SPMT 120404 AH6225 Wendeplatten - Tungaloy

The combination of a PVD-coated carbide grade and ISO-standard geometry ensures consistent cutting performance and straightforward integration into existing holders; benefit from a sharp, stable cutting edge (AH6225) and reliable chip control for efficient turning operations. Order the insert directly via Metav Werkzeuge or consult our specialists for application support.

SPMT 120404 AH6225 SPMT120404 indexable turning insert – Tungaloy

SPMT120404 AH6225 is an ISO-standard indexable turning insert designed for external and internal turning, optimised for universal use on rostfreier Stahl and mid-range machining tasks

• ISO-standard SPMT120404 geometry
• PVD-coated carbide grade AH6225
• Optimised for rostfreier Stahl
• 0.4 mm corner radius for fine finish

Consistent cutting performance for stable production

The PVD-coated carbide composition in grade AH6225 provides a carefully weighted balance between a sharp cutting edge and edge stability under varying conditions. This results in predictable tool life during medium cutting depths and interrupted cuts. The insert’s construction is aimed at delivering a uniform wear pattern that reduces the frequency of unexpected changes, thereby supporting continuous production and lowering process variability. When machining rostfreier Stahl, the coating and substrate combination minimise adhesive wear and maintain cutting integrity across interrupted cuts.

Rapid integration and secure clamping for reliable setups

Thanks to the ISO-standard geometry, the indexable insert dovetails with compatible square holders and boring bars when the holder selection matches form, relief, tolerance class, clamping and thickness. The 11° clearance angle and the square form ensure a consistent seating and orientation in the pocket, while the cylindrical hole with single-sided countersink (40°–60°) provides secure fixation and reproducible clamp preload. These features shorten setup times and reduce seating errors, enabling repeatable positioning and predictable machining results on batch runs.

Improved surface finish and chip control for efficient turning

A 0.4 mm corner radius combined with a single-sided chipbreaker produces a controlled chip form and a fine surface appearance under suitable cutting parameters. The relatively small corner radius supports delicate finishing passes with limited radial engagement, while the chipbreaker directs swarf away from the cutting zone to maintain process stability. Use the insert for both external and internal turning where stability is adequate and where a balance of precision and productivity is required, especially on rostfreier Stahl and similar alloys.

Contact Metav Werkzeuge for tailored application advice and fast supply of Tungaloy inserts — info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6903313

• SKU: 6903313-Tungaloy

• Manufacturer SKU: TUN6903313

• Model series: ISO-Drehwendeschneidplatten

Data

• Insert designation: SPMT120404
• Grade: AH6225
• Material: carbide
• Coating: PVD
• Shape: square
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.4 mm
• Clearance angle: 11°
• Included hole: with hole, cylindrical + single-side countersink (40°–60°)
• Angle: 90°

Special features

• Universal grade for rostfreier Stahl
• Single-sided chipbreaker
• ISO-standard insert for turning applications
• Sharp yet stable cutting edge for medium machining
• Compatible with appropriate external holder, backing/clamping set and replacement screws
• Intended use: Drehen (turning)

FAQ

What materials is this insert suited for?
The answer: The SPMT120404 AH6225 insert from Tungaloy is formulated as a universal grade for rostfreier Stahl and performs well in medium cutting operations on similar alloys.

How is the insert secured to the holder?
The insert features a cylindrical hole with a single-sided countersink (40°–60°) and is clamped in an ISO-compatible pocket; correct matching of form, tolerance and clamping hardware ensures secure fixation.

What finishing capability does the 0.4 mm radius provide?
A 0.4 mm corner radius enables finer surface finishes on finishing passes while maintaining sufficient edge strength for general turning tasks when using the AH6225 grade.

Is the coating suitable for interrupted cuts?
Yes. The PVD coating on the AH6225 carbide substrate enhances resistance to adhesive wear and supports stable performance in interrupted cutting conditions typical of turning rostfreier Stahl.

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.