VNMA160408-RK5 WKK10S WKK10S Wendeplatten - Walter Tools

High productivity and consistent edge life result from the combination of the Tiger·tec Silver coating and the optimised RK5 chipbreaker, delivering reliable performance in abrasive cast iron turning. The robust rhombic 35° geometry with a 0° negative rake angle ensures process security during interrupted cuts. Order the VNMA160408-RK5 WKK10S directly via Metav Werkzeuge or ask our consultants if needed.

VNMA160408-RK5 WKK10S indexable turning insert for cast iron — Walter Tools

VNMA160408-RK5 WKK10S is an indexable turning insert engineered for efficient machining of cast iron, combining a rhombic 35° form with a wear-resistant coating.

• Tiger·tec Silver coating increases wear resistance
• Optimised RK5 chipbreaker for cast iron chips
• Rhombic 35° geometry for secure turning
• Negative 0° rake angle for robust cutting

Prolonged tool life through advanced coating technology

The insert uses the Tiger·tec Silver coating, a multi-layer PVD/CVD-inspired technology developed for abrasive materials. This surface treatment reduces flank and crater wear and stabilises the cutting edge, which extends the edge life under heavy-duty turning conditions. For production environments where insert changes increase cycle times, this enhanced durability contributes directly to improved machine uptime and lower tooling consumption.

Predictable chips and stable cutting for process security

Equipped with an RK5 chipbreaker specifically tuned for iron alloys, the insert ensures consistent chip control and helps prevent clogging or uncontrolled chip formation. Stable chips simplify disposal and reduce the risk of surface defects, while the combined geometry and chipbreaker improve repeatability. This technical reliability supports higher feed rates and reduces the likelihood of unplanned stoppages, reinforcing overall process security.

Geometry designed for strength and dimensional stability

The rhombic 35° form together with a 0.8 mm corner radius gives a balanced mix of edge strength and surface finish capability. The negative 0° rake angle increases the cutting edge robustness for interrupted cuts and heavy engagement, making the insert suitable for demanding turning operations. These geometric choices reduce vibration sensitivity and support consistent part accuracy, which benefits both roughing and semi-finish applications.

Focused application: optimised for cast iron (ISO group K)

This grade WKK10S is tailored for the challenges of machining cast iron (ISO group K), where abrasive wear and short, breaking chips are typical. The material combination and chip former are selected to manage the abrasive nature of grey and ductile cast irons, ensuring reduced flank wear and stable dimensional results. For shops seeking cost-effective, repeatable performance in iron turning, the insert is a practical choice that reduces downtime and maintains surface quality.

Contact Metav Werkzeuge to discuss suitability for specific cast-iron applications and to order the VNMA160408-RK5 WKK10S from Walter Tools — eMail: info@metav-werkzeuge.com / Tel: +49 2822 7131930

Technical data

• Article number: VNMA160408-RK5-WKK10S-WALTER
• Name: VNMA160408-RK5 WKK10S
• Manufacturer: Walter Tools
• Product type: Indexable turning insert

Dimensions & core data

• Insert size: 16 mm
• Corner radius: 0.8 mm
• Rake angle: 0° (negative)
• Thickness code: 04
• Tolerance class: M

Design & special features

• Series: Tiger·tec Silver
• Grade: WKK10S
• Chipbreaker: RK5
• Form: Rhombic 35°
• Suitable for: Cast iron (ISO group K)

FAQ

What materials is this insert suitable for?
The VNMA160408-RK5 WKK10S from Walter Tools is designed primarily for cast iron (ISO group K), optimised to handle abrasive wear and short-breaking chips.

Which chipbreaker should be expected on this grade?
This insert features the RK5 chipbreaker, configured for reliable chip formation and evacuation when machining cast iron.

What performance benefit does Tiger·tec Silver provide?
The Tiger·tec Silver coating improves wear resistance and stabilises the cutting edge, which lengthens tool life and reduces interruptive maintenance.

Can the insert be used for roughing and finishing?
Yes, the rhombic 35° geometry and 0.8 mm corner radius provide sufficient edge strength for roughing while still enabling acceptable surface finishes in semi-finishing operations.

How are wear and end-of-life of the insert identified?
Wear is visible as progressive flank or crater wear and loss of dimensional accuracy; when surface finish or part tolerance degrades, replace the insert to maintain process stability.

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

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