SEC- External Holder Series ■ Performance Comparison Table evacuation Operability Accuracy Rigidity Clamp Clamp mechanism Rake angle Index Chip 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 ○ ○ C: Clamp-on Type SEC-70 Type Holders G G G G 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 External Holders General Special Application General Turning & Profiling General Turning Turning Turning Insert shape Trigon Type 35° Diamond Type V Square Type S Round Type R W Structure Type ー ー Double Clamp MWLN DVJN DVVN DSBN DSDN DSSN SEC-M SEC-D C34 C31 C31 C16 C16 C17 C ー ー ー ー ー ー DWLN DVQN D C34 C31 Pin Lock R SEC-30 ー ー ー ー ESBN ESDN ESSN ESKN C20 C20 C21 C21 S ー ー T Lever Lock PWLN PSBN PSDN PSSN PSKN PRGC SEC-70 C34 C18 C18 C19 C19 C15 V ー ー ー ー ー ー ー PRDC W C15 Mini Holders 〈27.5°〉 ー 〈50° 〉 ー ー ー ー Screw-on C33 C32 SVPC D31 SVLC D31 SSBC SVPP D33 SVLP D33 D28 Clamp-on SEC-SV SEC-40 SEC-R ー 〈52° 〉 〈72.5° 〉 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