TNMU11T304R-G57 WKP25S Wendeplatten - Walter Tools

Take advantage of a proven Tiger‑tec Silver coating and the wear‑resistant WKP25S grade for reliable, economical milling of steel and cast iron; the insert’s triangle 60° geometry with a 0.4 mm corner radius offers multiple indexing options and stable chip control. Order the TNMU11T304R-G57 WKP25S directly via Metav Werkzeuge or consult our specialists for application advice.

TNMU11T304R-G57 WKP25S — Indexable Milling Insert, Tiger‑tec Silver, for Steel and Cast Iron (Walter Tools)

TNMU11T304R-G57 WKP25S is an indexable milling insert designed for robust general‑purpose milling in industrial production, optimised for machining steel and cast iron components

• Tiger‑tec Silver coated carbide grade WKP25S
• Suitable for steel (P) and cast iron (K)
• Triangle 60° geometry, 0.4 mm corner radius
• Negative rake 0° for secure engagement

Consistent material coverage for mixed production runs

The combination of a coated carbide grade from the Tiger‑tec Silver series and the WKP25S chemistry provides a broad application window for both steel and cast iron, classified as P and K materials under ISO 513. This design reduces the need for multiple specialised grades and supports mixed production sequences, which helps to maintain throughput and reduce setup complexity. The integrated G57 chipbreaker improves chip formation in short‑breaking and continuous chip conditions typical of these workpiece groups.

Robust geometry for predictable tool life and process security

A triangle 60° insert shape delivers three indexable cutting edges, enabling economical edge changes and longer life per insert. The 0.4 mm corner radius balances edge strength and surface quality, while the negative rake 0° creates a stable cutting engagement in interrupted or heavy cuts. Together these geometry choices support repeatable machining results and lower the likelihood of unexpected tool failures, contributing to higher overall equipment effectiveness on the shop floor.

Coating and grade engineered for abrasion and heat resistance

The surface engineering of the insert, using the Tiger‑tec Silver coating technology, enhances thermal and abrasive resistance compared with uncoated grades. The WKP25S specification delivers wear control under the elevated temperatures generated when cutting steel and the abrasive tendencies of cast iron. This combination helps to maintain a reliable cutting edge over longer cycles, which translates into fewer tool changes and improved productivity in continuous machining operations.

Integration advantages and operational benefits

With a standard ISO TNMU11T304R-G57 designation and compact T3 plate thickness, the insert fits established milling practices and toolholder systems that accept this family of indexable inserts. The tolerance class M ensures consistent fit and indexing accuracy, which aids in maintaining part tolerances across runs. By selecting this insert, operators gain a balance of process reliability and economical edge utilisation, making it well suited to series production as well as jobbing environments where material variety and robustness are priorities.

Choose the Walter Tools Tiger‑tec Silver WKP25S insert for predictable milling performance and contact Metav Werkzeuge for tailored application guidance or to request a quotation via info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• Article number: TNMU11T304R-G57-WKP25S-WALTER
• Manufacturer: Walter Tools
• Series: Tiger‑tec Silver
• Grade: WKP25S
• Designation: TNMU11T304R-G57 WKP25S

Facts

• Geometry: Triangle 60°
• Corner radius: 0.4 mm
• Rake angle: 0° (negative)
• Plate size: 11
• Thickness: T3
• Tolerance class: M

Special features

• Coating: Tiger‑tec Silver
• Material: Coated carbide (WKP25S)
• Chipbreaker: G57
• Application: Steel (P) and cast iron (K) per ISO 513
• Series benefit: Broad material coverage and stable chip formation

FAQ

What materials can this insert machine effectively?
The TNMU11T304R-G57 WKP25S is formulated for machining steel (P) and cast iron (K) according to ISO 513, offering effective chip control and wear resistance for these groups.

How does the Tiger‑tec Silver coating benefit machining?
Tiger‑tec Silver increases thermal and abrasive resistance on the cutting edge of the WKP25S insert, extending tool life and supporting consistent performance in demanding steel and cast iron applications.

What is the purpose of the negative rake 0° on this insert?
The negative rake of 0° improves edge robustness and stability under heavy or interrupted cutting, which helps reduce chipping and provides predictable cutting behaviour during tough machining tasks.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and registered trademarks are mentioned solely for explanation and identification purposes. There is no affiliation between our company and the trademark owners. The offered item is an original, factory‑new product of the manufacturer.