CNMG120408-RP7 WPP20G WPP20G Wendeplatten - Walter Tools

Taking advantage of the Tiger‑tec Gold coating and the universal WPP20G grade delivers a robust balance of wear resistance and toughness for dependable machining of steel; the RP7 chipbreaker and rhombic 80° geometry ensure controlled chip formation and consistent surface finish, supporting uninterrupted production. Order the insert via Metav Werkzeuge or consult their technical team for application advice.

CNMG120408-RP7 WPP20G CNMG120408-RP7 — Tiger‑tec Gold grade for Steel | Walter Tools

A CNMG120408-RP7 WPP20G turning insert designed for general steel turning, combining a coated carbide grade from the Tiger‑tec Gold series with an RP7 chipbreaker for reliable chip control and stable tool life.

• Coated Tiger‑tec Gold grade WPP20G
• RP7 chipbreaker for consistent chips
• Rhombic 80° geometry for versatile turning
• 0° negative rake for robust cutting edge

Consistent performance for steel turning operations

The Tiger‑tec Gold series delivers a deliberately engineered balance between wear resistance and toughness, making this insert ideal for a wide range of steel applications. The combination of a coated carbide grade (WPP20G) and a stable edge preparation improves tool life under varying cutting conditions. The RP7 chipbreaker is tuned to produce short, controllable chips in common turning tasks, which reduces cycle interruptions and supports safer, more predictable machining. This results in fewer tool changes and a steadier throughput on lathes and turning centres.

Geometry and edge specification that enhance stability

Rhombic 80° geometry provides versatility for both outer and semi‑finishing passes, while the 0° negative rake increases the insert’s robustness in interrupted cuts and heavy engagement. The 0.8 mm corner radius helps to distribute cutting forces and improve surface finish without sacrificing strength. Together these design choices support higher process reliability when tackling unalloyed and alloyed steels, and they contribute to consistent dimensional results even in demanding production schedules.

Practical benefits and process reliability

Selected for its universality in steel machining, the WPP20G grade is optimised for the typical heat and chip formation of steel cutting. The coated structure of the insert reduces flank wear and helps maintain a stable cutting edge, which in turn preserves finish quality over longer tool life. For operations seeking a compromise between productivity and surface quality, this insert offers an efficient solution: predictable tool life, improved chip control and simplified tool inventory thanks to the insert’s broad applicability.

Contact Metav Werkzeuge today for application guidance or to request sample recommendations tailored to specific steel grades and turning conditions

Technical Data

• Article number: CNMG120408-RP7-WPP20G-WALTER
• Designation: CNMG120408-RP7 WPP20G
• Series: Tiger‑tec Gold
• Grade: WPP20G
• Manufacturer: Walter Tools

Facts

• Insert size: 12
• Thickness: 04
• Corner radius: 0.8 mm
• Free angle: 0° (negative)
• Tolerance class: M

Special features

• Coating technology: Tiger‑tec Gold
• Chipbreaker: RP7
• Geometry: Rhombus 80°
• Material application: Steel
• Coated cemented carbide grade

FAQ

What materials is this insert suitable for?
The CNMG120408-RP7 WPP20G insert is specified for machining steel; the WPP20G grade and Tiger‑tec Gold coating are optimised for the heat and chip behaviour typical of steel.

How does the RP7 chipbreaker affect machining?
The RP7 chipbreaker on this Walter Tools indexable insert produces controlled, short chips in turning operations, improving process safety and reducing cycle interruptions during steel turning.

Is the geometry suitable for roughing and finishing?
The rhombic 80° form with a 0.8 mm corner radius provides a balance between strength for roughing and a fine surface finish for light finishing passes.

What does the 0° (negative) free angle mean for cutting?
A 0° negative rake increases edge robustness, making the insert more resistant to impact and suitable for intermittent cuts or higher feed operations on steel.

Can this insert reduce tool inventory complexity?
The universal character of the WPP20G grade and the Tiger‑tec Gold coating helps consolidate tool choices for many steel turning tasks, simplifying stock and replacement planning.

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

Protected trademarks and trade names are the property of their respective owners. Their mention here serves explanatory purposes only and does not imply any affiliation between our company and the named brands. The offered article is an original, factory‑new product of the manufacturer.