CPGT060204-MK4 WKK20S WKK20S Wendeplatten - Walter Tools

Take advantage of the Tiger‑tec Silver grade and the MK4 chipbreaker to secure consistent tool life and stable chip control when machining abrasive cast iron; order the insert directly via Metav Werkzeuge or request application advice from their consultants.

CPGT060204-MK4 WKK20S indexable turning insert — Tiger‑tec Silver, for cast iron (Walter Tools)

The CPGT060204-MK4 WKK20S is an indexable turning insert engineered for productive, repeatable machining of cast iron components, combining a wear‑resistant grade with a geometry tuned for stable cutting.

• Tiger‑tec Silver coating for enhanced wear resistance
• Optimised MK4 chipbreaker for stable chip control
• 80° rhombic geometry with 11° clearance angle
• Radius 0.4 mm for consistent surface finish

Long life under abrasive conditions for cast iron

The combination of the WKK20S grade and the Tiger‑tec Silver coating is designed to resist the abrasive wear typical of cast iron applications. The insert’s coated cemented carbide construction provides a wear‑resistant cutting edge that prolongs service intervals and reduces tool changes, supporting higher uptime in batch production. This wear resistance translates directly into predictable tool life and lower overall machining costs when facing highly abrasive grey or nodular cast irons.

Stable chip control and improved surface quality

A dedicated MK4 chipbreaker and the 80° rhombic outline deliver controlled chip formation and evacuation during turning of cast iron workpieces. The moderate 11° clearance angle reduces rubbing and enhances cutting efficiency, while the 0.4 mm corner radius helps maintain a consistent surface finish without compromising edge strength. These geometry choices contribute to process reliability and make the insert suitable for a range of finishing and light‑roughing operations in foundry component manufacture.

Productivity and process security in series production

Integration of a coated grade with optimised geometry offers immediate benefits for production environments that demand repeatability and high throughput. The insert’s specifications support consistent cutting performance and reduce the need for frequent intervention, which assists in maintaining cycle times and part quality. Documentation of the grade’s suitability for cast iron allows planning of tool‑change intervals and cost‑per‑part calculations, supporting data‑driven decisions for manufacturing engineers and toolroom managers.

Practical selection and application notes

Given the insert’s orientation towards cast iron, recommended cutting parameters should be selected with the material’s brittle, abrasive nature in mind; toolpath planning that promotes efficient chip evacuation will make the most of the MK4 chip control. The rhombic geometry offers flexibility for a variety of turning holders designed for CPGT‑style inserts. For tailored recommendations on speeds, feeds and holder compatibility, technical consultation is available through the supplier to match the insert to specific machine and workpiece conditions.

For proven process stability in cast iron turning with the Walter Tools Tiger‑tec Silver grade, contact Metav Werkzeuge to request the CPGT060204-MK4 WKK20S insert or to obtain application‑specific cutting data and ordering options

Technical data

• SKU: CPGT060204-MK4-WKK20S-WALTER
• Designation: CPGT060204-MK4 WKK20S
• Type: indexable turning insert
• Manufacturer: Walter Tools

Core technical data

• Clearance angle: 11°
• Corner radius: 0.4 mm
• Size code: 06
• Thickness code: 02
• Tolerance class: G

Special features

• Series: Tiger‑tec Silver
• Grade: WKK20S
• Chipbreaker: MK4
• Coating / material: coated cemented carbide
• Suitable for: cast iron (K)
• Plate shape: rhombic 80°
• Execution: T

FAQ

Which materials is this insert intended for?
The CPGT060204-MK4 WKK20S insert is specified for cast iron applications; the WKK20S grade and Tiger‑tec Silver coating are tuned to resist the abrasive wear of cast material.

How does the MK4 chipbreaker affect machining?
The MK4 chipbreaker provides controlled chip formation and evacuation when turning cast iron, improving process stability and reducing the risk of entangled chips.

What surface finish can be expected with the 0.4 mm radius?
A 0.4 mm corner radius balances edge strength and finish quality, enabling consistent surface results in finishing and light‑roughing operations on cast iron components.

Is the insert suitable for heavy roughing?
The geometry and grade are optimised for stable, productive cutting in cast iron; for very heavy roughing, selection of insert size and machine capability should be reviewed to confirm suitability.

Does the Tiger‑tec Silver coating improve tool life significantly?
The Tiger‑tec Silver coating is engineered to enhance wear resistance in abrasive environments, contributing to extended tool life and more predictable machining performance.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the named brands. The offered item is an original, factory‑new product of the manufacturer.