CNMM160624-HU7 WPP20G Wendeplatten - Walter Tools

Take advantage of the proven combination of Tiger·tec Gold coating and the WPP20G grade for consistent performance when machining steel; the HU7 chipformer and Rhombus 80° geometry deliver stable chip control and reliable surface finish. Order directly via Metav Werkzeuge or consult our specialists for process matching and variant selection.

CNMM160624-HU7 WPP20G turning insert — Walter Tools, Tiger·tec Gold coating, for steel machining

CNMM160624-HU7 WPP20G is a negative‑rake indexable insert designed for turning operations in steel, offering robust wear resistance and stable chip formation.

• Tiger·tec Gold coating for extended tool life
• Optimised HU7 chipformer for stable chips
• Rhombic 80° geometry for versatile turning
• Suitable for steel machining (ISO P)

Increased throughput with consistent tool life

The combination of the Tiger·tec Gold coating and the WPP20G grade provides a balance of wear resistance and toughness that is tailored to steel machining. The coated carbide substrate reduces flank wear under typical turning temperatures, which contributes to longer tool life and fewer insert changes. For production environments where uptime and predictable replacement intervals matter, this insert supports higher productivity through reduced process variability and more consistent component quality.

Reliable chip control and process stability

The HU7 chipbreaker is engineered to form short, manageable chips when cutting steels, minimising interruptions from long swarf and reducing the risk of surface damage. The insert’s Rhombus 80° form and 0° negative rake create a robust cutting edge that withstands interrupted cuts and heavy feed rates. Together these features deliver stable cutting forces and improved dimensional stability, making the insert suitable for medium to heavy finishing and roughing operations on unalloyed and alloyed steels.

Enhanced surface finish and edge integrity

A corner radius of 2.4 mm and the defined insert geometry yield improved surface quality with lower tendency to generate built‑up edge in most steel applications. The insert’s geometry supports consistent contact conditions at the tool–workpiece interface, which helps achieve repeatable surface roughness and reduces the need for secondary finishing. When process windows are narrow, the geometry and coating combination help maintain a sharp, reliable cutting edge over longer running times.

Application range and mounting considerations

This indexable insert is specified with an inscribed circle of 16 mm and a thickness designation of 06, compatible with toolholders designed for CNMM‑style rhombic inserts. The WPP20G grade is indicated for ISO P materials, covering a broad range of unalloyed and alloyed steels with good thermal and mechanical stability during turning. For selection of the correct seat and clamping system, match the CNMM16 holder type and verify clamping torque recommendations to maintain repeatable positioning and extend insert life.

For dependable steel turning with Walter Tools’ Tiger·tec Gold technology — request application advice or place an inquiry with Metav Werkzeuge (info@metav-werkzeuge.com / +49 2822 7131930) to confirm suitability and quantities

Technical data

• SKU: CNMM160624-HU7-WPP20G-WALTER
• Article designation: CNMM160624-HU7 WPP20G
• Series: Tiger·tec Gold
• Grade: WPP20G
• Manufacturer: Walter Tools
• Product type: Turning indexable insert

Numbers / Core technical data

• Inscribed circle: 16 mm
• Corner radius: 2.4 mm
• Free (rake) angle: 0° (negative)
• Thickness designation: 06
• Geometry: Rhombus 80°
• Tolerance class: M

Designs / Special features

• Coating: Tiger·tec Gold (coated carbide technology)
• Chipformer: HU7
• Material application: Steel (ISO P)
• Execution: M (tolerance/grade execution)
• Shape: Rhombic 80° insert

FAQ

What steels is this insert best suited for?
The CNMM160624-HU7 WPP20G insert in the WPP20G grade is optimised for ISO P steels, including both unalloyed and alloyed steels where balanced wear resistance and toughness are required.

How does the HU7 chipformer affect machining?
The HU7 chipformer produces short, controlled chips when turning steel, improving process reliability and reducing swarf‑related interruptions during continuous production runs.

What benefit does the Tiger·tec Gold coating provide?
Tiger·tec Gold coating increases wear resistance and thermal stability on the cutting edge, which helps to extend tool life and maintain consistent component quality under varying cutting conditions.

Is the insert suitable for interrupted cuts?
Yes — the negative 0° rake and the robust rhombic geometry enhance edge strength, making the insert well suited to interrupted cuts and heavier feed applications in steel.

Which toolholder type is required for this insert?
A CNMM16 toolholder compatible with rhombic 80° inserts and the corresponding clamping system should be used; verify holder seat and clamping torque to ensure stable positioning.

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

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