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High-performance Milling Insert APKT 07 for metalworking

The Milling Insert APKT 07 is specifically designed for demanding corner and shoulder milling. This indexable insert is characterised by its positive geometry, which promotes a smooth cut and stabilises the machining process. Professional users benefit from the two available grades, allowing targeted machining of different materials. While the RT250X version with its PVD multilayer coating provides excellent conditions for steel and stainless steel, the CVD-coated RT250K grade is optimally designed for cast iron materials.

Suitable materials

Technical data

  • Insert shape: APKT
  • RT250X grade: PVD multilayer coating, P10-P30 and M10-M30 carbide
  • RT250K grade: CVD coating, K25 carbide
  • Packaging unit: 10 pieces

Dimensions of Milling Insert APKT 07

Item Designation Item Nr. L d s d1 r Scope of Application
APKT 070204-PF RT250X 2651271 7,28 4,34 2,38 2 0,4 Steel & Stainless Steel
APKT 070204-PF RT250K 2651272 7,28 4,34 2,38 2 0,4 Cast Iron

Cutting data

Steel Stainless Steel Cast Iron
Vc (m/min) fz (mm) Vc (m/min) fz (mm) Vc (m/min) fz (mm)
APKT 070204-PF RT250X 110-260 0,07-0,15 100-150 0,05-0,12 - -
APKT 070204-PF RT250K - - - - 120-320 0,1-0,3

Applications

Thanks to its precise 90° shape, this indexable insert opens up flexible application possibilities in shoulder, corner, and slot milling. The APKT 070204-PF RT250X variant is a proven choice for general milling operations in steel and stainless steel. For applications involving cast iron components, the RT250K grade supports efficient workflows in single-part and series production.

Special features

This milling insert excels with a carbide grade tailored to the respective material, promoting reliable process stability. The positive chipbreaker reduces the cutting forces generated, which has a gentle effect on the tool system and creates good prerequisites for a clean surface finish.

2651271

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