CCMW09T308-RK6 WKK20S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Silver coating for abrasive materials and the RK6 chipbreaker for controlled short chips to maintain stable cycle times and reduced tool changes; order the insert directly via Metav Werkzeuge or contact our consultants for suitability and application advice.

CCMW09T308-RK6 WKK20S turning insert for cast iron, Tiger‑tec Silver — Walter Tools

CCMW09T308-RK6 WKK20S is a rhombic 80° indexable turning insert optimised for machining cast iron with a robust chip control geometry.

• Tiger‑tec Silver coating for cast iron
• Rhombic 80° cutting geometry for strength
• RK6 chipbreaker for short, controllable chips
• 7° clearance angle with r0.8 cutting edge

Consistent productivity through proven coating technology

The Tiger‑tec Silver coating combined with the WKK20S grade is engineered for the abrasive nature of cast iron, delivering a balance between wear resistance and toughness. This results in predictable tool life and fewer unscheduled changes, which supports continuous production. The coating reduces flank wear on the cutting edge, while the substrate metallurgy maintains edge integrity under interrupted cutting conditions. The overall effect is improved process efficiency and lower part variability during long production runs.

Short-chip formation for safer, cleaner turning

Equipped with the RK6 chipbreaker and a rhombic 80° geometry, this insert promotes the formation of short, breaking chips when turning cast iron. Short chips reduce the risk of entanglement around the tool and workpiece, simplifying chip evacuation and lowering secondary cleaning or handling steps. For workshops seeking reliable cycle times, the controlled chip form translates into fewer stoppages and a cleaner machining environment, contributing to operator safety and consistent surface quality.

Robust edge geometry for reliable surface finish

The insert's 7° clearance angle and r0.8 cutting edge radius provide a compromise between edge strength and surface finish. The modest clearance prevents rubbing while the rounded corner absorbs cutting forces, reducing edge chipping under heavy engagement. This combination helps to achieve repeatable surface integrity on cast-iron components and supports stable dimension control across batches. The medium tolerance class and standard thickness ensure interchangeability in common insert holders.

Practical selection and integration in production

As an indexable insert designed for cast-iron applications, this solution fits established toolholders and turning systems without the need for special equipment. The designation follows common ISO-style naming for easy integration into tool lists and procurement. For production engineers, the clear specification of geometry, chipbreaker type and grade simplifies cutter selection and process planning, enabling predictable cycle-time estimates and tool-life calculations.

Contact Metav Werkzeuge for application-specific recommendations or to discuss cutting data and holder compatibility; reach out at info@metav-werkzeuge.com or +49 2822 7131930 and reference CCMW09T308-RK6 WKK20S to expedite advice.

Technical data

• Article number: CCMW09T308-RK6-WKK20S-WALTER
• ISO designation: CCMW09T308-RK6 WKK20S
• Product type: Drehwendeschneidplatte
• Series: Tiger‑tec Silver
• Grade: WKK20S
• Manufacturer: Walter Tools

Core specifications

• Clearance angle: 7°
• Corner radius: 0.8 mm
• Insert size: 09
• Thickness: T3
• Tolerance class: M

Materials & special features

• Coating: Tiger‑tec Silver
• Intended material: Cast iron (K)
• Chipbreaker: RK6
• Geometry: Rhombic 80°
• Execution: W

FAQ

What materials is this insert optimised for? This insert, CCMW09T308-RK6 WKK20S by Walter Tools, is optimised for machining cast iron; the WKK20S grade and Tiger‑tec Silver coating address abrasive wear and typical chip behaviour of cast materials.

How does the RK6 chipbreaker affect machining? The RK6 chipbreaker on the CCMW09T308-RK6 WKK20S insert produces short, controllable chips, improving chip evacuation and reducing the likelihood of chip entanglement during turning of cast-iron workpieces.

Can this insert be used in standard toolholders? Yes, the CCMW09T308-RK6 WKK20S follows common ISO-style dimensions and fits standard indexable turning toolholders that accept rhombic 80° inserts of size 09 and thickness T3.

What benefit does the Tiger‑tec Silver coating provide? The Tiger‑tec Silver coating increases wear resistance against abrasive cast-iron surfaces while maintaining sufficient toughness to resist edge chipping, resulting in more predictable tool life and process stability.

Which features support repeatable surface quality? The combination of a rhombic 80° geometry, a 7° clearance angle and an r0.8 corner radius on the CCMW09T308-RK6 WKK20S insert helps maintain edge strength and consistent surface finish during production runs.

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

The Walter AG (brand: Walter Tools) is among the world’s leading manufacturers of precision tools for metalworking and is part of the Sandvik Group. Protected trademarks and product names are the property of their respective owners and are mentioned solely for explanation. There is no affiliation between our company and the named brands. The offered item is an original, factory-new product from the manufacturer.