SNMG 120408 AH6235 Wendeplatten - Tungaloy

Take advantage of the combination of PVD‑coated carbide AH6235 for improved wear resistance, a double‑sided chipbreaker for extended edge life, and precise ISO compatibility to secure consistent turning performance; order the SNMG120408 AH6235 insert directly via Metav Werkzeuge or consult the specialists for application support.

SNMG 120408 AH6235 square turning insert — PVD‑coated carbide, for turning | Tungaloy

The SNMG 120408 AH6235 is an ISO‑standard square insert designed for external and internal turning, optimised for machining stainless steel and demanding interrupted cuts.

• PVD‑coated carbide grade AH6235
• Suitable for stainless steel machining
• Double‑sided chipbreaker for extended life
• Square 12 mm size with cylindrical hole

Higher performance in stainless steel and interrupted cuts

The insert combines a PVD‑coated surface with a tough carbide substrate in grade AH6235, providing enhanced edge stability in the presence of workhardening and thermal loading. The PVD coating reduces adhesive wear and improves heat resistance, which helps maintain cutting-edge geometry during prolonged operations. For interrupted cuts and applications with elevated breakage risk the tougher grade minimises chipping and enables more consistent cycle times. This performance translates into fewer indexings and less spindle downtime, supporting a more efficient production flow.

Precise geometry and straightforward toolholder compatibility

Manufactured to ISO‑standard dimensions, the insert’s square 12 mm format, 4.76 mm thickness and cylindrical hole permit straightforward mounting in compatible external holders or boring bars. The 90° included angle and 0.8 mm corner radius deliver a balance between edge strength and form accuracy; the listed 0° clearance suits typical ISO SNMG seating. Compatibility to a toolholder is determined by form, clearance angle, tolerance class, clamping method, size and thickness — matching these ensures stable cutting conditions and repeatable part quality. Where uncertainty exists, verify holder specifications against the insert’s ISO designation before assembly.

Durable edge life and process security for production environments

The double‑sided chipbreaker provides two usable cutting edges per side, enabling efficient indexing and lower tooling cost per edge. The insert’s tougher composition and optimised chip control promote stable chip formation when machining stainless steel, reducing the risk of built‑up edge and surface defects. In assembly-line and job‑shop environments this combination supports predictable tool life and improved first‑pass yield. The insert is supplied as part of a system comprising the insert, matched external holder or boring bar, clamping plate/kit and replacement screws to maintain consistent clamping and minimise set‑up variability.

For demanding turning operations of stainless steels, specify the Tungaloy SNMG120408 AH6235 insert and contact Metav Werkzeuge for tailored application advice at info@metav-werkzeuge.com or by phone on +49 2822 7131930

Technical Data

• Article number: 6887714
• Manufacturer SKU: TUN6887714
• SKU: 6887714-Tungaloy
• Model series: ISO‑Drehwendeschneidplatten

Core Data

• ISO designation: SNMG120408
• Grade / coating: AH6235, PVD‑coated carbide
• Plate size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Included angle: 90°
• Clearance (relief) angle: 0°
• Hole style: with cylindrical hole

Special features

• Square plate form
• Double‑sided chipbreaker
• Intended application: turning
• Typical system: insert, external holder/boring bar, clamping plate and screws

FAQ

What materials is this insert best suited for?
The SNMG120408 AH6235 insert is optimised for stainless steel machining and performs well in interrupted cuts where tougher carbide grades are required.

Can the insert be used for internal turning as well as external turning?
Yes, the ISO‑standard geometry and cylindrical hole allow secure clamping in appropriate boring bars, so the insert is suitable for both external and internal turning applications.

How does the double‑sided chipbreaker affect tool life?
The double‑sided chipbreaker provides additional usable edges and improved chip control, which helps increase productive tool life for the SNMG120408 AH6235 and reduces the frequency of insert changes.

Which holder characteristics must match the insert?
Compatibility depends on holder form, clearance angle, tolerance class, clamping method, size and thickness; matching these ensures stable cutting and repeatable results with the SNMG120408 AH6235.

Is the AH6235 grade coated and what does that mean in practice?
Yes — the AH6235 is a PVD‑coated carbide grade; the coating enhances wear resistance and thermal stability, resulting in steadier edge life during continuous and interrupted turning operations.

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.