WNMG080408-MW5 WKK20S WKK20S Wendeplatten - Walter Tools

Benefit from a combination of Tiger·tec Silver coated carbide and the MW5 chipbreaker for consistent, productive cast‑iron turning; the Trigon 80° geometry with a 0.8 mm corner radius delivers stable edge life and reliable process security. Order the WNMG080408‑MW5 WKK20S directly via Metav Werkzeuge or ask our consultants if needed.

WNMG080408-MW5 WKK20S indexable turning insert — Tiger·tec Silver coated, for cast iron (Walter Tools)

The WNMG080408‑MW5 WKK20S is a Trigon 80° indexable turning insert engineered for efficient and repeatable machining of cast‑iron components in industrial turning operations.

• Tiger·tec Silver coated carbide grade WKK20S
• Trigon 80° geometry for stable cutting
• MW5 chipbreaker optimised for cast iron
• 0.8 mm corner radius for improved edge life

Maximise uptime with abrasion‑resistant coating and a robust grade

The combination of the Tiger·tec Silver coating and the WKK20S grade provides high resistance to abrasive wear typical of cast‑iron chips, which translates directly into longer tool life and fewer insert changes. The coated carbide construction ensures predictable performance under the fluctuating loads of series production, reducing unplanned stoppages and supporting a steady production flow. For operations that prioritise machining economy, the grade’s balance between durability and toughness makes it suitable for both roughing and finishing steps on grey and nodular cast iron.

Consistent chip control for safer, higher‑quality turning

The MW5 chipbreaker is tuned for the short, breaking chips that occur when machining cast iron, improving chip evacuation and reducing the risk of entanglement. Stable chip formation lowers cutting forces and vibration, which helps to maintain a consistent surface finish and reduces the likelihood of interrupted cuts. This improved chip management supports higher process reliability and can enable higher effective cutting speeds while maintaining component quality.

Geometry and edge strength for stable, repeatable results

The Trigon 80° insert form combined with a 0° (negative) relief geometry gives a low cutting‑edge exposure suited to demanding turning tasks, especially where interrupted cuts or heavy cross‑sections occur. The 0.8 mm corner radius increases edge stability and distributes cutting loads across a larger contact area, slowing flank wear and preserving dimensional accuracy over longer tool cycles. These geometric choices support repeatable component tolerances and reduce the need for frequent rework in high‑volume environments.

Easy integration into standard toolholders and predictable inventory management

This indexable insert follows standard WNMG conventions, allowing straightforward replacement in commonly used turning toolholders and simplifying tool inventory. The Walter Tools series consistency means predictable clamping and interchangeability across machining centres. For procurement and production planning, the combination of a universal geometry and a cast‑iron‑focused grade reduces the number of different items required, supporting leaner stockkeeping and faster changeovers on the shop floor.

Ask Metav Werkzeuge for application advice on the Walter Tools WNMG080408‑MW5 WKK20S — phone +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• SKU: WNMG080408-MW5-WKK20S-WALTER
• Article: WNMG080408-MW5 WKK20S
• Type: indexable turning insert
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver

Core technical data

• Size: 08
• Thickness: 04
• Corner radius: 0.8 mm
• Relief angle: 0° (negative)
• Tolerance class: M

Special features

• Grade: WKK20S (coated carbide)
• Chipbreaker: MW5
• Plate form: Trigon 80°
• Application: cast iron machining

FAQ

What materials is this insert designed for?
The WNMG080408‑MW5 WKK20S is optimised for cast iron applications; the WKK20S grade and MW5 chipbreaker provide controlled chip formation for grey and nodular cast iron.

Is the insert suitable for roughing and finishing operations?
Yes, the combination of the WKK20S grade and Trigon 80° geometry enables both roughing and finishing on cast‑iron components with predictable edge life.

How does the MW5 chipbreaker affect machining?
The MW5 chipbreaker encourages short, breaking chips when machining cast iron, improving chip evacuation and reducing vibration for better surface quality.

What does the 0.8 mm corner radius deliver in practice?
A 0.8 mm corner radius increases edge robustness, reduces flank wear and supports dimensional stability during longer cutting cycles.

Can this insert be used in standard WNMG toolholders?
Yes, the insert follows standard WNMG conventions and integrates with commonly used turning toolholders for easy replacement and inventory management.

Manufacturer: Walter Tools; Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

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