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Turning / TNMG
TNMG Turning Inserts
Find the right TNMG by complete model code, dimensions and catalog grade. Search the table below or send your current code for a match.
external turning, facing and profiling with a compatible holder
60° Triangle
- Catalog models
- 17
- 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 · SC4101K · SC2251M. 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 |
|---|---|---|---|---|---|---|---|
| TNMG160412-MF | 16.5 | 9.525 | 4.76 | 3.81 | 1.2 | SP1201A (R) | |
| TNMG160404-CQ | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160408-CQ | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160412-CQ | 16.5 | 9.525 | 4.76 | 3.81 | 1.2 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160404-MA | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) / SP1201A (R) | |
| TNMG160408-MA | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) / SP1201A (R) | |
| TNMG160404-STM | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC2251M (R) / SC4101K (O) | |
| TNMG160408-STM | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC2251M (R) / SC4101K (O) | |
| TNMG160412-STM | 16.5 | 9.525 | 4.76 | 3.81 | 1.2 | SC2101B (O) / SC2251B (R) / SC2251M (R) / SC4101K (O) | |
| TNMG160404-SPM | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160408-SPM | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160404-PM | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) / SP1201A (O) | |
| TNMG160408-PM | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) / SP1201A (O) | |
| TNMG160404L-S | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160404R-S | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160408L-S | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | SC2101B (O) / SC2251B (R) / SC4101K (O) | |
| TNMG160408R-S | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 | 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 |
|---|---|
| Triangular pocket | Match the complete TNMG size to a triangular negative-insert turning holder. |
| Hand and approach | Specify cutting direction and approach angle from the current holder code. |
| Clamp set | Confirm the clamp, shim and screw with the holder model. |
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 |
|---|---|
| Operation | External turning, facing and profiling |
| Tool interface | Match the complete holder code, insert seat and clamping components. |
| Workpiece | Identify alloy, hardness condition, interruption, coolant and required finish. |
| Quotation | Confirm chipbreaker, grade, coating, quantity and 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
TNMG insert + matching triangular-insert turning 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 TNMG160408 designation, holder code, workpiece material, machining conditions, quantity and drawing where available.
Does the image confirm the supplied chipbreaker?
No. The image identifies the product family. The quotation confirms chipbreaker, grade, coating and edge preparation.
Can I request a sample?
A sample may be requested for the selected specification. Availability, sample terms and delivery timing are subject to confirmation.
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.