
Clamp mechanism Rake angle Series Legend
P E C M S D Negative Positive
| SumiTurn T-REX Holder | ○ ○ | GGG | ○ | ||
| <Clamp Mechanism> | |||||
| ○ ○ | G | G G | ○ | P: Lever Lock Type | |
| SEC-D Type Holders | E: Pin Lock Type | ||||
| SEC-70 Type Holders | ○ ○ | GGGG | 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 ○ ○ | <Feature> | |
| G: Excellent ○ : Superior | |||||
| SUMIBORON PR Type Holder | ○ | ○ G G | G | G | △ |
: Good G mark: 1st recommendation C
General Special
| Application | General Turning & Profiling | General Turning | |||
| Turning | Turning | ||||
| Insert shape | Trigon Type | 35° Diamond Type | Square 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
〈50°〉 C33 C32
| SVPC | SVLC | SSBC | |||
| D31 | D31 | ||||
| SVPP | D33 | SVLP | D33 | D28 |
〈72.5°〉
| SVJC | SVVC | CSRP | CSDP | CSKP | BNRN |
| (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.