CNMG120412-MK5 WKK10S Wendeplatten - Walter Tools

High wear resistance and optimised chip control make this insert a reliable choice for productive cast iron machining; consistent tool life reduces downtime and improves process stability. Order directly via Metav Werkzeuge or consult the technical team for tailored application advice.

CNMG120412-MK5 WKK10S indexable turning insert, Tiger·tec Silver coating, for cast iron — Walter Tools

The CNMG120412-MK5 WKK10S is an indexable turning insert engineered for efficient machining of cast iron, offering a negative 0° rake and a 1.2 mm corner radius for robust cutting performance

• Tiger·tec Silver coating for wear resistance
• Grade WKK10S tuned for cast iron
• MK5 chipbreaker for controlled chip formation
• Rhombic 80° geometry with 1.2 mm radius

Productive machining with long tool life

The combination of the Tiger·tec Silver coating and the WKK10S carbides delivers high resistance to abrasive wear, which is especially beneficial when machining cast iron. This surface treatment reduces flank and crater wear, translating into longer intervals between index changes and fewer unplanned tool interventions. The result is improved process efficiency and more predictable planning of tool consumption, which supports a stable production flow for serial and batch operations.

Stable chip formation and process security

The MK5 chipbreaker is designed to control the inherently short, breaking chips typical of cast iron, promoting safe evacuation and reducing the risk of chip re-cutting. The rhombic 80° geometry combined with a 1.2 mm corner radius provides a reliable cutting edge that withstands intermittent loads and interrupted cuts. For engineers seeking repeatable surface quality and low vibration, the insert’s geometry contributes to consistent part finish and machining stability across a range of feed rates.

Practical integration and application scope

As an indexable turning insert in the CNMG format, this item fits common CNMG toolholders and is suitable for a variety of turning operations on grey and ductile cast irons. The tolerance class M and execution G indicate manufacturing precision and grade of finish relevant for production environments. Operators benefit from straightforward indexing and predictable tool behaviour, enabling efficient changeovers and simplified tool management in multi-shift workshops.

Contact Metav Werkzeuge today to discuss toolholder compatibility and application-specific recommendations for this Walter Tools insert and secure optimal machining results

Technical data

• Article number: CNMG120412-MK5-WKK10S-WALTER
• Designation: CNMG120412-MK5 WKK10S
• Series: Tiger·tec Silver

Facts

• Shape: Rhombus 80°
• Size: 12
• Thickness: 04
• Corner radius: 1.2 mm

Special features

• Grade: WKK10S
• Chipbreaker: MK5
• Clearance angle: 0° (negative)
• Material group: K (cast iron)
• Tolerance class: M
• Execution: G

FAQ

Which materials is this insert suitable for?
The CNMG120412-MK5 WKK10S by Walter Tools is specifically designed for the machining of cast iron and performs well where abrasive wear and short, breaking chips are expected.

What benefit does the Tiger·tec Silver coating provide?
Tiger·tec Silver on the WKK10S grade improves wear resistance and reduces flank and crater wear, helping to maintain consistent cutting performance over extended production runs.

How does the MK5 chipbreaker affect chip control?
The MK5 chipbreaker shapes short, segmented chips typical of cast iron, promoting safe evacuation and reducing the likelihood of chip entanglement during turning operations.

Is this insert compatible with standard CNMG toolholders?
The CNMG120412-MK5 WKK10S conforms to the CNMG geometry and is compatible with standard CNMG toolholders designed for rhombic 80° inserts.

What edge preparation is provided for interrupted cuts?
With a 1.2 mm corner radius and a 0° negative rake, the insert offers a robust cutting edge suited to interrupted cuts and variable turning conditions.

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 registered trademarks are mentioned for explanatory purposes only. There is no affiliation between our company and the mentioned brands. The offered item is an original, factory-new product of the manufacturer.