SNMG 120408 AH6225 Wendeplatten - Tungaloy

Take advantage of a PVD-coated carbide grade AH6225 that balances a sharp cutting edge with stability and wear resistance, combined with a 0.8 mm corner radius and double-sided chipbreaker for economical, versatile turning of stainless steels; order or request advice via Metav Werkzeuge for immediate technical support.

SNMG120408 AH6225 — indexable turning insert for turning by Tungaloy

The SNMG120408 AH6225 is an ISO-standard indexable turning insert designed for medium turning operations, offering a sharp, stable cutting edge optimised for stainless steels.

• PVD-coated carbide grade AH6225
• 0.8 mm corner radius for precision
• Double-sided chipbreaker for versatility
• ISO SNMG120408 square insert, 90° geometry

Consistent chip control and reliable edge life for stainless steels

The PVD-coated carbide grade AH6225 provides a balanced combination of edge sharpness and robustness, making it suitable for variable conditions during medium turning. The double-sided chipbreaker reduces chip length and supports stable evacuation, which improves process reliability and reduces rework. Because the substrate and coating are engineered for stainless steels, the insert maintains consistent flank wear and avoids rapid built-up edge, resulting in longer productive tool life and fewer index changes.

Precision geometry that supports repeatable results

A 0.8 mm corner radius and 90° insert geometry deliver a predictable profile for external and internal turning. The modest corner radius improves edge strength while still permitting a good surface finish in standard feeds; this is an advantage in mixed-batch production where repeatability matters. The square plate form and 0° clearance angle require matching holders that respect form, tolerance class and clamping arrangements to ensure concentricity and vibration-free machining.

System approach: compatibility and simple assembly save set-up time

The insert functions as part of an ISO-compliant system: the indexable plate, a compatible external holder or boring bar, a locating shim and clamping kit, plus replacement screws. Compatibility depends on plate shape, thickness and mounting style — this insert is a square SNMG with a cylindrical hole and a plate thickness of 4.76 mm. Correct selection of the clamping set and tolerance class minimises runout and maximises tool life, reducing downtime and increasing overall shop throughput.

Economical use through reversible indexing and versatility

Being double-sided and ISO-standard, the insert offers a cost-effective option: two usable edges per side increase edge count per plate and reduce tooling costs per component. The PVD coating helps maintain a sharp edge under varying cutting conditions, while the underlying carbide substrate supports moderate cutting speeds typical for stainless steel turning. For workshops seeking a practical, general-purpose solution, this indexable plate provides predictable productivity without frequent tool changes.

For tailored advice on using genuine Tungaloy SNMG120408 AH6225 inserts in production, or to secure immediate delivery through Metav Werkzeuge, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6826344-Tungaloy (SKU)
• Manufacturer article number: 6826344
• Manufacturer SKU: TUN6826344
• Model series: ISO-Drehwendeschneidplatten
• Application: Turning

Facts

• Plate designation: SNMG120408
• Plate size: 12
• Plate thickness: 4.76 mm
• Corner radius: 0.8 mm
• Approach angle: 90°
• Clearance angle: 0°

Special features

• Material: carbide
• Coating: PVD-coated grade AH6225
• Plate form: square
• Hole: with hole, cylindrical hole
• Chipbreaker: double-sided
• Typical use: external and internal turning; select chipbreaker and grade for material and stability

FAQ

What materials is this insert primarily intended for?
The SNMG120408 AH6225 insert is primarily designed for stainless steels; the PVD-coated carbide grade AH6225 balances sharpness and edge stability for these materials.

How does the 0.8 mm corner radius affect performance?
A 0.8 mm corner radius offers improved edge strength compared with smaller radii while still allowing good surface finish at typical turning feeds when using the SNMG120408 geometry.

Is the insert reversible and how many cutting edges are available?
The SNMG120408 is double-sided with a reversible design, providing multiple usable edges per plate and improving cost efficiency in batch production.

What holder considerations are necessary for correct use?
Compatibility requires a holder that matches the SNMG form, tolerance class, size and thickness; correct clamping and the use of a suitable locating shim ensure low runout and stable performance.

Can this insert be used for internal as well as external turning?
Yes, the indexable geometry and chipbreaker make the plate suitable for both external and internal turning applications when paired with the appropriate holder or boring bar.

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.