CNMG 120404 AH6225 Wendeplatten - Tungaloy

Robust PVD-coated carbide and a 0.4 mm corner radius deliver a balance of edge sharpness and durability; the 80° rhombic geometry provides secure seating and predictable chip flow for external and internal turning. Order the CNMG120404 AH6225 Tungaloy insert directly via Metav Werkzeuge or ask our consultants if needed.

CNMG 120404 AH6225 CNMG120404 Tungaloy indexable insert – turning, PVD-coated carbide, 80°

A CNMG120404 AH6225 indexable turning insert by Tungaloy, engineered for reliable medium-range machining of rostfreier Stahl with a stable, sharp cutting edge and consistent chip control.

• PVD-coated carbide AH6225
• Optimised for rostfreier Stahl
• 80° rhombic form with 0° relief
• Double-sided chipbreaker, cylindrical hole

Dependable cutting performance for medium turning

The combination of PVD coating and a wear-resistant carbide substrate offers improved flank and crater resistance in varying cutting conditions. The AH6225 grade is formulated to maintain a sharp, stable cutting edge during medium cutting depths, which translates into consistent surface finish and extended tool life compared with uncoated alternatives. In practice, the coating reduces adhesive and abrasive wear on the cutting edge, helping to maintain dimensional accuracy over longer tool life — an advantage for production runs where predictable performance is essential.

Predictable chip formation and secure clamping

The double-sided chipbreaker geometry is designed to control chip shape and evacuation during both external and internal turning. Controlled chip formation reduces the risk of recutting and tool damage, and the 80° rhombic outline supports secure clamping forces in standard holders. The insert’s cylindrical hole and standardised form ensure repeatable seating and straightforward indexing, which simplifies changeover procedures and keeps machine uptime high. Better chip control and stable seating contribute directly to improved process efficiency and reduced secondary handling.

Seamless integration into ISO tooling systems

This model belongs to the ISO turning indexable inserts family, so compatibility with holders depends on form, clearance angle, tolerance class, attachment method, size and thickness. The insert measures an inscribed circle of 12 mm, a thickness of 4.76 mm and a corner radius of 0.4 mm, with a relief angle of 0°, making it suitable for a wide range of standard CNMG-compatible holders. Such standardisation simplifies inventory management and tool planning: fewer special holders are required, and replacements are quick to fit, supporting a smooth production flow and lower total operating costs.

Practical benefits for workshop and production environments

Choosing this PVD-coated grade results in tangible process benefits: improved edge stability reduces the frequency of insert changes, while the geometry and coating promote consistent finishes on rostfreier Stahl parts. The combination of established ISO form and a universal grade reduces complexity when selecting inserts for mixed-batch machining or when switching between internal and external turning tasks. For operations seeking dependable mid-range performance with straightforward tool handling, this design provides a pragmatic balance of economy and reliability.

For reliable mid-range turning of rostfreier Stahl choose the Tungaloy AH6225 CNMG120404 insert and contact Metav Werkzeuge for specification matching and rapid supply (info@metav-werkzeuge.com / +49 2822 7131930)

Technical data

• Article number: 6890232
• Manufacturer SKU: TUN6890232
• Our SKU: 6890232-Tungaloy
• Model series: ISO turning indexable inserts
• Application: Turning

Facts

• Inscribed circle / size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Included angle: 80°
• Relief angle: 0°

Design and features

• Rhombic 80° geometry
• Double-sided chipbreaker
• Cylindrical hole
• Double-sided (indexable) insert
• Material: carbide
• Coating: PVD AH6225
• Intended for rostfreier Stahl

FAQ

Which materials suit this insert best?
The CNMG120404 AH6225 Tungaloy indexable insert is optimised for rostfreier Stahl and performs well in medium cutting conditions where a balance of sharpness and durability is required.

What does the AH6225 grade mean in practice?
AH6225 denotes a PVD-coated carbide grade from Tungaloy formulated to provide stable cutting edges, good wear resistance and broad applicability across rostfreier Stahl machining tasks.

How does the chipbreaker influence machining?
The double-sided chipbreaker on this insert reduces chip length and improves evacuation; the result is safer chip control and fewer interruptions during turning operations.

Can this insert be used in standard CNMG holders?
Yes, the CNMG120404 dimensioning and 80° rhombic form follow ISO conventions, so compatibility with CNMG-type holders is achieved when form, clearance and fastening match.

What are the key dimensions to check when replacing inserts?
Check inscribed circle (12 mm), thickness (4.76 mm), corner radius (0.4 mm), included angle (80°) and relief angle (0°) to ensure correct seating and performance for the intended holder and operation.

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.