WNMM080412-HU3 WPP20G HU3 Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Gold performance and the robust Trigon geometry for reliable, cost-effective steel turning; the WPP20G coating extends tool life while the HU3 chipbreaker improves chip control in demanding cuts. Order suitable inserts through Metav Werkzeuge or consult their technical advisors for process optimisation.

WNMM080412-HU3 WPP20G indexable turning insert — Tiger·tec Gold, for steel (Walter Tools)

A WNMM080412-HU3 WPP20G indexable turning insert engineered for high-productivity steel machining, combining Tiger·tec Gold coating with a HU3 chipbreaker and Trigon 80° geometry.

• Tiger·tec Gold coated carbide grade WPP20G
• Trigon 80° geometry for secure clamping
• HU3 chipbreaker for predictable chip control
• 1.2 mm corner radius with 0° negative rake

Durable coating and longer cutting edge life for steady output

The Tiger·tec Gold coating and the WPP20G coated carbide grade deliver noticeably improved wear resistance under the thermal loads typical of steel machining. This results in longer tool life and fewer indexings, which reduces downtime and supports consistent batch output. The coating technology stabilises the cutting edge at elevated temperatures, so productivity gains are achieved without complex parameter changes. As a consequence, machining windows can be extended and productivity per insert rises, offering a tangible efficiency advantage for repetitive turning operations.

Predictable chips and improved surface quality with the HU3 chipbreaker

The dedicated HU3 chipbreaker is tuned for the cutting behaviour of steels in ISO group P and produces short, controllable chips during medium-to-heavy cutting. Predictable chip formation reduces the risk of entanglement and recutting, thereby helping to protect the workpiece surface and tool flank. Better chip control also simplifies chip evacuation in automated machining cells, contributing to safer, more reliable process routines and a cleaner machine environment. The result is improved process security and fewer interruptions.

Robust geometry that supports higher metal removal rates

The Trigon 80° form provides a compact, stable seat in the toolholder and resists tilting under heavy cutting forces. Combined with the 1.2 mm corner radius and the 0° negative rake, the geometry is designed to withstand interrupted cuts and higher depths of cut while maintaining a durable cutting edge. This configuration favours productive roughing passes and supports a steady transition to semi-finish operations with minimal compromise on dimensional stability. The trimmed profile also helps to reduce cutting forces where tool access is limited.

Practical suitability and simple integration into tool systems

The insert follows the WNMM designation and is suitable for use in toolholders that accept this indexable format, facilitating straightforward replacement in existing setups. The grade and chipbreaker are specified for steel, making the insert well suited to general turning tasks across a range of unalloyed and alloyed steels. For shops seeking to harmonise inventory, the combination of a coated carbide grade with a proven chipbreaker offers a balance between versatility and targeted performance, reducing the need for multiple special-purpose grades while maintaining consistent component quality.

For machining recommendations tailored to the Walter Tools Tiger·tec Gold grade or to confirm holder compatibility for the WNMM080412-HU3 WPP20G insert, contact Metav Werkzeuge for fast technical guidance and stock information: info@metav-werkzeuge.com / +49 2822 7131930

Technical Data

• Article number: WNMM080412-HU3-WPP20G-WALTER
• SKU: WNMM080412-HU3-WPP20G-WALTER
• Product type: indexable turning insert
• Designation: WNMM080412-HU3 WPP20G
• Series: Tiger-tec Gold
• Grade: WPP20G
• Manufacturer: Walter Tools

Facts

• Insert shape: Trigon 80°
• Corner radius: 1.2 mm
• Insert size: 08
• Thickness: 04 (4 mm)
• Rake angle: 0° (negative)

Special features

• Coating: Tiger·tec Gold (coated carbide)
• Chipbreaker: HU3
• Material group suitability: Steel (ISO P)
• Tolerance class: M
• Execution: M
• WNMM format for turning applications

FAQ

What materials is this insert suitable for?
The WNMM080412-HU3 WPP20G insert from Walter Tools is specified for steel (ISO group P), covering unalloyed and alloyed steels with typical chip and heat characteristics.

How does the HU3 chipbreaker affect machining?
The HU3 chipbreaker provides predictable chip control, producing short chips in steel that reduce recutting and promote safer chip evacuation during medium-to-heavy turning operations.

Is the Trigon 80° shape suitable for heavy cuts?
Yes; the Trigon 80° geometry offers a secure seating and resistance to tilting, which supports higher metal removal rates and interrupted cuts when combined with the 1.2 mm corner radius and 0° negative rake.

Can this insert be used for finishing passes?
The insert is optimised for productive roughing and semi-finishing in steel; depending on the required surface finish, a dedicated finishing grade may be selected, but the WPP20G grade provides a good compromise for many general applications.

What does the WPP20G grade mean in practice?
WPP20G is a Walter coated carbide grade within the Tiger·tec Gold family. It balances wear resistance and toughness for steel machining, helping to extend tool life and maintain process stability.

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