
Specifications
- Series
- WNMG
- Categories
- Cermet Turning Inserts — M Grade
- Models
- 10
- Chipbreaker
- FS, HQ, MT, TS
- Grades
- KT20 / KCT25
- Stock status
- Made to order
| Model | Stock | rε (mm) | IC (mm) | s (mm) | d1 (mm) | fn (mm/r) | ap (mm) | Grades |
|---|---|---|---|---|---|---|---|---|
| WNMG080404-HQ | ○ | 0.4 | 12.7 | 4.76 | 5.16 | 0.1-0.25 | 0.5-2.0 | KT20 / KCT25 |
| WNMG080408-HQ | ○ | 0.8 | 12.7 | 4.76 | 5.16 | 0.1-0.25 | 0.5-2.0 | KT20 / KCT25 |
| WNMG080404-MT | ○ | 0.4 | 12.7 | 4.76 | 5.16 | 0.12-0.4 | 1.0-3.0 | KT20 / KCT25 |
| WNMG080408-MT | ○ | 0.8 | 12.7 | 4.76 | 5.16 | 0.12-0.4 | 1.0-3.0 | KT20 / KCT25 |
| WNMG080404-TS | ○ | 0.4 | 12.7 | 4.76 | 5.16 | 0.1-0.3 | 0.5-2.5 | KT20 / KCT25 |
| WNMG080408-TS | ○ | 0.8 | 12.7 | 4.76 | 5.16 | 0.1-0.3 | 0.5-2.5 | KT20 / KCT25 |
| WNMG080404R-FS | ○ | 0.4 | 12.7 | 4.76 | 5.16 | 0.1-0.3 | 1.5-4.5 | KT20 / KCT25 |
| WNMG08040BR-FS | ○ | 0.8 | 12.7 | 4.76 | 5.16 | 0.1-0.3 | 1.5-4.5 | KT20 / KCT25 |
| WNMG080404JM | ○ | 0.4 | 12.7 | 4.76 | 5.16 | 0.15-0.55 | 1.0-5.0 | KT20 / KCT25 |
| WNMG08040BJM | ○ | 0.8 | 12.7 | 4.76 | 5.16 | 0.15-0.55 | 1.0-5.0 | KT20 / KCT25 |
Dimensions, tolerances and chipbreaker availability are confirmed on the quotation. Model codes and grades are listed as catalogued.
Product views





Chipbreaker

All models
- WNMG080404-HQ
- WNMG080408-HQ
- WNMG080404-MT
- WNMG080408-MT
- WNMG080404-TS
- WNMG080408-TS
- WNMG080404R-FS
- WNMG08040BR-FS
- WNMG080404JM
- WNMG08040BJM
Cutting conditions
| Workpiece material | Hardness HB | Vc KT20 (m/min) | Vc KCT25 (m/min) | Grade |
|---|---|---|---|---|
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 100-150 | 100-150 | KT20 / KCT25 | ||
| 60-80 | 60-80 | KT20 / KCT25 | ||
| 60-80 | 60-80 | KT20 / KCT25 |
Need help choosing?
Send us your workpiece material, hardness and machine — our engineers will recommend the right grade and starting cutting data.
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