CNMM120408-HU3 WPP20G WPP20G Wendeplatten - Walter Tools

Benefit from the combination of the Tiger·tec Gold coated grade WPP20G and the HU3 chipbreaker for productive, repeatable steel turning; the negative 0° rake and 0.8 mm corner radius deliver stable cutting and consistent surface quality. Order the CNMM120408-HU3 WPP20G turning indexable insert directly via Metav Werkzeuge or contact our consultants for application advice.

CNMM120408-HU3 WPP20G turning indexable insert, Tiger·tec Gold coating, HU3 chipbreaker — Walter Tools

A CNMM120408-HU3 WPP20G insert engineered for steel turning, combining Tiger·tec Gold coated carbide and an HU3 chipbreaker to support consistent chip control and productive machining.

• Tiger·tec Gold coated carbide for long life
• HU3 chipbreaker for controlled chip formation
• Rhombic 80° geometry for versatile turning
• 0.8 mm corner radius for stable cutting

Reliable performance for demanding steel turning

The combination of the Tiger·tec Gold coating and the WPP20G grade provides a balanced response to the typical heat and chip formation encountered in steel machining. The coating technology increases abrasive resistance, which translates into longer tool life and fewer interruptions for index changes. Specified as suitable for the material group P (steel), the insert is optimised for unalloyed and alloyed steels, offering a stable compromise between wear resistance and edge toughness that supports higher productivity in series production.

Consistent chip control and surface integrity

The HU3 chipbreaker is designed for controlled chip formation in medium to heavy cuts, reducing the risk of long, stringy chips and improving operator safety. Combined with the rhombic 80° geometry and a 0.8 mm corner radius, the design promotes a predictable cutting force and a robust cutting edge. The negative 0° free angle contributes to a stronger cutting geometry for interrupted cuts or tougher operations, resulting in consistent surface quality and reduced rework.

Process reliability and application guidance

With a tolerance class of M and the Tiger·tec Gold series background, the insert supports repeatable performance in production environments where stability is essential. The specification CNMM120408-HU3 defines the geometry and fitment for standard tool holders, enabling quick integration into existing toolsets. For machining strategies that favour longevity and predictable tool behaviour, this grade and chipbreaker combination from Walter Tools helps to reduce process variability and maintain cycle-time targets.

For precise application recommendations and to ensure the CNMM120408-HU3 WPP20G is specified correctly for a given turning task, contact Metav Werkzeuge for machining parameter guidance and material-matched advice.

Technical data

• SKU: CNMM120408-HU3-WPP20G-WALTER
• Article: CNMM120408-HU3 WPP20G
• Manufacturer: Walter Tools
• Series: Tiger·tec Gold

Core specifications

• Size: 12
• Thickness: 04
• Corner radius: 0.8 mm
• Free cutting angle: 0° (negative)
• Geometry: Rhombic 80°

Design and applications

• Grade: WPP20G
• Chipbreaker: HU3
• Coating technology: Tiger·tec Gold
• Material suitability: Steel (P)
• Tolerance class: M
• Designation: CNMM120408-HU3

FAQ

What materials is this insert suitable for?
The CNMM120408-HU3 WPP20G is specified for the ISO material group P, meaning it is suitable for machining unalloyed and alloyed steel grades.

How does the HU3 chipbreaker affect machining?
The HU3 chipbreaker on the CNMM120408-HU3 WPP20G promotes controlled chip formation, improving chip evacuation and helping to achieve stable cutting conditions in steel turning.

What benefit does the Tiger·tec Gold coating provide?
The Tiger·tec Gold coating increases wear resistance and edge stability, which extends tool life and helps maintain consistent surface finish during extended production runs.

Is the insert suitable for interrupted cuts or roughing?
The negative 0° free angle and the 0.8 mm corner radius give the insert robust cutting geometry, making the CNMM120408-HU3 WPP20G appropriate for tougher operations and situations with occasional interruptions.

Which tool holders accept this insert designation?
The CNMM120408-HU3 designation corresponds to standard turning insert geometry and fits compatible tool holders designed for CNMM-format rhombic 80° inserts.

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

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