SCMW09T308-RK6 WKK20S Wendeplatten - Walter Tools

Take advantage of the combination of high wear resistance, RK6 chip control and easy integration into standard turning holders for consistent, productive machining of cast iron; order the SCMW09T308-RK6 WKK20S directly via Metav Werkzeuge or ask our consultants if needed.

SCMW09T308-RK6 WKK20S indexable turning insert – Tiger·tec Silver grade, RK6 chipbreaker, for cast iron

SCMW09T308-RK6 WKK20S is an indexable turning insert optimised for machining cast iron components in demanding production environments.

• RK6 chipbreaker for consistent chip control
• Tiger·tec Silver coating for high wear resistance
• Suitable for cast iron machining applications
• 7° clearance angle for reliable cutting geometry

Consistent performance on abrasive cast iron

The combination of the RK6 chipbreaker and Tiger·tec Silver coating provides predictable cutting behaviour when working with abrasive grey and nodular cast irons. The ceramic‑enhanced coating reduces abrasive wear on the cutting edge, which translates into longer tool life and fewer interruptions for index changes. For production shops this means a measurable improvement in process stability and reduced index consumption, supporting higher throughput without compromising component quality.

Reduced risk of built‑up edge and controlled chip formation

The insert’s geometry—including the 7° clearance and 0.8 mm corner radius—helps maintain a stable cutting edge and promotes short, easily evacuable chips when turning cast iron. This geometry lowers the likelihood of built‑up edge formation and provides a consistent surface finish on each pass. The WKK20S grade is tuned to resist the typical abrasive wear of cast iron while retaining enough toughness to withstand intermittent cutting forces, so component tolerances are maintained and rework is minimised.

Easy integration with common tool holders and turning systems

The square 90° form and compact size ensure compatibility with a wide range of standard turning tool holders; the plate thickness T3 offers a robust seating in the pocket for repeatable indexing. The ISO designation SCMW09T308‑RK6 reflects a standardised geometry that simplifies tool planning and inventory: replacement inserts fit existing holder families, reducing tooling system complexity and simplifying operator training.

Productivity gains and application guidance

Using a coated, application‑specific grade such as WKK20S typically reduces downtime for insert changes and helps keep cycle times consistent across batches. For workshops seeking to optimise cycle time and surface finish on cast iron parts, this insert delivers a balance of wear resistance and edge stability that supports both roughing and medium finishing operations when cutting parameters are selected accordingly. For application recommendations and cutting data tailored to particular cast iron grades, Metav Werkzeuge’s technical consultants can provide cutting speeds, feeds and depth‑of‑cut guidance.

For machining cast iron components with proven process security, rely on Walter Tools’ Tiger·tec Silver grade; contact Metav Werkzeuge for order placement or personalised technical advice.

Technical Data

• Article number: SCMW09T308-RK6-WKK20S-WALTER
• Product type: Indexable turning insert
• Manufacturer: Walter Tools
• Designation: SCMW09T308-RK6 WKK20S

Facts

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

Special features

• Series: Tiger·tec Silver
• Grade: WKK20S
• Chipbreaker: RK6
• Suitable for cast iron machining
• Plate form: Square 90°

FAQ

What materials is this insert designed to machine?
The SCMW09T308-RK6 WKK20S insert from Walter Tools is designed specifically for machining cast iron materials and is optimised for abrasive chip conditions typical of these alloys.

How does the RK6 chipbreaker benefit production processes?
The RK6 chipbreaker promotes short, controllable chips during turning operations, improving chip evacuation and reducing the risk of entanglement or surface damage in continuous manufacturing environments.

What advantages does the Tiger·tec Silver coating offer?
Tiger·tec Silver enhances abrasive wear resistance and edge stability, extending the life of the WKK20S grade and maintaining consistent cutting performance over longer production runs.

Is the insert compatible with standard tool holders?
Yes; the square 90° form and ISO designation make the insert suitable for a variety of common turning tool holders, with the T3 thickness ensuring secure seating and repeatable indexing.

For which operations is this grade most suitable?
The insert performs well in roughing and medium finishing on cast iron when appropriate cutting parameters are applied; consult the technical guidance for optimal speed and feed recommendations for specific cast iron grades.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking and forms part of the Swedish Sandvik group. Protected trademarks and trade names are the property of their respective owners and are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The offered article is an original, factory‑new product from the manufacturer.