VCMT160408-RK4 WKK10S RK4 Wendeplatten - Walter Tools

Efficient machining performance from the combination of a Tiger·tec Silver coating and an RK4 chipbreaker delivers stable chip control and extended edge life in abrasive cast iron applications; the rhombic 35° geometry and 0.8 mm corner radius further support repeatable turning results. Order the insert via Metav Werkzeuge for reliable supply, or contact our consultants for process-specific recommendations.

VCMT160408-RK4 WKK10S turning indexable insert – Tiger·tec Silver coating, RK4 chipbreaker | Walter Tools

A VCMT160408-RK4 WKK10S turning indexable insert optimised for high-performance cast iron turning and consistent chip control in production environments.

• Tiger·tec Silver coating for wear resistance
• Rhombic 35° geometry for versatile turning
• RK4 chipbreaker for stable chip control
• 0.8 mm corner radius for robust edge life

Consistent productivity when machining cast iron

The combination of a dedicated chipbreaker and a coated substrate is crucial for machining abrasive cast iron. This insert, built on a coated carbide grade from the Tiger·tec Silver family, focuses on controlling the short, brittle chips typical of cast iron. The RK4 chipbreaker promotes predictable chip formation, reducing the risk of built-up edge and machine downtime. For production runs, this reliably improves cycle times and lowers scrap rates by keeping the process stable.

Longer tool life through advanced coating and geometry

A hard-wearing Tiger·tec Silver coating paired with a balanced geometric design reduces abrasive wear and preserves the cutting edge. The 0.8 mm corner radius and the rhombic 35° shape distribute cutting forces evenly, which helps prevent premature edge chipping when facing intermittent cuts or interrupted surfaces. The result is fewer insert changes and longer intervals between tool inspections, enhancing overall process economy without sacrificing surface quality.

Predictable results with production-oriented features

The insert’s 7° relief angle and tolerance class M provide precision and repeatability for series production. The package thickness and form factor support secure clamping and repeatable seating in standard toolholders, which aids set-up speed and positional accuracy. Designed specifically for the material group cast iron, the grade delivers a good balance between wear resistance and toughness, making it suitable for a range of cast components where consistent machining performance is required.

Speak to Metav Werkzeuge for tailored process advice or availability of Walter Tools inserts — our consultants will recommend cutting parameters and holders for optimal results in cast iron turning.

Technical data

• Article number: VCMT160408-RK4-WKK10S-WALTER
• Designation: VCMT160408-RK4 WKK10S
• Product type: turning indexable insert
• Brand: Walter Tools
• Series: Tiger·tec Silver
• Chipbreaker: RK4

Facts

• Insert size: 16
• Thickness code: 04
• Corner radius: 0.8 mm
• Relief angle: 7°
• Geometry: Rhombus 35°
• Tolerance class: M

Special features

• Coating: Tiger·tec Silver
• Grade: WKK10S (coated carbide)
• Suitable material group: cast iron (K)
• Execution: T
• Focused on abrasive wear resistance and chip control for cast iron

FAQ

What materials is this insert best suited for? This insert is designed for machining cast iron; the WKK10S grade and Tiger·tec Silver coating specifically address the abrasive wear and short-chipping behaviour of cast materials.

How does the RK4 chipbreaker affect machining? The RK4 chipbreaker promotes controlled, short chips in cast iron, improving chip evacuation and reducing the likelihood of built-up edge during continuous and interrupted cuts.

Can this insert be used for stainless steel or aluminium? The grade and geometry are optimised for cast iron; for materials such as stainless steel or aluminium, select an insert and grade specifically developed for those groups to ensure performance and tool life.

What benefits does the rhombic 35° geometry provide? Rhombic 35° geometry offers versatility for general turning operations and provides favourable cutting angles for consistent surface finish and dimensional control on cast components.

Is the corner radius suitable for heavy cuts? The 0.8 mm corner radius balances edge strength and form accuracy; it provides robust edge life for many production turning operations while still allowing fine surface results.

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

Protected trademarks and product names are the property of their respective owners. Brand names and registered trademarks are used for explanation only. No connection exists between Metav Werkzeuge and the mentioned brands beyond product distribution. The offered article is an original, factory-new part from Walter Tools.