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Precision and efficiency for steel machining

The indexable insert DCMT-PR RT250+ is specifically developed for the roughing of steel (ISO P). With its positive basic shape and the proven 55° rhombic design, this tool creates excellent conditions for professional turning operations. The carefully selected carbide grade combined with a modern CVD coating ensures a reliable machining process, offering high thermal and mechanical stability even in lightly interrupted cuts.

Suitable materials

Technical data

  • Insert shape: DCMT (55° rhombic)
  • Machining application: Roughing
  • Grade: RT250+ (P20-P30 carbide, CVD-coated)
  • Cutting conditions: Continuous and light interrupted cut
  • Packaging unit: 10 pieces

Dimensions of indexable insert

Art. Nr. r L I.C. S d
DCMT 11T304-PR RT250+ 1771651 0,4 11,6 9,525 3,97 4,4
DCMT 11T308-PR RT250+ 1771652 0,8 11,6 9,525 3,97 4,4

Cutting data

Schnitt K-LU.webp

Steel
Vc (m/min) fn (mm/U) ap (mm)
DCMT 11T304-PR RT250+ 120-250 0,0,8-0,23 0,5-2,5
DCMT 11T308-PR RT250+ 120-250 0,15-0,23 0,5-2,5

Applications

The DCMT-PR design is intended for the roughing of structural steels, heat-treatable steels, and other common steel alloys. Thanks to the positive insert geometry, cutting forces are reduced, which is particularly beneficial when machining on less rigid setups or with more delicate workpieces. The recommended application range includes continuous turning operations as well as tasks involving light cutting interruptions.

Special features

The two-color CVD coating of the RT250+ grade not only facilitates quick wear detection at the cutting edge but also effectively protects the P20-P30 carbide substrate against heat and abrasive wear. Furthermore, the PR geometry promotes reliable chip breaking, thereby supporting smooth chip evacuation during roughing operations.

1771651

Data sheet

Materials
Steel
Processing
Roughing
Inserts
DC..
Cutting conditions
Continuous
Light interrupted

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