SNMG 120412 AH6225 Wendeplatten - Tungaloy

Take advantage of the combination of a PVD-coated AH6225 grade and a 1.2 mm nose radius for consistent, medium-duty turning of stainless steels; order the insert directly via Metav Werkzeuge or consult our specialists for process optimisation.

SNMG120412 AH6225 Tungaloy turning insert — ISO square insert for turning

A SNMG120412 AH6225 turning insert designed for external and internal turning, optimised for machining stainless steels with a stable, sharp cutting edge.

• PVD-coated carbide grade AH6225
• Designed for stainless steel machining
• 90° square insert, 1.2 mm nose radius
• Double-sided chipbreaker, cylindrical hole

Stable cutting performance for medium-duty stainless steel turning

The SNMG120412 AH6225 delivers a balance of edge sharpness and robustness thanks to the PVD-coated carbide construction and the AH6225 grade. The coating improves anti-wear properties while the substrate maintains a reliable cutting edge under varying conditions. For production environments that require steady surface quality without aggressive cutting parameters, this insert offers predictable tool life and consistent results. The specified 1.2 mm nose radius supports improved load distribution and surface finish on external profiles while limiting vibration in common turning setups.

ISO compatibility and secure clamping minimise setup time

The insert conforms to the ISO indexable insert family and is compatible with holders when form, clearance angle, tolerance class, fastening method, size and thickness match. This standardisation allows straightforward retrofit into established toolholders and boring bars, reducing setup complexity. Clear reference to the ISO designation and the included hole style (cylindrical hole) ensures reliable clamping and repeatable seating, which in turn lowers the risk of insert movement and unplanned stoppages during batch production.

Geometry and chip control that aid productivity

Built with a double-sided chipbreaker and a square plate form, the insert supports stable chip formation across a range of turning operations. The chipbreaker geometry directs swarf away from the cutting zone, reducing recutting and heat concentration; this contributes to prolonged tool life and more consistent part quality. The 0° relief angle and the square 90° geometry provide versatility for facing and profile turning, while the cylindrical hole improves fixture alignment and screw engagement for secure fastening.

Practical selection and process advice for reliable results

Choose the chipbreaker and grade combination according to the machined material and the expected process stability: for interrupted cuts or heavier feeds, favour the larger nose radius and the AH6225 grade for edge strength; for finer finishing operations, adjust feeds and speeds to exploit the sharpness of the PVD-coated edge. Integrating the insert into existing setups with matching holder parameters ensures reproducible results and reduces trial-and-error time during tool changeover.

For procurement or technical consultation on the SNMG120412 AH6225 from Tungaloy, contact Metav Werkzeuge for tailored recommendations and rapid supply

Technical data

• Article number: 6966193
• SKU: 6966193-Tungaloy
• Manufacturer SKU: TUN6966193
• Model series: ISO-Drehwendeschneidplatten

Data

• Nose radius: 1.2 mm
• Insert angle: 90°
• Relief angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 12 mm

Special features

• Material: carbide
• Coating/grade: AH6225 (PVD-coated carbide)
• Application: turning
• Chipbreaker: double-sided
• Hole: cylindrical hole (with hole)
• Plate form: square

FAQ

What materials is this insert suited for?
The SNMG120412 AH6225 turning insert is specified for machining stainless steels and was developed as a universal grade for rostfreie Stähle, giving a durable cutting edge under variable conditions.

How does the AH6225 grade affect tool life and performance?
The AH6225 PVD-coated carbide combines wear resistance with a stable cutting edge, so the insert provides consistent tool life and reliable surface finish during medium-duty turning operations with the SNMG120412 geometry.

Is this insert compatible with standard ISO holders?
Yes — the SNMG120412 follows ISO indexable insert standards; compatibility depends on matching holder form, clearance angle, tolerance class, fastening and plate thickness.

Which features support chip control on this insert?
The double-sided chipbreaker and the square 90° geometry of the SNMG120412 help direct chips away from the cutting zone and reduce recutting, improving machining stability and surface quality.

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.