CNMG 090408 T9225 Wendeplatten - Tungaloy

Take advantage of a robust CVD‑coated cemented‑carbide grade designed for medium‑to‑heavy steel turning and a stable 0.8 mm corner radius for reliable edge life; order via Metav Werkzeuge or request application advice for optimal holder compatibility.

CNMG 090408 T9225 Turning Insert — Tungaloy for Turning, ISO 090408

The CNMG090408 T9225 is an ISO‑standard indexable turning insert, engineered for medium to heavy steel turning where intermittent cuts and variable engagement demand increased toughness.

• CNMG insert, ISO 090408, robust geometry
• CVD‑coated cemented carbide grade T9225
• 0.8 mm corner radius for stable cutting
• Cylindrical hole with double‑sided chipbreaker

Reliable performance for medium‑to‑heavy steel turning

The CNMG style insert is a neutral‑geometry, rhombic indexable component built from CVD‑coated cemented carbide that combines wear resistance with toughness. The chosen grade, T9225, is intended for medium‑to‑heavy steel machining and where occasional interruptions occur; this results in fewer tool changes and sustained cycle times. The 0.8 mm corner radius provides an effective compromise between edge strength and surface finish, improving process stability when the setup or stock variation is a factor.

System compatibility ensures predictable results

Compatibility depends on holder form, 0° relief angle, tolerance class, fastening method, size and thickness. The ISO designation supports standardised mounting, yet a matching holder with the correct relief and clamping geometry is essential for repeatable performance. The insert’s ISO 090408 format and 80° shape allow straightforward integration into common turning toolblocks; validation of the holder and clamping parts reduces vibration and secures consistent cutting conditions across batches.

Wear control and economical edge life

The CVD coating on this grade delivers good thermal resistance and surface hardness for extended edge life under heat‑generating operations, while the substrate carbide offers the fracture toughness required for variable cutting. The double‑sided chipbreaker design provides two usable faces per side before indexing, increasing the number of regrinds and lowering per‑edge cost. Choosing an appropriate chipformer and cutting data tailored to material and rigidity will directly improve stable chip control and reduce downtime.

Practical selection and process advice

Select the insert variant and chipbreaker according to workpiece material, cutting depth and machine stability: a tougher grade like T9225 is preferable for interrupted cutting or hard spots, whereas finer finishes may require smaller corner radii and adjusted feeds. Verify the holder accepts the rhombic CNMG shape, the cylindrical hole, and the 4.76 mm thickness to guarantee secure clamping. Proper matching of insert, holder and process parameters enhances productivity and supports predictable reproducibility in serial production.

Contact Metav Werkzeuge for availability and tailored application recommendations for this Tungaloy CNMG090408 T9225 insert — technical consultants are available to check holder compatibility and cutting data.

Technical data

• Article number: 6780646
• Manufacturer SKU: TUN6780646
• SKU: 6780646-Tungaloy
• Designation: CNMG090408 T9225 Tungaloy insert
• Material: cemented carbide

Core specifications

• Corner radius: 0.8 mm
• Thickness: 4.76 mm
• Relief angle: 0°
• Insert size: 09 (ISO)
• Included angle: 80°
• Hole: cylindrical

Special features

• CVD coating, grade T9225
• Double‑sided chipbreaker
• Rhombic insert form (CNMG)
• With cylindrical hole for secure clamping
• Designed for turning applications
• Suitable for medium to heavy steel machining

FAQ

What materials is this insert suited for?
The CNMG090408 T9225 insert is optimised for medium‑to‑heavy steel machining; the CVD coating and carbide substrate balance wear resistance and toughness for such applications.

How does the 0.8 mm corner radius affect machining?
A 0.8 mm corner radius increases edge strength and contributes to process stability; with the CNMG090408 insert it helps maintain surface quality under variable engagement conditions.

Is the insert reversible or indexable on both sides?
This Tungaloy CNMG090408 insert features a double‑sided chipbreaker, allowing multiple indexable cutting faces before disposal, which improves economical edge usage.

What must be checked before mounting the insert?
Confirm holder compatibility with ISO form, 0° relief angle, plate thickness 4.76 mm and the cylindrical hole to ensure correct clamping and positional repeatability for the insert.

Can this insert be used for interrupted cuts?
Yes, the T9225 grade is formulated to provide added toughness, making the CNMG090408 suitable for applications with intermittent cutting or variable engagement.

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.