CCMT 120408 AH6235 Wendeplatten - Tungaloy

The combination of a PVD‑coated AH6235 carbide grade and ISO CCMT120408 geometry delivers robust performance for stainless‑steel turning and interrupted cuts; the rhombic form with a 7° clearance and a 0.8 mm corner radius increases edge security and reduces chipping risk. Order the insert directly via Metav Werkzeuge or request specialised application advice from the consultants.

CCMT120408 AH6235 — ISO turning indexable insert, PVD‑coated carbide (Tungaloy)

A CCMT120408 AH6235 indexable insert engineered for external and internal turning, optimised for stainless‑steel machining and operations with elevated breakout risk

• PVD‑coated AH6235 carbide grade
• ISO CCMT 120408 rhombic geometry
• 7° clearance angle for lower cutting forces
• 0.8 mm corner radius for improved edge robustness

Stable edge life for stainless‑steel turning

The combination of a PVD‑coated surface and the AH6235 tough carbide grade is designed to resist built‑up edge and premature chipping when machining stainless steels. The protective coating reduces adhesive wear and thermal softening, while the base material maintains a resilient cutting edge under variable loads. As a result, tool life becomes more predictable and downtimes are reduced, which supports continuous production and consistent surface finish.

Secure performance in interrupted and high‑risk cuts

The rhombic CCMT geometry and the single‑sided chipbreaker deliver controlled chip formation during interrupted cuts and unstable conditions. The modest 0.8 mm corner radius provides a compromise between edge strength and dimensional control, lowering the likelihood of fracturing at the corner while still permitting acceptable turning tolerances. For operations where chip formation and edge stability are critical, this insert offers a pragmatic balance between robustness and accuracy.

Simple integration into standard clamping systems

Compatibility with toolholders is governed by form, clearance, tolerance class, clamping method, size and thickness. The insert features a cylindrical hole with a single‑sided countersink (40°–60°) for secure fastening in common CCMT‑compatible holders and boring bars. Typical system components include a matching external holder or boring bar, a shim or clamping set, and replacement screws; this ensures straightforward retrofitting into existing tool setups and repeatable clamping accuracy when changed during production.

Economic machining and predictable process results

By combining a wear‑resistant coating with a tougher substrate, the grade reduces the frequency of insert changes and supports longer uninterrupted machining cycles. The clearances and geometry lower cutting forces, which can lead to more consistent part quality and less vibration influence in the machining zone. These characteristics contribute to a lower cost per component and improved process reliability across serial turning tasks.

For proven process reliability with Tungaloy PVD‑coated grades, contact Metav Werkzeuge for tailored application advice or to request the CCMT120408 AH6235 insert via info@metav-werkzeuge.com or by telephone on +49 2822 7131930.

Technical Data

• Manufacturer: Tungaloy
• Manufacturer article number: 6903452
• SKU: 6903452-Tungaloy
• Manufacturer SKU: TUN6903452
• Model series: ISO turning indexable inserts
• Item designation: CCMT120408 AH6235 Tungaloy insert

Core dimensions

• ISO designation: CCMT120408
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Clearance angle: 7°
• Included angle: 80°
• Hole: with hole

Special features

• Material: carbide
• Coating: PVD
• Grade: AH6235 (tough grade for stainless steels and interrupted cuts)
• Plate form: rhombic
• Chipbreaker: single‑sided
• Hole style: cylindrical hole + single‑sided countersink (40°–60°)
• Application: turning
• Compatibility note: determined by holder form, clearance, tolerance class, clamping, size and thickness

FAQ

Which materials are best suited to this insert?
The CCMT120408 AH6235 insert is primarily intended for stainless steels and applications with interrupted cuts; the AH6235 grade and PVD coating improve resistance to adhesion and chipping.

Can this insert be used for internal turning as well as external turning?
Yes, the rhombic CCMT geometry and mounting hole allow use in both external holders and compatible boring bars for internal turning operations.

What clamping hardware is required?
The insert mounts with a central screw into holders that accept ISO CCMT plates; the cylindrical hole with a single‑sided countersink (40°–60°) ensures secure fastening and repeatable positioning.

How does the 0.8 mm corner radius affect machining?
A 0.8 mm corner radius increases edge strength and reduces the risk of chipping during interrupted cuts while still permitting acceptable dimensional control for most turning tasks.

Is this an original Tungaloy product and how is the grade described?
This is an original Tungaloy indexable insert, grade AH6235, described as a tougher PVD‑coated carbide suitable for stainless‑steel machining and applications prone to breakout.

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.