Product family view
Turning / CNMG
CNMG Turning Inserts
Find the right CNMG by complete model code, dimensions and catalog grade. Search the table below or send your current code for a match.
external turning, facing and boring
80° Rhombic
- Catalog models
- 15
- Dimensions
- LE · IC · S · d · r
- Catalog grades
- 5 options
Model Reference
Catalog Models & Dimensions
Search by complete designation, compare dimensions and select a model to include it in your inquiry.
How to choose
1 · Size: match the complete model code and the listed dimensions, including corner radius where shown.
2 · Grade: compare SP1201A · SC2101B · SC2251B · SC2251M · SC4101K. R means catalog recommended; O means catalog order option.
3 · Fit: include your workpiece material and holder or cutter code when requesting a quote.
Swipe or scroll horizontally to view every column.
| Select | Full model | LE (mm) | IC (mm) | S (mm) | d (mm) | r (mm) | Catalog grade mark |
|---|---|---|---|---|---|---|---|
| CNMG120404-MF | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | SP1201A (R) | |
| CNMG120408-MF | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | SP1201A (R) | |
| CNMG120412-MF | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 | SP1201A (R) | |
| CNMG120404-CQ | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | SC2101B (O) / SC2251B (R) | |
| CNMG120408-CQ | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | SC2101B (O) / SC2251B (R) | |
| CNMG120412-CQ | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 | SC2101B (O) / SC2251B (R) | |
| CNMG120404-MA | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | SC2101B (O) / SC2251B (R) / SP1201A (R) | |
| CNMG120408-MA | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | SC2101B (O) / SC2251B (R) / SP1201A (R) | |
| CNMG120404-STM | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | SC2101B (O) / SC2251B (R) / SC2251M (R) | |
| CNMG120408-STM | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | SC2101B (O) / SC2251B (R) / SC2251M (R) | |
| CNMG120412-STM | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 | SC2101B (O) / SC2251B (R) / SC2251M (R) | |
| CNMG120404-PM | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| CNMG120408-PM | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| CNMG120412-PM | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| CNMG160612-PM | 16.1 | 15.875 | 6.35 | 6.35 | 1.2 | SC2101B (O) / SC2251B (R) / SC4101K (O) |
No listed models match your search. Try a shorter code or describe your requirement.
Select a model above. You can also use the general quote button at the top of this page.
Need another size? Search all catalog models →
Pocket Compatibility
Insert, Pocket & Tool Matching
Confirm the insert size, seat, clamping method and complete holder, cutter or drill-body designation before ordering a replacement.
Swipe or scroll horizontally to view every column.
| Matching item | What to confirm |
|---|---|
| Holder pocket | Confirm a CNMG-compatible seat and the complete holder code. |
| Clamping | Confirm lever, pin or top-clamp arrangement against the holder. |
| Nose radius | Select 0.4 mm or 0.8 mm against finish, stability and feed requirement. |
| Hand and approach | Confirm holder hand, approach angle and machining direction. |
Grade and Geometry
Workpiece, Geometry & Grade Selection
Operation, workpiece group, cutting continuity, coolant, machine stability and finish target determine the quoted geometry, grade and coating.
Swipe or scroll horizontally to view every column.
| Selection input | Quotation requirement |
|---|---|
| Steel application | Provide alloy, hardness condition, cutting continuity and coolant use. |
| Stainless application | Provide alloy family, tendency to work harden and required surface finish. |
| Cast iron application | Identify grey, ductile or alloyed cast iron and whether the cut is interrupted. |
| Chip control | Provide depth of cut and feed range so the chipbreaker can be quoted. |
| Commercial terms | Confirm quantity, sample requirement and delivery destination. |
Application Inputs
Select by Workpiece and Cut
Tell us the workpiece group and operation stage. We then check the available grade, edge, coating and machine setup for the quoted tool.
Workpiece groups
- PSteel
- MStainless steel
- KCast iron
- NNon-ferrous / aluminum
- HHardened materials
Machining stage
- FinishingSurface finish and dimensional control priority
- MediumBalanced general machining
- RoughingMaterial removal and edge strength priority
Tooling Package
Match the Cutting Tool to the Holder
CNMG insert + matching MCLNR holder
Quote as one set
Insert or cutting tool, holder/body, and spare screw, clamp or wrench only when itemized in the quotation.
Fit check
Verify full designations, seat or shank, hand, screw and machine interface before ordering.
Related Products
Ordering Support
Frequently Asked Questions
What should I include in an inquiry?
Send the full CNMG120408 designation, holder or cutter code, material, quantity and drawing where available.
Does the photograph confirm the supplied variant?
No. Confirm the complete designation, grade, coating and tool interface in the quotation.
Can I request a sample?
Request a sample for the intended specification. Availability, sample terms and delivery timing are confirmed in the quotation.
Specification-Led Quotation
Discuss Your Application
Send your model, material, operation and quantity.
We will review the tool interface and quotation variables before confirming an offer.