CNMM190612-HU3 WPP20G WPP20G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Gold coating wear resistance, HU3 chip control and robust Rhombic 80° geometry for consistent turning results; order the CNMM190612-HU3 WPP20G insert directly via Metav Werkzeuge or consult the specialists for application advice.

CNMM190612-HU3 WPP20G turning indexable insert — Tiger·tec Gold coated, for steel, Walter Tools

CNMM190612-HU3 WPP20G is an indexable turning insert designed for efficient machining of steel with a Tiger·tec Gold coated carbide grade offering reliable performance in serial production

• Tiger·tec Gold coating for robust wear resistance
• Optimised HU3 chipbreaker for reliable chip control
• Rhombic 80° geometry, 0° negative clearance
• Suitable for steel machining, universal application

High process reliability through optimised coating and grade

The coated carbide grade WPP20G from the Tiger·tec Gold series combines a wear-resistant top layer with a substrate tuned for turning operations on steel. This results in stable cutting edge behaviour and extended tool life under typical heat and chip-formation conditions encountered when machining unalloyed and alloyed steels. The specification follows the ISO P grouping, which highlights suitability for a wide range of steel grades; the combination of coating and substrate reduces flank wear and increases uptime in production. One measurable advantage is more predictable tool change intervals, which supports consistent cycle times and lowers unexpected downtime.

Controlled chip formation and secure cutting with HU3 chipbreaker

The HU3 chipbreaker geometry is engineered for dependable chip control in many turning tasks. By influencing chip shape and evacuation, the chipbreaker improves surface finish and reduces the risk of built-up edge during continuous cuts. The profile is particularly effective in turning operations where consistent chip flow supports uninterrupted automated machining and safer handling at the tool post. In practice, reliable chip management from the insert reduces manual intervention, simplifies machine setup and can contribute to faster overall throughput on batch or serial work.

Versatile geometry for access and stability in diverse turning tasks

The Rhombic 80° insert form offers a favourable balance between accessibility and strength: the acute geometry enables turning at a range of approach angles while maintaining sufficient support for the cutting edge. The designation corner radius 1.2 contributes to a robust edge suitable for general-purpose turning where a compromise between edge strength and surface finish is required. The negative 0° clearance produces a stable cutting line and predictable tool behaviour under varying cut depths. The insert is supplied in the standard thickness designation 06, matching typical clamping systems for this format and ensuring compatibility with common toolholders used in production environments.

Practical benefits for workshop productivity and quality

Using an indexable insert with these characteristics simplifies tool planning: the CNMM190612-HU3 WPP20G format supports quick index changes, reduces setup complexity and keeps inventory straightforward thanks to a universal geometry for many turning tasks. The combination of coated grade and chipbreaker leads to reproducible surface quality and repeatable part tolerances, which is particularly valuable where batch consistency and component interchangeability are required. For operations seeking to balance process stability with cost-efficiency, the insert offers a pragmatic choice that aligns with common industrial machining strategies.

Contact Metav Werkzeuge for personalised application guidance on the Walter Tools CNMM190612-HU3 WPP20G insert — email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: CNMM190612-HU3-WPP20G-WALTER
• Article: CNMM190612-HU3 WPP20G
• Manufacturer: Walter Tools
• Series: Tiger·tec Gold
• Grade: WPP20G

Facts

• Corner radius: 1.2 mm
• Insert size: 19
• Clearance angle: 0° (negative)
• Thickness designation: 06

Special features

• HU3 chipbreaker
• Coated carbide grade (Tiger·tec Gold)
• Application group: P (steel) according to ISO 513
• Rhombic 80° insert form
• Execution / tolerance class: M
• Designation without grade: CNMM190612-HU3

FAQ

What materials is this insert best suited for?
The CNMM190612-HU3 WPP20G insert is specifically prepared for machining steel (ISO group P); the WPP20G grade and Tiger·tec Gold coating are optimised for the heat and chip-formation characteristics of unalloyed and alloyed steels.

How does the HU3 chipbreaker affect performance?
The HU3 chipbreaker on this turning insert provides controlled chip formation and improved evacuation, which leads to steadier surface finish and reduced risk of built-up edge when using the CNMM190612-HU3 WPP20G in continuous turning operations.

Can this insert be used for finishing as well as roughing?
Yes — the combination of a 1.2 mm corner radius and the graded coating makes the insert suitable for general-purpose turning, offering a compromise between edge strength for roughing and surface quality for light finishing cuts when using recommended cutting parameters.

What does the 0° negative clearance mean for toolholder choice?
A 0° (negative) clearance requires a compatible toolholder that secures the insert form and supports the cutting forces; when clamped correctly, the CNMM190612-HU3 WPP20G delivers stable cutting action and reproducible results.

Is the insert part of a standard series for easy replenishment?
The insert belongs to the Tiger·tec Gold series under the WPP20G grade, which is a standardised coated carbide family from Walter Tools designed for wide applicability across steel machining tasks.

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

The Walter AG (brand presentation: Walter Tools), headquartered in Tübingen, is one of the world's leading manufacturers of precision tools for metalworking and is part of the Sandvik Group. Protected trademarks and trade names remain the property of their respective owners. Brand names are mentioned solely for explanatory purposes; there is no affiliation between our company and the named brands. The offered item is an original, factory-new product from the manufacturer.