WNGA080408T02020 WCK10 WCK10 Wendeplatten - Walter Tools

Take advantage of the combination of high cutting-speed capability, temperature-resistant cutting ceramic and a stable 0.8 mm corner radius for consistent process reliability in finishing operations; order the WNGA080408T02020 WCK10 turning insert directly via Metav Werkzeuge or contact our consultants for application advice.

WNGA080408T02020 WCK10 — Trigon 80° turning insert, 0° negative rake (Walter Tools)

The WNGA080408T02020 WCK10 is a trigon-shaped turning insert designed for high-speed, temperature-resistant machining in serial production and finishing applications.

• Trigon 80° geometry for versatile turning
• Cutting ceramic grade WCK10 for high speeds
• 0° negative rake for robust chip engagement
• 0.8 mm corner radius for steady surface finish

Engineered for high cutting speeds and thermal stability

The core advantage of this insert is its cutting ceramic composition, specified as grade WCK10, which is engineered for high cutting speeds and temperature-resistant cutting. In practice, this means that heat build-up at the cutting edge is managed more effectively than with conventional carbide grades, allowing for higher spindle speeds and shorter cycle times on suitable machines. The Trigon 80° geometry combines clearance and strength to support a range of turning strategies, while the 0° negative rake gives a robust engagement that reduces the risk of chipping in interrupted cuts. These design choices target productivity gains and consistent tool life in demanding turning operations.

Stable edge form and consistent surface quality

A 0.8 mm corner radius on the trigon geometry provides a compromise between edge strength and finish quality: the radius reduces localised stress at the cutting edge, which supports repeatable performance and longer edge life, while maintaining the ability to deliver a fine surface finish on the workpiece. Where tight tolerances and repeatable results are required, the stable edge profile reduces variation between inserts and minimises the need for frequent tool changes. The combination of ceramic grade and defined edge geometry therefore benefits manufacturers who prioritise both throughput and part quality.

Material suitability and selection guidance

The WCK10 grade is a ceramic cutting material optimised for high-speed turning. Suitability for specific workpiece materials must be checked against the manufacturer’s ISO material matrix, as ceramic grades show distinct performance patterns depending on substrate and cutting conditions. In general, ceramic inserts excel in finishing castings, high-temperature alloys and certain steels when operated within recommended parameters. For applications outside typical ranges, consult the product matrix or Metav Werkzeuge’s technical advisers to confirm whether this insert aligns with the part material and the machine’s power and rigidity.

Integration into production and handling recommendations

This trigon insert is designed for mechanical clamping in standard toolholders compatible with its 08 size and 04 thickness format; correct seating and torque are essential to achieve the specified tolerance class G and to preserve the integrity of the cutting edge. Chip control and process stability are improved when cutting parameters are selected to exploit the ceramic’s strengths: lower feeds with higher cutting speeds are commonly effective for finishing passes. Where possible, verify coolant strategy and machine rigidity, as ceramics often perform best in dry or low-coolant setups depending on the workpiece and cutting conditions. Proper handling and inspection prior to use will help ensure process reliability and consistent results.

For high-speed finishing tasks choose Walter Tools’ WCK10 trigon inserts — contact Metav Werkzeuge for tailored tooling recommendations and immediate ordering assistance at info@metav-werkzeuge.com or phone +49 2822 7131930

Technical data

• Article number: WNGA080408T02020-WCK10-WALTER
• SKU label: Drehwendeschneidplatte WNGA080408T02020 WCK10 Walter Tools
• Manufacturer: Walter Tools

Numbers / Core technical data

• Plate format: 08
• Thickness designation: 04
• Corner radius: 0.8 mm
• Free angle: 0° (negative)
• Plate form: Trigon 80°
• Tolerance class: G

Special features / Versions

• Grade: WCK10
• Series: Walter Schneidstoffsorte - Serie offen
• ISO designation: WNGA080408T02020 WCK10
• Material designation: Katalogabhängig
• Product type: Drehwendeschneidplatte
• Notes: Ceramic cutting grade designed for high cutting speeds and temperature resistance

FAQ

What materials is this insert best suited for?
The WNGA080408T02020 WCK10 insert is a ceramic grade designed for high-speed and temperature-resistant turning; suitability depends on the specific workpiece and should be checked against the manufacturer’s ISO material matrix.

How does the 0° negative rake affect performance?
A 0° negative rake increases edge robustness and helps when machining interrupted or difficult-to-cut surfaces; the WCK10 ceramic combined with this geometry offers increased resistance to edge failure under high thermal loads.

What workholding and holder types are compatible?
The trigon format and the 08/04 designation match standard turning toolholders for trigon inserts; correct seating and clamping torque are essential to achieve the stated tolerance class G and to maintain stable cutting conditions.

Does the 0.8 mm corner radius improve surface finish?
Yes — the 0.8 mm corner radius balances edge strength and finish quality, supporting repeatable surface results while extending edge life in finishing operations.

Is coolant recommended with this insert?
Coolant strategy depends on the application and workpiece material; ceramic grades often perform under high-speed, low-coolant or dry conditions, but the specific choice should align with the machining setup and material.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

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