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Professional turning solution for precise contouring

The PVD-coated VBMT...-HM RT300 indexable insert is a well-thought-out solution for professional medium machining. With its 35° rhombic shape and HM chipbreaker, it creates ideal conditions for demanding longitudinal and contour turning tasks in steel and stainless steel. The tough carbide substrate combined with the wear-resistant PVD coating supports a consistent tool life and process-reliable chip evacuation, even during lightly interrupted cuts.

Suitable materials

Technical data

  • Designation: Indexable insert VBMT...-HM RT300
  • Insert shape: VBMT (35° rhombic)
  • Grade: RT300 (PVD-coated carbide P15-P25 / M10-M25)
  • Application: Medium machining
  • Cutting conditions: Continuous and light interrupted cut
  • Packaging unit: 10 pieces

Dimensions of Indexable insert - VBMT...-HM RT300

Item Nr. r L I.C. S d
VBMT 160404-HM RT300 1771321 0,4 16,5 9,525 4,76 4,4
VBMT 160408-HM RT300 1771322 0,8 16,5 9,525 4,76 4,4

Cutting data

Steel Stainless Steel
Vc (m/min) f (mm/rev.) ap (mm) Vc (m/min) f (mm/rev.) ap (mm)
VBMT 160404-HM RT300 120-240 0,05-0,2 0,23-2,5 110-200 0,08-0,3 0,23-2,5
VBMT 160408-HM RT300 120-240 0,05-0,2 0,45-2,5 110-200 0,08-0,3 0,45-2,5

Applications

These 35° turning tools are designed for use on CNC and conventional lathes. They are highly suitable for medium longitudinal machining as well as complex contour profiles, where fine transitions and hard-to-reach areas must be turned securely. The RT300 carbide grade reliably covers universal cutting tasks in unalloyed to high-alloy steels and stainless steels.

Special features

The combination of a wear-resistant PVD coating and a tough substrate makes the VBMT...-HM highly suitable for changing requirements in modern manufacturing. The HM chipbreaker, precisely matched to medium machining, promotes a clean and controlled chip flow. Furthermore, with the available corner radii of 0.4 mm and 0.8 mm, the tool can be accurately adapted to the required surface finish and stability.

1771321

Data sheet

Materials
Stainless Steel
Steel
Processing
Mittel
Inserts
VB..
Cutting conditions
Continuous
Light interrupted

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