CNMG 090412 T9205 Wendeplatten - Tungaloy

Take advantage of the combination of CVD-coated carbide, a double-sided chipbreaker and ISO CNMG geometry for reliable high-speed turning of steel; order the insert directly via Metav Werkzeuge or consult our specialists for application-specific recommendations.

CNMG090412 T9205 CNMG indexable insert for turning — Tungaloy

The CNMG090412 T9205 is an ISO-standard rhombic indexable insert designed for productive external and internal turning of steel under stable machining conditions.

• CVD-coated carbide for high wear resistance
• ISO rhombic CNMG 090412 geometry
• Double-sided chipbreaker for efficient chips
• 0° relief angle and cylindrical hole for secure clamping

Longer productive runtimes through robust grade and coating

The combination of the T9205 grade and a CVD-coated carbide substrate provides a measured balance between wear resistance and edge toughness. This makes the insert particularly suitable where process stability allows slightly higher cutting speeds without sacrificing tool life. The result is less frequent index changes and reduced downtime, contributing directly to improved productivity in batch and continuous turning operations.

Consistent chip control and surface quality for turning steel

Equipped with a double-sided chipbreaker, the geometry encourages predictable chip formation and evacuation when machining steel, helping to avoid built-up edge and component marking. The ISO CNMG form and an 80° approach ensure a stable cutting engagement on external and internal profiles, producing consistent surface finishes even when feed or depth of cut varies modestly.

Secure seating and dimensional compatibility with ISO systems

The rhombic insert features a cylindrical hole and standard clamping footprint, compatible with most ISO CNMG holders when matching form, clearance angle and tolerance class. The 0° relief and a plate thickness of 4.76 mm maintain rigidity at the cutting edge, while the corner radius of 1.2 mm supports strength at the tip, making it suitable for roughing and finishing passes where a balance of form strength and edge sharpness is required.

Practical selection guidance for reliable machining

Select this insert when the workpiece material is steel and the setup provides mechanical stability. The combination of T9205 and the specified chipformer is intended for operations where consistent clamping and coolant application are available; in less stable setups, choose a tougher grade or modified chipbreaker. The ISO designation simplifies replacement and inventory control, reducing the time spent identifying suitable inserts during tool changes.

Efficient handling, indexing and tool life management

Being double-sided, the insert offers two usable cutting edges per side before indexing or replacement, extending service intervals and lowering per-part tooling costs. The standardised CNMG format supports quick swaps in compatible external holders or boring bars and simplifies reconditioning processes. Traceable article data aids stock management and process documentation for production planning.

Contact Metav Werkzeuge for tailored machining advice on the Tungaloy CNMG090412 T9205 indexable insert and precise recommendations for holder compatibility — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6785659
• Manufacturer SKU: TUN6785659
• Brand: Tungaloy
• Designation: CNMG090412
• Grade: T9205
• Material: carbide
• Coating: CVD-coated

Data

• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Insert size: 09
• Geometry angle: 80°
• Relief angle: 0°
• Hole: with cylindrical hole

Special features

• Double-sided chipbreaker
• ISO indexable insert format
• Suitable for external and internal turning
• Compatible with ISO CNMG clamping systems

FAQ

What materials is this insert designed for?
The CNMG090412 T9205 insert is optimised for machining steel; the T9205 grade and CVD coating support productive cutting under stable conditions.

How does the chipbreaker affect machining?
The double-sided chipbreaker on this insert promotes controlled chip formation and evacuation, improving process reliability and surface quality when turning steel.

Is the insert compatible with standard CNMG holders?
Yes, the CNMG090412 follows ISO geometry dimensions; compatibility depends on holder form, clearance angle and tolerance class but the cylindrical-hole clamping is standard for many CNMG systems.

What benefits does the T9205 grade deliver?
T9205 offers a wear-resistant CVD-coated carbide solution designed for higher cutting speeds and stable setups, extending in-service edge life and reducing changeovers.

How large is the corner radius and why does it matter?
The insert has a 1.2 mm corner radius; this radius increases tip strength and contributes to a balance between robustness and achievable surface finish.

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.