resistancepriority -HP With chipbreaker Multi-Corner type (10 pieces per package) -H Fracture resistance priorityT2QP - CNGA120408 D 11 “T” means 10 pieces perpackage. E For general turning TNGA160402 - QBN F 1 2 1 ISO symbol 2 CBN inserts G T-CBN (PCBN tipped) grooving inserts XG R 63 10 S - QBN H 1 2 3 4 5 1 For grooving toolGX-type 2 Hand ofInsert 3 Groove width(mm) 4 Corner radius:RE (mm) 5 CBN insertsLLeft101.0S0.2 I R Right 15 1.5 For S G N 200 - 020 J 1 2 3 4 5 1 Number of edge 2 Application 3 For use 4 Groove width(mm) 5 Corner radius:RE (mm) K S Single corner G Grooving N Non breaker 200 2.0 020 0.2 Designation System for T- D I A (PCD) InsertsInserts for turning L TPGW1102041 - DIA2 M 1 ISO symbol 2 PCD inserts Tungaloy B169