TNMG220412-MP5 WPP20G Wendeplatten - Walter Tools

Take advantage of the combination of reliable wear resistance, precise geometry and optimised chip control to maintain steady productivity in turning operations; order the insert directly via Metav Werkzeuge or consult our technical advisors for application support.

TNMG220412-MP5 WPP20G – Indexable turning insert, Tiger-tec Gold coating (Walter Tools)

A TNMG220412-MP5 WPP20G indexable turning insert designed for general-purpose Stahl machining, combining a Tiger-tec Gold coating with an MP5 chipbreaker to ensure consistent chip control and tool life.

• Indexable insert TNMG220412-MP5 WPP20G by Walter Tools
• Tiger-tec Gold coated for reliable performance
• Triangle 60° form with 1.2 mm corner radius
• Designed for Stahl machining, MP5 chipbreaker

Sustained productivity through engineered wear resistance

The Tiger‑tec Gold grade delivers a balance of durability and consistent cutting performance that raises throughput in batch or single‑piece production. The coated carbide substrate reduces flank wear and supports higher cutting speeds without sacrificing surface quality. For operations where predictable tool life is critical, this grade provides a measurable advantage: fewer tool changes and more uninterrupted spindle time, helping to reduce overhead and improve machine utilisation.

Coating and grade: what the designation means for performance

The WPP20G designation identifies a Walter Tools grade based on the Tiger‑tec Gold coating technology and a coated carbide construction. This combination is formulated for optimised wear behaviour when machining Stahl, accounting for the typical heat and chip formation encountered in such materials. The coating improves adhesion resistance and edge stability, which translates into reliable wear resistance and consistent part finish over longer tool life compared with uncoated grades.

Geometry that improves chip control and process security

The triangular 60° plate form and the MP5 chipbreaker are matched to provide stable chip evacuation and predictable cutting forces. The 1.2 mm corner radius increases edge strength for interrupted cuts while maintaining acceptable surface finish, and the negative 0° rake contributes to a robust cutting edge for heavier depths of cut. These geometric choices reduce the risk of premature edge failure and support repeatable results in mixed production environments.

Practical benefits for workshop workflows

Integrating this insert reduces setup variability and supports a broader range of turning tasks on Stahl components. The insert’s combination of grade and chipbreaker enables higher metal removal rates in many common turning applications, making it suitable for both finishing and semi‑finishing passes. Fewer tool changes and predictable wear mean operators can plan tool programmes with greater confidence, improving overall machining reliability.

Recommended applications and process notes

Best results are obtained in turning operations on unalloyed and alloyed Stahl where typical thermal loads and continuous chips occur. The grade performs well across a variety of cutting conditions; however, adjusting feed and speed to the specific workpiece and machine context will optimise both surface quality and tool life. The triangular shape supports multiple indexing locations, helping to extend usable insert life in high‑volume work.

How this insert supports quality and efficiency goals

By combining a robust grade with controlled geometry, the insert contributes to consistent surface finish, reduced scrap rates and predictable costs per part. The design emphasises process security and ease of planning, allowing production engineers to focus on cycle optimisation rather than frequent tool adjustments. Its balance of performance and versatility makes it a practical choice for demanding turning operations.

Contact Metav Werkzeuge for application advice, material‑specific recommendations or to request the TNMG220412‑MP5 WPP20G insert; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: TNMG220412-MP5-WPP20G-WALTER
• Article: TNMG220412-MP5 WPP20G
• Type: Drehwendeschneidplatte
• Series: Tiger-tec Gold
• Grade: WPP20G
• Brand: Walter Tools

Data

• Size: 22 mm
• Thickness: 4.0 mm
• Corner radius: 1.2 mm
• Plate form: Dreieck 60°
• Rake angle: 0° (negativ)
• Tolerance class: M

Special features

• Coating: Tiger‑tec Gold (coated carbide)
• Chipbreaker: MP5
• Execution: G
• Material application: P (Stahl)
• Base designation: TNMG220412-MP5

FAQ

What materials is this insert suitable for?
The TNMG220412‑MP5 WPP20G insert is designed primarily for machining Stahl (group P) and is tuned to handle the heat and chip characteristics typical of these materials.

How does the Tiger‑tec Gold coating influence tool life?
The Tiger‑tec Gold coating on the WPP20G grade increases edge stability and wear resistance under standard turning conditions, which typically extends effective tool life and maintains surface finish quality.

Which cutting tasks benefit most from this geometry?
The triangular 60° shape with a 1.2 mm corner radius and MP5 chipbreaker performs well in semi‑finishing and finishing turning, particularly where stable chip control and robust edges are required.

Can the insert be used for interrupted cuts?
Yes, the 1.2 mm corner radius and negative rake support interrupted cutting applications by improving edge strength and resistance to chipping when using the TNMG220412‑MP5 WPP20G insert.

Is the MP5 chipbreaker suitable for high feed rates?
The MP5 chipbreaker is engineered to provide reliable chip control across a range of feeds; optimal feed and speed should be selected according to the specific machine and workpiece to achieve the best balance of productivity and tool life.

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

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