High-performance cutting with the DCMT indexable insert
The positive turning insert DCMT ... -PM RT250+ is designed for professional machining and focuses on medium turning operations. By utilizing the advanced CVD-coated P20-P30 carbide grade RT250+, this tool delivers reliable results. It creates excellent conditions for both continuous and light interrupted cuts. The two-color coating design is a well-thought-out solution for quick and safe wear detection, which noticeably improves tool utilization in industrial everyday applications. Supplied in a unit of 10 pieces, it ensures a smooth process in batch production.
Suitable materials

Technical data
- Shape: DCMT
- Processing: Medium machining
- Cutting conditions: Continuous and light interrupted cut
- Workpiece Material: Steel
- Grade: RT250+ (CVD-coated 2-color P20-P30 carbide)
- Packaging unit: 10 pieces
Dimensions of indexable insert DCMT ... -PM RT250+
|
Art. Nr. |
r |
L |
I.C. |
S |
d |
| DCMT 070204-PM RT250+ |
1771643 |
0,4 |
7,8 |
6,35 |
2,38 |
2,8 |
| DCMT 11T304-PM RT250+ |
1771641 |
0,4 |
11,6 |
9,525 |
3,97 |
4,4 |
| DCMT 11T308-PM RT250+ |
1771642 |
0,8 |
11,6 |
9,525 |
3,97 |
4,4 |
Cutting data
|
Steel |
|
Vc (m/min) |
fn (mm/U) |
ap (mm) |
| DCMT 070204-PM RT250+ |
120-250 |
0,04-0,12 |
0,4-1,5 |
| DCMT 11T304-PM RT250+ |
120-250 |
0,05-0,15 |
0,5-2,5 |
| DCMT 11T308-PM RT250+ |
120-250 |
0,05-0,15 |
0,5-2,5 |
Applications
The turning insert in the DCMT ... -PM RT250+ variation is excellently suited for the medium turning of steel components. Whether in single-part or series production, the tool convinces with consistent performance during continuous and light interrupted cuts.
Special features
A key feature of this positive indexable insert is the two-color CVD coating, which allows straightforward visual wear inspection by the machine operator. In combination with the tough P20-P30 carbide substrate, it supports efficient workflows and reduces unexpected tool changes.