SEC- External Holder Series ■ Performance Comparison Table Clamp mechanism Rake angle Rigidity Clamp Operability Accuracy Index Chip evacuation Series Legend P E C M S D Negative Positive SumiTurn T-REX Holder ○ ○ G G G ○ P: Lever Lock Type SEC-D Type Holders ○ ○ G G G ○ E: Pin Lock Type SEC-70 Type Holders ○ ○ G G G G C: Clamp-on Type M: Pin + Clamp-on Type SEC-30 Type Holders ○ ○ △ ○ △ G S: Screw-on Type D: Double Clamp Type SEC-M Type Holders ○ ○ G G ○ ○ G: Excellent ○ : Superior SUMIBORON PR Type Holder ○ ○ G G G G △ : Good G mark: 1st recommendation C ■ Tooling List Holders External Application General General Turning & Profiling General Turning Special Turning Turning Insert shape Trigon Type W 35° Diamond Type V Square Type S Round Type R Structure Type Double Clamp ー ー SEC-D SEC-M MWLN DVJN DVVN DSBN DSDN DSSN C34 C31 C31 C16 C16 C17 C ー ー ー ー ー ー DWLN DVQN D C34 C31 Pin Lock SEC-30 R ー ー ー ー ESBN ESDN ESSN ESKN C20 C20 C21 C21 S ー ー T Lever Lock SEC-70 PWLN PSBN PSDN PSSN PSKN PRGC C34 C18 C18 C19 C19 C15 V ー ー ー ー ー ー ー PRDC W C15 Holders 〈27.5°〉 ー 〈50°〉 ー ー ー ー Screw-on Mini SVPC C33 SVLC C32 SSBC D31 D31 SVPP D33 SVLP D33 D28 SEC-SV ー 〈52°〉 〈72.5°〉 Clamp-on SEC-40 SEC-R SVJC SVVC CSRP CSDP CSKP BNRN C32 D18 C32 (FP11) C22 (FP14) C22 (FP15) C22 L110 Note: Conventional types in the ( ). Holder’s front cutting edge angle in the〈 〉. Be careful with interferences during machining. C3