LNHU090404R-L55T WPP35G WPP35G Wendeplatten - Walter Tools

Take advantage of the combination of a durable Tiger‑tec Gold coating and a geometry optimised for steel to keep cycle times stable and tool changes to a minimum; order directly via Metav Werkzeuge or consult the specialists for cutting‑data support.

LNHU090404R-L55T WPP35G milling indexable insert – Tiger‑tec Gold for steel (Walter Tools)

The LNHU090404R-L55T WPP35G is a rectangular milling insert engineered for efficient machining of steel, combining a Tiger‑tec Gold coated carbide grade with an L55T chipbreaker for controlled chip formation.

• Tiger‑tec Gold coated carbide grade WPP35G
• Optimised chip control with L55T chipbreaker
• 0° negative clearance for stable cutting
• Rectangular insert with 0.4 mm corner radius

Consistent performance with a steel‑focused grade

The WPP35G grade, belonging to the Tiger‑tec Gold series, is a coated carbide designed specifically for machining steels (ISO P). As a result, the insert offers balanced toughness and wear resistance across common steel applications, supporting reproducible tool life and stable cutting forces. The grade composition and coating technology aim to reduce flank wear and maintain a reliable cutting edge under the heat and strain typical of steel machining, which translates directly into fewer unplanned tool changes and more predictable production throughput.

Geometry and edge design for reliable surface finish

A rectangular form with a 0.4 mm corner radius and 0° negative clearance delivers dimensional stability and robust edge support during intermittent or heavy engagement cuts. The integrated L55T chipbreaker promotes consistent chip control, reducing the risk of built‑up edge and aiding coolant access at the cutting zone. Together, these features help to improve surface quality and allow higher material removal rates while keeping vibration low. The insert thickness and size codes indicate a platform suited for stable clamping and repeatable indexability in standard milling toolholders.

Practical process benefits and integration into workflows

In workshop practice, this insert is particularly suitable for operations where steel is the primary material group: roughing passes with consistent chip evacuation and finishing passes where edge stability matters. Using a grade tailored to steel machining supports higher productivity by combining wear resistance and sufficient toughness for mixed cutting conditions. For process optimisation, pairing the insert with appropriate speeds, feeds and coolant strategies will preserve the Tiger‑tec Gold coating performance and extend service intervals, contributing to lower overall manufacturing costs and higher uptime. For selection of holder systems and cutting parameters, Metav Werkzeuge can provide application‑specific guidance.

Contact Metav Werkzeuge for tailored advice on integrating Walter Tools inserts into production processes and for rapid availability via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: LNHU090404R-L55T-WPP35G-WALTER
• Name: Fräswendeschneidplatte LNHU090404R-L55T WPP35G Walter Tools
• Series: Tiger-tec Gold
• Grade: WPP35G
• Shape: Rectangular

Core specifications

• Corner radius: 0.4 mm
• Clearance angle: 0° (negative)
• Size code: 09
• Thickness code: 04

Design / Special features

• Chipbreaker: L55T
• Coating: Tiger‑tec Gold
• Material suitability: Steel (ISO P)
• Execution: U
• Tolerance class: H
• ISO designation: LNHU090404R-L55T WPP35G
• Base designation: LNHU090404R-L55T

FAQ

What materials is this insert intended for?
The insert is designed for machining steel (ISO group P); the WPP35G grade and Tiger‑tec Gold coating optimise performance for unalloyed and alloyed steels.

What does the WPP35G grade offer compared with other grades?
WPP35G is a Walter Tools coated carbide grade within the Tiger‑tec Gold family that balances wear resistance and toughness for steel machining, providing good edge life under typical steel cutting conditions.

How does the L55T chipbreaker affect machining?
The L55T chipbreaker promotes reliable chip formation and evacuation, which helps maintain a stable cutting process and improves surface finish when using the LNHU090404R-L55T WPP35G insert.

What does the 0° negative clearance mean in practice?
A 0° negative clearance provides a robust cutting edge and reduced risk of chipping during heavy engagement cuts, aiding stability and repeatability in milling operations.

Is this insert suitable for finishing and roughing operations?
Yes; the combination of the 0.4 mm corner radius, robust grade and the chipbreaker makes the insert suitable for both productive roughing and controlled finishing passes in steel.

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

The Walter AG (marketed as Walter Tools) with headquarters in Tübingen is one of the world's leading manufacturers of precision tools for metalworking and is part of the Swedish Sandvik group. Protected trademarks and brand names are the property of their respective owners and are mentioned here for clarification only. There is no affiliation between our company and these manufacturers; the offered article is an original, factory‑new product of the manufacturer.