LNMX 120408 T9115 Wendeplatten - Tungaloy

Combine wear resistance, edge stability and ISO compatibility for reliable turning performance; order the insert directly via Metav Werkzeuge or consult the team for application advice.

LNMX120408 T9115 — Tungaloy ISO turning insert for external and internal turning, 0° clearance

The LNMX120408 T9115 is an ISO‑standard rectangular turning insert designed for general external and internal turning, offering a balance of wear resistance and cutting‑edge stability for steady production results.

• ISO‑standard rectangular insert LNMX120408
• Tungaloy T9115 wear‑resistant carbide grade
• 0° clearance angle for robust cutting stability
• 0.8 mm corner radius for general turning

Longer, more predictable tool life through material and grade design

The LNMX120408 combines a carbide substrate with Tungaloy's T9115 grade to create a cutting edge optimised for durability and toughness. This combination results in improved wear resistance and edge stability, which reduces the frequency of insert changes and contributes to steadier cycle times. For users less familiar with cutting materials: carbide offers a hard, heat‑resistant cutting surface, while the grade modifies the microstructure to balance wear behaviour and chipping resistance. The net effect is fewer unplanned tool exchanges and a more reliable throughput on turning lines.

Straightforward integration into ISO holder systems for process safety

Compatibility with a holder depends on form, clearance angle, tolerance class, fastening, size and thickness; the LNMX120408 matches ISO conventions to simplify selection. The insert is a rectangular form with a 12 mm nominal size and a plate thickness of 4.76 mm, so matching holders and shims are widely available. The insert’s 0° clearance and 90° included angle deliver robust contact with the toolholder, improving clamping stability and vibration resistance. In practice this means more consistent surface finish and predictable tool behaviour when combined with the correct external holder or boring bar and a suitable clamping set.

Practical application advice for consistent machining results

This insert is intended for turning; select a chipbreaker and the T9115 grade appropriate to the workpiece material, machining method and machine rigidity. The design supports both external and internal turning when paired with a compatible holder and clamp system; note that this item features a special hole and hole style for its fastening method. For typical workshops, the 0.8 mm corner radius is well suited to general finishing and semi‑finishing passes, offering a compromise between edge strength and profile accuracy. Choosing matching cutting parameters and coolant strategy will enhance the insert’s life and ensure the expected surface quality.

Contact Metav Werkzeuge for detailed application support or to order the LNMX120408 T9115 insert; email info@metav-werkzeuge.com or call +49 2822 7131930 for fast, expert advice

Technical data

• Article number: 6861531
• Manufacturer SKU: TUN6861531
• SKU: 6861531-Tungaloy
• Model series: ISO turning inserts
• Material: Carbide

Facts

• Insert designation: LNMX120408
• ISO code: 120408
• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Clearance angle: 0°
• Included angle: 90°

Special features

• Grade: T9115 (Tungaloy)
• Rectangular insert form
• Special hole and hole style
• Special chipbreaker
• Intended use: Turning (external and internal)
• Compatibility determined by form, clearance angle, tolerance class, fastening, size and thickness
• System composition: insert + matching holder or boring bar + shim/clamping set + replacement screws

FAQ

What machining tasks is this insert designed for? The LNMX120408 T9115 is designed for turning, covering both external and internal operations when used with the appropriate holder and clamping set.

Which materials suit the T9115 grade? The T9115 grade combines wear resistance and toughness; it is chosen to balance edge stability and durability across a broad range of turning applications depending on the selected chipbreaker and machining conditions.

How does the 0° clearance angle affect performance? A 0° clearance provides a stable support angle in the holder, enhancing cutting stability and reducing the risk of deflection during heavier cuts when the correct clamping is used.

What importance does the 0.8 mm corner radius have? The 0.8 mm corner radius on this insert improves edge strength for semi‑finishing and finishing passes, offering a compromise between sharp profile control and resistance to chipping.

Are there special fastening requirements for this insert? Yes; the LNMX120408 features a special hole and hole style that require the corresponding fastening hardware and clamping set as part of the system configuration.

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.