CNGN 120416 LX21 Wendeplatten - Tungaloy

Combine ISO-compatible geometry with the wear-resistant LX21 grade and a 1.6 mm corner radius for dependable turning performance; order via Metav Werkzeuge or consult our technical team for application-specific advice.

CNGN120416 LX21 indexable turning insert — 1.6 mm corner radius, 80° rhombic, Tungaloy

The CNGN120416 LX21 is an ISO-standard indexable insert intended for external and internal turning, engineered in a Tungaloy carbide grade to balance wear resistance and edge stability for general turning tasks.

• ISO-standard rhombic insert, 80° geometry
• Tungaloy LX21 grade for wear resistance
• 1.6 mm corner radius for robust edges
• 4.76 mm plate thickness, compatible with standard holders

Improved process reliability through ISO compatibility and grade selection

The ISO conformity of this insert ensures predictable fitting in standardised holders and boring bars, reducing setup time and variation between tool changes. The LX21 Tungaloy grade combines wear resistance with controlled toughness, which supports longer edge life under mixed cutting conditions. With a carbide substrate and consistent grade specification, the insert contributes to stable production results and fewer unscheduled tool changes.

Geometry tailored for stable cuts and edge life

The 80° rhombic shape with a 1.6 mm corner radius provides a robust cutting edge that tolerates moderate depth of cut and disruptive feed changes. The reported 0° rake angle gives a neutral cutting action that is easy to control across a range of materials, while the 4.76 mm plate thickness adds mechanical rigidity. Together, these dimensions help maintain surface finish and reduce the risk of premature edge chipping during interrupted cuts.

Practical application and handling considerations

This insert is supplied without a chipbreaker, so selection of a suitable chip control geometry and cutting data must match the workpiece material and machining stability. The axial description for the model series highlights use for both external and internal turning; selecting a matching holder, shim and clamping set is essential for secure fixation. Operators benefit from the straightforward identification of the LX21 grade when planning tool schedules and tool-life monitoring.

System integration and ordering information

As part of an ISO insert system the component functions together with the appropriate external holder or boring bar, plus subplates or screw clamps where required. The designation and manufacturer SKU facilitate reordering and inventory management; the form, tolerance class and thickness determine compatibility with existing toolholders. When repeatability and predictable wear behaviour are priorities, this insert offers a standardised, easy-to-manage option for turning operations.

For reliable turning performance with Tungaloy LX21 inserts, contact Metav Werkzeuge for technical consultation and availability — Metav Werkzeuge, Parkring 45, 46446 Emmerich; info@metav-werkzeuge.com, +49 2822 7131930

Technical data

• Article number: 6801894
• Manufacturer SKU: TUN6801894
• SKU: 6801894-Tungaloy
• Model series: ISO-Drehwendeschneidplatten

Facts

• Corner radius: 1.6 mm
• Included angle: 80°
• Plate thickness: 4.76 mm
• Size (inscribed circle): 12 mm

Special features

• Material: carbide
• Grade: LX21 (Tungaloy)
• Plate form: rhombic
• Hole: without hole
• Rake angle: 0°
• Chipbreaker: without
• Application: turning

FAQ

What materials is this insert suitable for?
The CNGN120416 LX21 insert with LX21 grade is designed for general turning tasks; material suitability depends on the choice of chip control and cutting data rather than the insert alone.

How is compatibility with toolholders ensured?
Compatibility is determined by the insert form, thickness and tolerance class; the ISO designation and 80° rhombic geometry make the insert compatible with holders designed for that standard.

Is there a chipbreaker included with the insert?
This insert is supplied without a chipbreaker; chip control must be achieved by choosing a matching insert geometry or toolholder arrangement.

What does the 1.6 mm corner radius mean for machining?
A 1.6 mm corner radius increases edge strength and improves durability under moderate feeds and interrupted cuts, while influencing achievable surface finish and allowable feed rates.

How can the product be identified for reordering?
Use the designation CNGN120416 LX21 or the manufacturer SKU TUN6801894 to ensure consistent reordering and inventory tracking.

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.