CNMG 120404 T5125 Wendeplatten - Tungaloy

Combining CVD-coated carbide T5125 with a double-sided chipbreaker and ISO CNMG 120404 geometry delivers dependable performance for cast-iron turning under intermittent cuts; order directly via Metav Werkzeuge or consult their technical team for application support and availability.

CNMG 120404 T5125 turning insert by Tungaloy — CVD-coated carbide, 0.4 mm nose radius

CNMG 120404 T5125 is an ISO-format turning insert designed for robust external and internal turning of cast iron, optimised for interrupted cuts and less stable machining conditions

• CVD-coated carbide grade T5125
• Designed for cast iron interrupted cuts
• ISO CNMG 120404 rhombic format
• Double-sided chipbreaker, with cylindrical hole

Reliable chip control for interrupted cast-iron machining

The combination of a double-sided chipbreaker and the CVD-coated carbide grade provides stable chip formation in interrupted cuts, reducing chatter and tool vibration. This benefit translates into fewer unplanned tool changes and improved cycle-time stability. The insert's corner radius 0.4 mm offers a balance between edge strength and surface finish, so roughing passes retain productivity while maintaining acceptable workpiece quality. For shops processing a range of cast-iron grades the tougher T5125 composition increases resilience against thermal and mechanical shock, reducing flank wear in stop-and-go cutting conditions.

Fast integration into ISO tool systems for efficient setup

As an ISO-format rhombic insert, the unit fits a wide range of standard holders and boring bars; compatibility depends on form, relief angle, tolerance class, clamping and thickness. The ISO CNMG 120404 designation ensures straightforward selection when replacing inserts across multiple machines, lowering inventory complexity. The cylindrical hole and standard 80° included angle make clamping predictable and secure in typical toolposts and toolholders. This simplifies changeover procedures and supports repeatable machining setups, aiding consistent part tolerances in batch or single-piece production.

Durable coating and substrate for extended productivity

The CVD coating bonded to the carbide substrate delivers wear resistance and thermal stability, which is especially useful in less stable or interrupted operations. This means fewer edge failures and a longer usable life per index, contributing to a lower cost per part over time. The T5125 grade is developed for toughness, making it particularly suitable where the cutting conditions are prone to impact or where stability is limited. Combined with the rhombic shape and moderate nose radius, the insert supports both roughing and semi-finishing passes while maintaining process reliability.

For dependable cast-iron turning choose the Tungaloy CNMG 120404 T5125 insert — contact Metav Werkzeuge for immediate availability and tailored application advice at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6850119
• SKU: 6850119-Tungaloy
• Manufacturer SKU: TUN6850119
• Model series: ISO-Drehwendeschneidplatten
• Material: carbide

Core data

• Corner radius: 0.4 mm
• Included angle: 80°
• Thickness: 4.76 mm
• Size: 12 mm
• Clearance angle: 0°

Design and features

• Rhombic plate geometry (CNMG)
• Double-sided chipbreaker
• CVD-coated carbide grade T5125
• With cylindrical hole
• ISO CNMG 120404 designation
• Application: Turning

FAQ

Is this insert suitable for interrupted cuts in cast iron?
Yes. The CNMG 120404 T5125 insert from Tungaloy is specifically formulated for cast-iron turning under interrupted cutting conditions, where the tougher T5125 grade and double-sided chipbreaker improve edge life.

Which toolholders are compatible with this rhombic insert?
Compatibility is determined by the CNMG form, 80° included angle, thickness (4.76 mm) and cylindrical hole; standard CNMG external holders and boring bars that accept ISO CNMG 120404 inserts will be suitable.

Can the insert be used for internal turning as well as external turning?
Yes. The ISO CNMG geometry and cylindrical hole permit secure clamping in appropriate internal and external toolholders, enabling both external and internal turning applications.

What primary benefits does the CVD coating offer?
The CVD-coated carbide on the CNMG 120404 T5125 insert provides enhanced wear resistance and thermal stability, extending edge life and delivering consistent performance in less stable or interrupted machining.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.