CNHU1206PPN-D57T WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Silver coating, the WKP25S grade and the rhombic 80° geometry for consistent productivity and long tool life; order the insert directly via Metav Werkzeuge or consult the sales team for application-specific advice.

CNHU1206PPN-D57T WKP25S milling indexable insert — Tiger‑tec Silver, for steel and cast iron, Walter Tools

The CNHU1206PPN-D57T WKP25S is a rhombic 80° milling insert with a 0° negative rake, designed for efficient machining of steel and cast iron in general milling applications

• Tiger‑tec Silver coating for extended wear resistance
• Rhombic 80° geometry with 0° negative rake
• Optimised for steel and cast iron machining
• Chipbreaker D57T for stable chip formation

Boosted productivity through engineered wear resistance

The combination of the Tiger‑tec Silver coating and the WKP25S grade gives this insert a clear performance edge during continuous milling operations. The coating reduces abrasive wear and helps maintain a sharp cutting edge over longer tool life, which translates into fewer indexings and lower downtime. For production environments where cycle time and repeatability matter, the insert delivers a measurable improvement in process stability and tool-change intervals.

Predictable cutting behaviour with defined geometry

The rhombic 80° shape and the 0° (negative) rake create a cutting geometry that favours secure seating and robust cutting edges. This results in stable cutting forces and reliable performance when confronting interrupted cuts or variable stock conditions. The specified chipbreaker D57T supports controlled chip formation, reducing the risk of built-up edge and improving surface consistency on the workpiece.

Clear application range and material suitability

This grade is a coated carbide insert formulated for the machining of steel (ISO group P) and cast iron (ISO group K). The grade’s substrate and coating balance toughness and wear resistance to cope with the heat and chip characteristics typical of these materials. For workshops processing mixed batches of cast components and steel parts, the insert offers the versatility to maintain throughput without frequent tool changes.

Practical integration and holder compatibility

Dimensioning follows standard indexable insert conventions (size 12, thickness 06) and the insert is supplied in the CNHU form suited to common milling tool holders. The positive system for secure clamping combined with the rhombic seat ensures repeatable positioning and facilitates fast index changes. Where process reliability is essential, compatibility with established toolholder systems simplifies toolroom logistics and reduces setup time.

For high-process security with Walter Tools Tiger‑tec Silver inserts, contact Metav Werkzeuge for tailored recommendations and availability — eMail: info@metav-werkzeuge.com; Tel: +49 2822 7131930

Technical Data

• SKU: CNHU1206PPN-D57T-WKP25S-WALTER
• Product: Fräswendeschneidplatte CNHU1206PPN-D57T WKP25S
• Series: Tiger‑tec Silver
• Manufacturer: Walter Tools

Core data

• Insert form: Rhombus 80°
• Size: 12
• Thickness: 06
• Free cutting angle: 0° (negative)
• Chipbreaker: D57T
• Grade: WKP25S
• Tolerance class: H

Materials & features

• Coating technology: Tiger‑tec Silver
• Substrate: coated carbide
• Suitable for: steel (P), cast iron (K)
• Geometry: robust rhombic 80° seat
• Application focus: general milling, stable chip formation

FAQ

Which materials can be machined with this insert?
The CNHU1206PPN-D57T WKP25S insert is formulated for steel (ISO group P) and cast iron (ISO group K), providing good wear resistance and chip control for these materials.

What benefit does the Tiger‑tec Silver coating provide?
The Tiger‑tec Silver coating enhances abrasive wear resistance and thermal stability, which contributes to longer tool life and more consistent cutting-edge performance on demanding runs.

How does the 0° negative rake affect machining?
A 0° (negative) rake produces a stronger cutting edge and improved edge stability, making the insert well suited to interrupted cuts and applications where tool robustness is a priority.

Is the CNHU shape compatible with standard holders?
The CNHU form is a standard rhombic seating used in common milling tool holders; compatibility allows straightforward integration into existing tool assemblies.

What role does the D57T chipbreaker play?
The D57T chipbreaker promotes predictable, segmented chips and reduces the risk of built‑up edge, supporting consistent surface finish and safer chip evacuation.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only. There is no connection between Metav Werkzeuge and the named brands. The offered article is an original, brand‑new product of the manufacturer Walter Tools.