SNGN120712T02020 WCK10 WCK10 Wendeplatten - Walter Tools

Take advantage of a high-speed, temperature-resistant cutting grade combined with a robust square geometry and precise tolerance class for consistent turning results; order directly via Metav Werkzeuge or consult the specialists for application guidance.

SNGN120712T02020 WCK10 turning indexable insert by Walter Tools — ceramic cutting grade for high-speed machining

SNGN120712T02020 WCK10 is a square turning insert designed for demanding, temperature-stable operations in high-speed turning applications

• High-speed ceramic cutting grade WCK10
• Square 90° form for versatile corner usage
• 1.2 mm corner radius for stable edge life
• 0° (negative) rake for robust cutting performance

Faster cycles through a high-speed cutting grade

The WCK10 cutting grade is a ceramic cutting grade developed for high cutting speeds and thermal stability, enabling shorter cycle times in many turning operations. Thanks to this composition, the insert supports elevated cutting parameters that can increase productivity without sacrificing component integrity. The material’s behaviour under heat results in a stable cutting edge when matched to appropriate ISO workpiece groups, reducing the frequency of insert changes and supporting uninterrupted production runs.

Robust geometry for predictable tool life

A square 90° form with a 1.2 mm corner radius gives the insert structural rigidity and multiple cutting corners, which is advantageous for general-purpose turning and semi-finish operations. The 0° (negative) rake produces a stronger cutting edge that is less prone to chipping during interrupted cuts or heavy depth passes. This geometry translates into reliable edge strength and more predictable wear, which helps planners define tool-change intervals and maintain process stability.

Consistent interchangeability with defined tolerances

Manufactured to tolerance class G, the insert delivers consistent fit and repeatability across toolholders specified for this designation. Precise tolerances reduce the need for individual adjustments at each changeover and support faster setup times on the machine. Defined dimensional consistency also simplifies inventory management and supports automated tool-change strategies where repeatability is critical.

Thermal resilience for temperature-stressed operations

The open-series Walter cutting grade emphasises temperature resistance, making the insert particularly suitable where high surface temperatures are expected. The ceramic composition resists softening and maintains cutting geometry under heat, which benefits surface finish and dimensional control in many alloys when the correct cutting data are applied. For exact workpiece suitability, the product matrix should be consulted to match the grade to the intended ISO material group.

Clear specifications for confident tooling decisions

Key data such as plate form, corner radius, free angle and series designation are stated to aid selection and integration into existing tooling systems. The insert’s classification in the Walter Schneidstoffsorte series provides a reference point for engineers assessing process windows and for purchasing teams managing compatible parts lists. Technical clarity supports faster decisions and reduces trial-and-error at the machine.

Handling, clamping and economy of use

The insert’s configuration allows multiple indexing options per corner, supporting extended cutting life and lower tooling cost per component. Correct clamping and secure seating in a matched toolholder preserve the tolerance benefits and edge security; regular checks for seating and rotation ensure the geometry’s advantages are realised. When paired with suitable cutting data and holder rigidity, the indexable system improves overall process economy.

For machining tasks that demand high cutting speeds and thermal stability, consider Walter Tools inserts — contact Metav Werkzeuge for tailored advice and application support at info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: SNGN120712T02020-WCK10-WALTER
• Product type: Turning indexable insert
• Series: Walter Schneidstoffsorte - Serie offen

Facts

• Plate form: Quadrate 90°
• Plate size: 12
• Plate thickness: 07
• Corner radius: 1.2 mm
• Free angle: 0° (negative)
• Tolerance class: G

Special features

• Cutting grade: WCK10 (ceramic cutting grade)
• Designation: SNGN120712T02020 WCK10
• Series note: suitability by product matrix to be checked
• Application note: engineered for high cutting speeds and temperature resistance

FAQ

What materials is this insert intended for?
The SNGN120712T02020 WCK10 insert is a ceramic cutting grade designed for high-speed, temperature-stable machining; specific material suitability should be verified in the Walter product matrix for the matching ISO workpiece group.

How does the 0° negative free angle affect performance?
A 0° (negative) free angle increases edge strength and resistance to chipping, which benefits interrupted cuts and heavier depth-of-cut applications when using the SNGN120712T02020 insert.

What does tolerance class G mean for toolholders?
Tolerance class G indicates consistent dimensional accuracy for reliable fit and repeatability in compatible toolholders, supporting predictable changeover and process stability with this insert.

Manufacturer / Responsible: Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only. There is no connection between our company and the named brands. The offered item is an original factory-new product of Walter Tools.