LNMX 120412 T9125 Wendeplatten - Tungaloy

Take advantage of the combination of T9125 cutting-grade durability, 90° geometry and a 1.2 mm corner radius for reliable, repeatable turning performance; order the insert directly via Metav Werkzeuge or consult our technical advisors for application support.

LNMX 120412 T9125 indexable turning insert — Turning, Tungaloy

A LNMX120412 T9125 indexable insert engineered for external and internal turning, offering a robust 90° cutting geometry and a versatile corner radius for general-purpose and moderate interrupted turning operations

• ISO rectangular insert
• Tungaloy carbide grade T9125
• 90° cutting geometry for robustness
• 1.2 mm corner radius versatility

Consistent wear behaviour with a high-performance grade

The Tungaloy T9125 grade combines wear resistance and toughness to deliver a stable cutting edge across mixed materials. Manufactured in carbide, the grade is formulated to resist abrasive wear while maintaining edge integrity under varying cut conditions, which translates into longer actual service life and fewer insert changes. For plants aiming to reduce tool changeover time and maintain consistent component quality, this grade offers a measurable improvement in process reliability. The insert’s material and grade selection favour predictable tool life and repeatable surface finishes, supporting efficient production planning and cost-effective machining.

Secure seating and defined geometry for reproducible results

Compatibility with the toolholder depends on form, relief angle, tolerance class, fastening, size and thickness; this product is an ISO standard rectangular insert with 90° geometry and a thickness of 4.76 mm, so correct holder selection ensures a secure fit and stable cutting conditions. The specified 1.2 mm corner radius balances edge strength and finishing capability: a larger radius increases robustness for heavier cuts, while still allowing acceptable surface quality. The insert features a special-hole style and a dedicated chipbreaker; when paired with the correct clamping set and screws, the system achieves repeatable concentricity and minimal vibration, reducing the risk of premature edge failure.

Practical workshop advantages and straightforward system integration

Designed for turning operations, the insert suits both external and internal turning when combined with the appropriate outside holder or boring bar. The rectangular form and the special chipbreaker make it adaptable to a wide range of routine and semi‑roughing tasks. In practice, selecting the right chipbreaker and matching feed and speed to the carbide grade yields lower cycle times and consistent surface finishes — a clear rational advantage for batch production. System setup typically includes the insert, a compatible holder or boring bar, a backing/clamping kit and replacement screws; this modular approach simplifies stock management and speeds maintenance procedures. For teams new to indexable tooling, the defined geometry and robust grade make setup more forgiving and improve first‑pass yields.

For reliable results with Tungaloy’s T9125 grade, contact Metav Werkzeuge for tailored advice and rapid supply — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: 6861532
• SKU: 6861532-Tungaloy
• Manufacturer SKU: TUN6861532
• Model series: ISO turning inserts
• Material: carbide
• Application: turning

Facts

• Corner radius: 1.2 mm
• Relief angle: 0°
• Cutting angle: 90°
• Thickness: 4.76 mm
• Plate size: 12 mm

Special features

• Grade: T9125 (Tungaloy)
• Rectangular ISO insert
• Special hole and hole style
• Special chipbreaker
• Suitable for external and internal turning
• System components: holder, clamping set, replacement screws

FAQ

What materials is this insert suitable for?
The Tungaloy grade T9125 insert is designed for general turning tasks and provides balanced wear resistance and toughness; it performs well on a variety of steels and mixed material batches when the cutting data is adjusted accordingly.

How does the 1.2 mm corner radius affect machining?
A 1.2 mm corner radius increases edge strength and improves resistance to chipping during interrupted cuts while still enabling acceptable surface finishes in semi‑finishing operations.

Which holder features must be checked for compatibility?
Holder compatibility depends on form, relief angle, tolerance class, fastening method, insert size and thickness; matching these parameters to the rectangular ISO insert ensures secure clamping and predictable results.

Is the insert appropriate for internal turning (boring)?
Yes — when mounted in a compatible boring bar or internal holder and paired with suitable cutting data, the insert can be used for internal turning as well as external operations.

What system components are recommended for reliable use?
A matched outside holder or boring bar, a backing/clamping kit and the specified replacement screws complete the system and help maintain concentricity and cutting stability.

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.