Precise turning operations with the indexable insert TCMT...-HF RT250X
The indexable insert TCMT...-HF RT250X is specifically developed for contouring operations and opens up flexible application possibilities in industrial manufacturing. As a positive 60° triangular insert, it combines a sharp cutting edge with a robust P10-P30 and M10-M30 carbide substrate. The modern PVD multilayer coating establishes a reliable foundation to counteract wear and achieve consistent surface finishes. As a result, this turning tool supports efficient workflows, even when machining conditions vary.
Suitable materials

Technical data
- Insert shape: TCMT
- Machining type: Medium machining and finishing
- Cutting conditions: Continuous and light interrupted cut
- Workpiece material: Steel (P10-P30) and stainless steel (M10-M30)
- Carbide grade: RT250X (PVD multilayer coated carbide)
- Packaging unit: 10 pieces
Dimensions of turning insert TCMT...-HF RT250X
|
Item Nr. |
r |
L |
I.C |
S |
d |
| TCMT 110204-HF RT250X |
1771231 |
0,4 |
11 |
6,35 |
2,38 |
2,8 |
| TCMT 110208-HF RT250X |
1771232 |
0,8 |
11 |
6,35 |
2,38 |
2,8 |
| TCMT 16T304-HF RT250X |
1771233 |
0,4 |
16,5 |
9,525 |
3,97 |
4,4 |
| TCMT 16T308-HF RT250X |
1771234 |
0,8 |
16,5 |
9,525 |
3,97 |
4,4 |
Cutting data
|
Steel |
Stainless Steel |
|
Vc (m/min) |
f (mm/rev.) |
ap (mm) |
Vc (m/min) |
f (mm/rev.) |
ap (mm) |
| TCMT 110204-HF RT250X |
140-240 |
0,05-0,3 |
0,2-2,5 |
100-200 |
0,05-0,3 |
0,2-2,5 |
| TCMT 110208-HF RT250X |
140-240 |
0,1-0,4 |
0,2-2,5 |
100-200 |
0,1-0,4 |
0,2-2,5 |
| TCMT 16T304-HF RT250X |
140-240 |
0,05-0,3 |
0,5-3,0 |
100-200 |
0,05-0,3 |
0,5-3,0 |
| TCMT 16T308-HF RT250X |
140-240 |
0,1-0,4 |
0,5-3,5 |
100-200 |
0,1-0,4 |
0,5-3,5 |
Applications
This tooling solution excels primarily in medium metal removal and demanding finishing operations. The specific insert geometry featuring the integrated HF chipformer creates excellent conditions for accurately machining complex workpiece contours made of structural steel, tool steel, and stainless steel. Because the turning tool maintains solid process security even during light interrupted cuts, it is highly suitable for professional lathe operations in both prototyping and volume production.
Special features
A defining characteristic of the RT250X grade is the fine synergy between a durable substrate and advanced surface technology. The PVD multilayer coating reduces friction at the cutting edge, which facilitates predictable chip breaking and high dimensional accuracy on the workpiece. The high-performance turning insert is supplied in a convenient packaging unit of ten pieces, ensuring practical inventory management for continuous production cycles.