ZDGT200540R-K85 WNN15 Wendeplatten - Walter Tools

Take advantage of the combination of a coated carbide grade (WNN15), a K85 chipbreaker and a 15° clearance for reliable chip control and productive milling performance; order the insert directly via Metav Werkzeuge or consult the technical advisers for application-specific recommendations.

ZDGT200540R-K85 WNN15 – Indexable milling insert, coated carbide, K85 chipbreaker (Walter Tools)

The ZDGT200540R-K85 WNN15 is an indexable milling insert developed for productive face and profile milling applications, offering a coated carbide grade for broad material coverage and stable chip formation.

• Coated carbide WNN15 for wide material range
• K85 chipbreaker for controlled chip formation
• 15° clearance for versatile milling applications
• Corner radius 4 for balance of strength and finish

Engineered for productive, predictable cutting

The insert is built around the WNN15 coated carbide grade and the K85 chipbreaker, which together enable consistent chip control and efficient material removal. The coating reduces wear, extending tool life under many machining conditions, while the chipbreaker shapes chips to improve evacuation and reduce rework caused by tangling. For production environments this translates into fewer stoppages and steadier cycle times. The insert’s geometry supports reliable cutting forces and contributes to a smoother workflow on milling machines.

Improved surface finish and tool longevity

A 15° clearance combined with a corner radius of 4 helps achieve a compromise between cutting-edge strength and surface quality. The clearance angle reduces rubbing on the flank face, lowering heat build-up and minimising abrasion, while the corner radius distributes cutting loads to resist chipping. This results in a more consistent surface finish and longer intervals between indexings or insert changes, helping to reduce overall tooling costs without sacrificing component quality.

Simple integration and verified material guidance

The ISO designation and series information facilitate correct selection and mounting in standard toolholders; refer to the product matrix to confirm suitability for specific alloys. The insert carries the ISO marking ZDGT200540R-K85 WNN15, simplifying procurement and replacement. Because the material specification is catalogue-dependent, it is advisable to check the detailed product matrix for optimal cutting parameters for each workpiece material. This step ensures the insert is matched to both the machining strategy and the chosen workpiece metallurgy.

Process security and shop-floor benefits

The geometry and grade are designed for stable chip formation and repeatable performance, contributing to predictable tool life and reduced scrap rates. Reliable chip control and the coated substrate help protect adjacent components from scatter and minimise manual chip clearing. The combination of stable cutting behaviour and clear ISO identification supports fast decision-making in production planning and tool management, strengthening overall process security and productivity.

For process-proven milling performance with Walter Tools' coated grade WNN15 and the K85 chipbreaker, contact Metav Werkzeuge for technical advice and stock availability of the ZDGT200540R-K85 WNN15 insert.

Technical Data

• SKU: ZDGT200540R-K85-WNN15-WALTER
• Article: ZDGT200540R-K85 WNN15
• Product type: Indexable milling insert (Fräswendeschneidplatte)
• Manufacturer: Walter Tools

Facts

• Clearance angle: 15°
• Corner radius: 4
• Plate size: 20
• Plate thickness: 05
• Tolerance class: G

Special features

• Grade: WNN15 (coated carbide)
• Chipbreaker: K85
• Series: Walter Schneidstoffsorte - Serie offen
• ISO designation: ZDGT200540R-K85 WNN15
• Execution: T
• Material specification: Katalogabhängig

FAQ

What materials is the ZDGT200540R-K85 WNN15 suited for?
The ZDGT200540R-K85 WNN15 insert uses the WNN15 coated carbide grade and is intended for a broad material range; consult the product matrix to determine suitability for specific steels, alloys and non-ferrous materials.

How does the K85 chipbreaker affect machining?
The K85 chipbreaker on the ZDGT200540R-K85 WNN15 shapes and breaks chips to improve evacuation and reduce recutting, which supports stable cutting and fewer interruptions during milling cycles.

What are the dimensional key points to check when ordering replacements?
Ensure the ISO designation ZDGT200540R-K85 WNN15, the plate size (20), plate thickness (05) and the corner radius (4) match the holder and application to guarantee proper seating and performance.

Is the WNN15 grade a coated or uncoated carbide?
WNN15 is specified as a coated carbide grade; the coating enhances wear resistance and helps maintain the cutting edge under typical milling conditions.

How does the 15° clearance improve operation?
A 15° clearance reduces flank contact, lowering heat and abrasive wear while maintaining cutting efficiency, which helps achieve consistent surface quality and longer insert life with the ZDGT200540R-K85 WNN15.

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

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