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High-performance turning with the DCMT...-MF RT255M

The positive indexable insert DCMT...-MF RT255M provides operators with a sophisticated solution for the finish machining of stainless steel. This insert combines a durable M20-M30 carbide substrate with a wear-resistant PVD coating. The specific geometry is optimally adapted for continuous as well as light interrupted cuts, promoting excellent surface finishes at low depths of cut.

Suitable materials

Technical data

  • Plate Shape: DCMT
  • Processing: Finishing
  • Cutting conditions: Continuous and light interrupted
  • Material: Stainless Steel
  • Coating: RT255M (PVD coated M20-M30 carbide)
  • Packaging unit: 10 Pc.

Dimensions of Indexable insert DCMT...-MF RT255M

  Item Nr. r L I.C. S d
DCMT 070202-MF RT255M 1777331 0,2 7,8 6,35 2,38 2,8
DCMT 070204-MF RT255M 1777332 0,4 7,8 6,35 2,38 2,8
DCMT 11T302-MF RT255M 1777333 0,2 11,6 9,525 3,97 4,4
DCMT 11T304-MF RT255M 1777334 0,4 11,6 9,525 3,97 4,4
DCMT 11T308-MF RT255M 1777335 0,8 11,6 9,525 3,97 4,4

Cutting data

Stainless Steel
Vc (m/min) fz (mm) ap (mm)
DCMT 070202-MF RT255M 100-200 0,04-0,15 0,05-1,2
DCMT 070204-MF RT255M 100-200 0,05-0,17 0,08-1,5
DCMT 11T302-MF RT255M 100-200 0,04-0,15 0,08-2
DCMT 11T304-MF RT255M 100-200 0,06-0,2 0,1-2
DCMT 11T308-MF RT255M 100-200 0,07-0,2 0,15-2

Applications

This turning insert shows its true strengths in the production of precise stainless steel components. Thanks to the carefully matched substrate and the MF chipbreaker, it opens up flexible application possibilities in modern CNC manufacturing. It is highly effective for finishing external and internal contours where exact chip control and high dimensional accuracy are crucial.

Special features

Due to its PVD coating, the RT255M grade is highly resistant to built-up edge formation, which significantly reduces a common issue during stainless steel machining. The 55° rhombic shape (DCMT) ensures good accessibility on complex workpiece geometries. Furthermore, the practical packaging unit of 10 pieces guarantees a steady supply for continuous production workflows.

1777331

Data sheet

Materials
Stainless Steel
Processing
Finish
Inserts
DC..
Cutting conditions
Continuous
Light interrupted

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