TNMM220408
60° triangular turning insert, 4.76 mm thick, 0.8 mm corner radius. This size is in our production range. Grade and coating are matched to your material and operation.
What TNMM220408 means
The designation follows ISO 1832 and states the insert’s basic features. Confirm the fit with the pocket and clamping system of your holder or cutter.
| Code | Feature | Meaning |
|---|---|---|
| T | Shape | 60° triangular |
| N | Clearance angle | 0° (negative insert) |
| M | Tolerance class | Class M |
| M | Hole and chipbreaker | Cylindrical hole, chipbreaker on one face |
| 22 | Cutting edge length code | 22 (about 22 mm) |
| 04 | Thickness | 4.76 mm |
| 08 | Corner | 0.8 mm nominal |
Dimensions are nominal values from the standard. Chipbreaker geometry, carbide grade and coating are not part of the ISO code; tell us the workpiece material, operation and quantity and we confirm them with the quotation.
Guides: CNMG vs WNMG vs DNMG vs TNMG · ISO material groups · Inserts for stainless steel
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