SNMX120520-D27 WKP25S Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Silver coating and the WKP25S grade for stable chip formation and extended tool life; the square 90° geometry with a corner radius of 2 and chipbreaker D27 ensures reliable performance when machining steel and cast iron. Order the SNMX120520-D27 WKP25S milling indexable insert directly via Metav Werkzeuge or ask our consultants if needed.

SNMX120520-D27 WKP25S — milling indexable insert with Tiger·tec Silver for steel & cast iron | Walter Tools

The SNMX120520-D27 WKP25S is a square 90° milling indexable insert developed for productive machining of steel and cast iron, combining a coated carbide grade with a chipforming geometry suited to general industrial milling applications.

• Tiger·tec Silver coated grade for longer tool life
• Suitable for steel and cast iron machining
• Square 90° insert with corner radius 2
• 0° negative rake for robust cutting

Reliable performance through advanced coating and grade

The combination of the Tiger·tec Silver coating and the WKP25S grade delivers a balanced mix of wear resistance and toughness. This coated carbide formulation is optimised for the thermal and mechanical loads typical of cutting steel and cast iron (ISO groups P and K), so the insert maintains a stable cutting edge under sustained industrial use. The result is predictable tool life and consistent surface quality, which supports efficient production planning and reduced downtime. The chemical and physical functions of the coating improve abrasion resistance while preserving edge strength, helping to extend interval lengths between indexings.

Geometry that improves stability and chip control

A square 90° plate form with a corner radius of 2 and a 0° (negative) relief angle gives this insert mechanical robustness in face and shoulder milling operations. The integrated chipbreaker D27 is tuned to promote secure chip control when machining medium to heavy cuts in steel and cast iron, reducing the risk of recutting and improving process security. The insert’s geometry enhances fixture stability and supports higher material removal rates without sacrificing repeatability, making it suitable in both batch production and continuous machining contexts where tool reliability is essential.

Practical benefits for production and tool management

Using this indexable solution cuts preparation time and simplifies inventory: the standardised format and recognised grade facilitate quick replacement and straightforward sorting in tool rooms. The insert’s design supports cost-effective machining by balancing tool life with cutting performance; fewer interventions are needed and the reliable chip control reduces machine interruptions. For operations seeking consistent results across a range of ferrous workpieces, this insert offers a sound compromise between productivity and service life while integrating easily into established tool setups.

For technical advice on optimising the Walter Tools SNMX120520-D27 WKP25S Tiger·tec Silver insert in specific machining tasks and to arrange purchase through Metav Werkzeuge, contact info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: SNMX120520-D27-WKP25S-WALTER
• Designation: SNMX120520-D27 WKP25S
• Product type: Fräswendeschneidplatte (milling indexable insert)
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver
• Grade: WKP25S
• Execution: X
• ISO designation: SNMX120520-D27 WKP25S

Facts

• Free angle: 0°
• Corner radius: 2
• Plate form: Square 90°
• Plate size: 12
• Plate thickness: 05
• Tolerance class: M

Special features

• Coating/technology: Tiger·tec Silver
• Coated carbide grade: WKP25S
• Chipbreaker: D27
• Material suitability: P (steel), K (cast iron)
• Robust geometry for productive milling

FAQ

What materials is this insert suitable for?
The SNMX120520-D27 WKP25S by Walter Tools is intended for machining steel (ISO group P) and cast iron (ISO group K); the WKP25S grade and Tiger·tec Silver coating are optimised for these materials.

What does the D27 chipbreaker provide?
The D27 chipbreaker on this insert promotes controlled chip formation and evacuation during milling, improving process stability when the SNMX120520-D27 WKP25S is used in typical industrial cutting conditions.

How does the 0° negative relief angle affect cutting?
A 0° (negative) relief increases edge strength and resistance to mechanical shock, making the insert more robust for interrupted cuts and heavier milling loads.

Is the insert suitable for shoulder and face milling?
Yes. The square 90° plate form with a corner radius of 2 gives solid support for shoulder and face milling applications while maintaining good edge stability.

What benefits does Tiger·tec Silver bring to the tool life?
Tiger·tec Silver coating enhances wear resistance and thermal stability of the WKP25S grade, which together contribute to longer, more predictable tool life and consistent cutting results.

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

Trademarks and trade names are the property of their respective owners. Brand names and protected product designations are cited for explanation only. There is no affiliation between our company and the named brands. The offered item is original, new from the manufacturer.