High-Performance Grooving Insert for Efficient Machining
The grooving insert MGMN ...-GT RT300 is thoughtfully designed for demanding parting and grooving operations. Its PVD-coated RT300 grade is specifically tailored for machining steel and stainless steel, accommodating both continuous and slightly interrupted cuts. Excellent chip control ensures secure machining processes and reliable chip evacuation. Designed to fit the MGM./MRM. system perfectly, this insert integrates flexibly into existing production workflows, providing field-tested reliability.
Suitable materials

Technical data
- Cutting material: PVD-coated carbide
- Grade: RT300 (P15-P25, M10-M25)
- Operation: Grooving and turning
- Packaging unit: 10 pieces
| Grooving Insert |
MGMN |
| Workpiece Materials |
Steel and Stainless Steel
|
| Grade |
RT300: PVD-coated P15-P25 and M10-M25 for universal use in steel and stainless steel |
| Grooving system |
MGM./MRM.-System |
| Packaging unit |
10 Pc. |
Dimensions of Grooving insert - MGMN ...-GT RT300
|
Item Nr. |
B |
R |
L |
S |
| MGMN 200-GT RT300 |
1331193 |
2 |
0,2 |
16 |
3,50 |
| MGMN 300-GT RT300 |
1331191 |
3 |
0,4 |
20,8 |
4,8 |
| MGMN 400-GT RT300 |
1331192 |
4 |
0,4 |
21 |
4,8 |
Cutting data
|
Steel |
Stainless Steel |
|
Vc (m/min) |
f (mm) |
Vc (m/min) |
f (mm) |
| MGMN GT RT300 |
90-220 |
0,06-0,14 |
80-160 |
0,06-0,12 |
Applications
This grooving insert is oriented toward precision parting and grooving in professional turning applications. It is exceptionally well-suited for the efficient machining of steel and stainless steel components where controlled chip formation and high surface quality are required.
Special features
Thanks to its specialized geometry, this model delivers excellent chip control. The PVD coating of the RT300 grade reliably protects the cutting edge against premature wear. Supplied in a packaging unit of 10 pieces, it provides an optimal stock for regular industrial use.