External Holder Series

  • Performance Comparison Table

Clamp mechanism Rake angle Series Legend

P E C M S D Negative Positive

SumiTurn T-REX Holder○ ○GGG
<Clamp Mechanism>
○ ○GG GP: Lever Lock Type
SEC-D Type HoldersE: Pin Lock Type
SEC-70 Type Holders○ ○GGGGC: Clamp-on Type
M: Pin + Clamp-on Type
SEC-30 Type Holders○ ○△ ○ △GS: Screw-on Type
D: Double Clamp Type
SEC-M Type Holders○ ○GG ○ ○<Feature>
G: Excellent ○ : Superior
SUMIBORON PR Type Holder○ G GGG

: Good G mark: 1st recommendation C

  • Tooling List

General Special

ApplicationGeneral Turning & ProfilingGeneral Turning
TurningTurning
Insert shapeTrigon Type35° Diamond TypeSquare Type

W V S Round Type R

Structure Type

MWLN DVJN DVVN DSBN DSDN DSSN

C34 C31 C31 C16 C16 C17

C

DWLN DVQN D

C34 C31

R

ESBN ESDN ESSN ESKN

C20 C20 C21 C21 S

T

PWLN PSBN PSDN PSSN PSKN PRGC

C34 C18 C18 C19 C19 C15

V

PRDC W C15

  • 〈27.5°〉

〈50°〉 C33 C32

SVPCSVLCSSBC
D31D31
SVPPD33SVLPD33D28
  • 〈52°〉

〈72.5°〉

SVJCSVVC CSRP CSDP CSKPBNRN
(FP11)(FP14)(FP15)

C32 D18 C32 C22 C22 C22 L110

Note: Conventional types in the ( ). Holder’s front cutting edge angle in the 〈 〉. Be careful with interferences during machining.