Turning insert
RNMG120400
Round turning insert, 4.76 mm thick. This size is in our production range. Grade and coating are matched to your material and operation.
Reading the code
What RNMG120400 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 |
|---|---|---|
| R | Shape | Round |
| N | Clearance angle | 0° (negative insert) |
| M | Tolerance class | Class M |
| G | Hole and chipbreaker | Cylindrical hole, chipbreaker on both faces |
| 12 | Diameter code | 12 (about 12 mm) |
| 04 | Thickness | 4.76 mm |
| 00 | Corner | Round insert, inch-based diameter |
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.
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