TNMG 220412 T9225 Wendeplatten - Tungaloy

Take advantage of a robust, CVD‑coated T9225 grade for reliable medium‑to‑heavy steel turning, combined with a 60° triangular geometry and 1.2 mm corner radius for stable engagement and consistent surface quality; order directly via Metav Werkzeuge or consult their application specialists for toolholder compatibility.

TNMG 220412 T9225 — Tungaloy turning insert (ISO triangular, CVD-coated)

The TNMG 220412 T9225 is an ISO‑standard triangular turning insert designed for medium to heavy steel machining, offering a balance of toughness and wear resistance for slightly interrupted cuts.

• CVD-coated carbide grade T9225
• Robust universal grade for steel turning
• Triangular 60° geometry, 1.2 mm corner radius
• Double-sided chipbreaker with cylindrical hole

Reliable cutting performance under variable conditions

The insert’s CVD-coated cemented carbide composition (grade T9225) provides a compromise between hardness and toughness that suits medium-to-heavy steel turning where cutting conditions may vary or interruptions occur. The coating increases thermal resistance and reduces flank wear, which translates into longer productive edge life and fewer insert changes during batch runs. Selecting this grade supports an efficient process with fewer tool changes, improving machine uptime and process stability.

Straightforward integration into ISO tool systems

As an ISO-standard triangular insert, compatibility with holders is determined by form, relief angle, tolerance class, clamping style, size and thickness. With a nominal size of 22 mm and a plate thickness of 4.76 mm, integration into matched external holders or boring bars is straightforward when the holder corresponds to the ISO designation. The insert is supplied with a cylindrical hole and is double‑sided, enabling reversible use and simplifying inventory management across turning tool systems.

Improved chip control and edge life for demanding cuts

The double-sided chipbreaker design and the 1.2 mm corner radius promote consistent chip formation and evacuation during external and internal turning operations. The geometry reduces cutting forces peaks on interrupted sections and supports a controlled metal flow away from the cutting zone, which helps maintain surface finish and reduce built‑up edge. In practice, this leads to fewer process interruptions and a lower risk of tool edge failure when machining less stable setups.

Practical system setup and recommended components

A productive tooling arrangement comprises the indexable insert together with a matching outer holder or boring bar, a properly sized shim/clamp set and replacement screws. For stable results, choose a holder that matches the insert’s 60° included angle and tolerance class, and ensure clamping components are compliant with the insert’s hole style. Using this system approach reduces assembly time and secures repeatable positioning, which is crucial for serial production and precision turning tasks.

For reliable medium‑to‑heavy steel turning with Tungaloy quality, contact Metav Werkzeuge to request the TNMG 220412 T9225 insert and obtain tailored holder compatibility advice from their technical team.

Technical data

• Article number: 6780801
• Manufacturer SKU: TUN6780801
• SKU: 6780801-Tungaloy
• Model series: ISO turning indexable inserts

Facts

• Size: 22 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Included angle: 60°
• Relief angle: 0°

Special features

• Grade T9225 — CVD‑coated cemented carbide
• Double‑sided chipbreaker
• Triangular insert, with cylindrical hole
• ISO‑standard indexable design
• Suitable for external and internal turning
• System components: insert, outer holder or boring bar, shim/clamp set and spare screws

FAQ

What materials is this insert suitable for? The TNMG 220412 T9225 insert is specified for medium to heavy steel machining and performs well where toughness is required for slightly interrupted cuts.

Is the insert reversible and how does that affect tool life? Yes — the double‑sided design allows reversing the insert, effectively extending usable cutting edges and improving cost efficiency of the turning grade.

Which holder features are required for correct mounting? A holder that matches the ISO triangular form, 60° included angle, correct tolerance class and clamping style for a cylindrical‑hole insert is required for secure mounting and repeatable positioning.

How does the T9225 coating benefit production runs? The T9225 CVD coating increases thermal resistance and wear performance, leading to longer edge life and fewer interruptions during serial production.

Can this insert be used for internal boring as well as external turning? Yes — the insert is suitable for both external and internal turning when paired with the appropriate boring bar or holder that accepts the ISO triangular insert form.

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.