DNGA150608SM-S WCH10C WCH10C Wendeplatten - Walter Tools

Take advantage of a wear-resistant, CBN-based cutting grade and a stable rhombic geometry for efficient hard turning and consistent surface quality; order directly via Metav Werkzeuge or consult the technical team for application-specific recommendations.

DNGA150608SM-S WCH10C — Indexable turning insert (CBN) by Walter Tools, for hard turning at high cutting speeds

DNGA150608SM-S WCH10C is an indexable turning insert designed for hard material machining, offering a coated-ceramic CBN grade for demanding finishing and hard turning operations

• CBN-coated for hard turning
• Rhombic 55° geometry for flexibility
• 0° (negative) rake for stable cutting
• 0.8 mm corner radius for precise finishes

Engineered for productive hard turning with lower tool change frequency

The WCH10C grade is a coated ceramic / CBN solution developed for sustained cutting at elevated speeds in hardened materials. As an indexable turning insert, the geometry and grade together reduce flank wear and preserve the cutting edge longer than standard carbide in many hard-turning applications. The result is a measurable improvement in process efficiency: fewer interruptions for insert changes, more consistent component tolerances and a predictable tool-life window. For manufacturing environments where cycle time and repeatability are paramount, this insert supports a stable production rhythm and lower overall machining costs.

Geometry tailored to accuracy and repeatability

The rhombic 55° form combined with a 0.8 mm corner radius produces a repeatable cutting line and controlled chip flow; the chipbreaker S assists in fragmenting chips without compromising surface integrity. A 0° (negative) rake increases edge strength, which is particularly valuable when taking heavy or interrupted cuts on hardened steels. These design choices translate into consistent surface finishes and dimensional stability, reducing the need for downstream rework. For operators transitioning from general-purpose tools, the insert’s geometry makes the behaviour predictable and straightforward to integrate into established process windows.

Robust material selection for temperature resistance and wear control

The WCH10C composition, part of the Walter CBN / hard material series, is formulated to withstand the thermal and mechanical stresses typical of hard turning. Coated ceramic with CBN content offers high temperature resistance and stable wear characteristics when machining hardened steels and pre-hardened workpieces. In practice, this means longer edge life under comparable cutting conditions and more consistent part quality through long runs. Where thermal stability and low flank wear are decisive, the grade provides an economically attractive alternative to repeated carbide changes.

Practical benefits in the production environment

By combining a CBN-capable grade with a stable rhombic platform, this insert supports higher cutting speeds and reliable surface finish under difficult material conditions. The insert’s attributes favour shops aiming to maximise machine uptime and reduce total process cost per part. In addition to process gains, the standardised format of the insert simplifies inventory management: the same insert geometry can be used across a range of hard-turning tasks, reducing SKU proliferation and easing toolholder compatibility planning.

Contact Metav Werkzeuge for tailored cutting parameters and application guidance on the Walter Tools DNGA150608SM-S WCH10C insert and receive expert recommendations for integration into existing turning processes

Technical data

• Article number: DNGA150608SM-S-WCH10C-WALTER
• Type designation: DNGA150608SM-S WCH10C
• Series: Walter CBN / hard material
• Grade: WCH10C
• Execution: A

Numbers / Core technical data

• Inscribed circle / size: 15
• Thickness code: 06
• Corner radius: 0.8 mm
• Rake angle: 0° (negative)
• Tolerance class: G

Special features / Designs

• Shape: Rhombic 55°
• Chipbreaker: S
• Coating / grade description: Coated ceramic (CBN-capable)
• Material application: Hardened steels; pre-hardened steel
• Product type: Indexable turning insert
• Series description: Walter CBN / hard material

FAQ

What materials is this insert suited for?
The DNGA150608SM-S WCH10C insert is formulated for hardened steels and pre-hardened workpieces; the WCH10C grade and Walter CBN series specifically target hard turning applications.

How does the 0° (negative) rake affect cutting behaviour?
A 0° (negative) rake increases edge strength and stability during heavy or interrupted cuts; the DNGA150608SM-S configuration uses this to reduce chipping risk and improve process security.

Is the insert suitable for finishing operations?
Yes. The combination of CBN-capable grade, 0.8 mm corner radius and Rhombic 55° geometry supports precise finishing with consistent surface quality when parameters are set for hard turning.

Can this grade replace carbide tools for hard turning?
In many hard turning tasks, the WCH10C grade offers superior thermal stability and wear resistance compared with conventional carbide, providing longer tool life and more stable results for hardened materials.

What chip control can be expected with this chipbreaker?
The chipbreaker S is designed to produce short, manageable chips under the typical cutting conditions for hard materials, supporting safe and clean chip evacuation in turning operations.

Walter Tools is a trademark or trade name of the respective rights holders. Brand names and protected product designations are mentioned exclusively for explanatory purposes. There is no affiliation between our company and the named manufacturers. The offered item is an original, factory-new product from the stated manufacturer.

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