LNGX130725R-L55 WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of the Tiger·tec Silver coating and the WKP25S carbide grade for long tool life and consistent chip control; the insert’s 0° negative rake and 2.5 mm corner radius provide stable cutting in steel and cast iron—order directly via Metav Werkzeuge or consult the specialists for application and availability.

LNGX130725R-L55 WKP25S milling indexable insert — Tiger·tec Silver, for steel and cast iron (Walter Tools)

A LNGX130725R-L55 WKP25S milling indexable insert engineered for robust face and shoulder milling of steel and cast-iron components.

Tiger·tec Silver coating technology WKP25S coated carbide grade 0° negative rake for stable cuts 2.5 mm corner radius, rectangular shape

Consistent process stability for heavy-duty milling

The combination of the Tiger·tec Silver technology and the WKP25S grade delivers high wear resistance and thermal stability, which translates into longer tool life and fewer insert changes during production runs. As a milling indexable insert, this geometry is optimised for repeatable engagement in interrupted and continuous cuts, reducing vibration and preserving tool edge integrity. The result is improved component quality and predictable cycle times, supporting overall shop-floor efficiency and cost control.

Coating and grade explained — why it matters for steel and cast iron

The WKP25S designation identifies a coated carbide grade tailored to the thermal and abrasive demands of steel and cast iron. The coating reduces flank and crater wear under elevated temperatures while maintaining a sharp cutting edge for consistent surface finish. In practice, this means fewer unplanned tool changes and stable tolerances across batches. For purchasers seeking reliable performance across common ISO P and K groups, the tested combination of grade and coating is a pragmatic choice.

Geometry and chip control for predictable results

This insert’s 0° negative rake produces a robust cutting edge that resists chipping under heavy engagement, while the L55 chipbreaker and the 2.5 mm corner radius guide chip formation to avoid recutting and machine downtime. A rectangular form factor ensures secure seat fitment and straightforward indexation. These geometric choices favour stable cutting forces, especially when machining interrupted surfaces or varying workpiece cross-sections, and they simplify parameter selection for process engineers.

Practical benefits on the shop floor and in production planning

Specifying a standardised insert such as this one from Walter Tools reduces inventory complexity and supports predictable procurement cycles. The combination of grade, coating and geometry enables conservative machining windows where tool life is prioritised without sacrificing productivity. For workshops aiming to balance throughput with surface integrity, this insert helps maintain batch consistency and reduces the need for frequent requalification of tooling setups.

For application-specific setup advice, batch supply or to confirm suitability for particular steels and cast-iron grades, contact Metav Werkzeuge for expert consultation and fast delivery coordination.

Technical data

• SKU: LNGX130725R-L55-WKP25S-WALTER
• Article: LNGX130725R-L55 WKP25S
• Product type: Fräswendeschneidplatte (milling indexable insert)
• Series: Tiger·tec Silver
• Grade: WKP25S
• Execution: X

Numbers / Core technical data

• Size: 13
• Corner radius: 2.5 mm
• Relief angle: 0° (negative)
• Plate thickness: 07
• Tolerance class: G

Special features / Versions

• Coating technology: Tiger·tec Silver
• Material designation: P / K (steel and cast iron)
• Chipbreaker: L55
• Plate form: Rectangular
• Manufacturer: Walter Tools

FAQ

What materials is this insert suitable for? This insert is designed for steel (ISO P) and cast iron (ISO K) applications; the WKP25S grade and Tiger·tec Silver coating make it suitable for typical machining conditions in these material groups.

How does the 0° negative rake affect machining? A 0° negative rake provides a stronger cutting edge for interrupted and heavy cuts, increasing resistance to edge chipping and promoting stable cutting when using the LNGX130725R-L55 WKP25S insert.

What role does the L55 chipbreaker play? The L55 chipbreaker controls chip shape to prevent long, tangled swarf and reduces the risk of recutting, which helps to maintain surface finish and machine uptime when milling steel and cast iron.

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

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