SNMX120512-F27 WKP35S Wendeplatten - Walter Tools

Take advantage of the proven Tiger·tec Silver coating and the WKP35S grade for robust machining of steel and cast iron; the square 90° geometry with a 1.2 mm corner radius and F27 chipbreaker delivers stable chip control and extended tool life. Order the SNMX120512-F27 WKP35S directly via Metav Werkzeuge or consult the Metav team for application advice.

SNMX120512-F27 WKP35S – Square indexable milling insert, Tiger·tec Silver coating for steel and cast iron, Walter Tools

A SNMX120512-F27 WKP35S indexable milling insert designed for productive face and shoulder milling operations in steel and cast iron applications, combining a robust square geometry with a chipbreaker tuned for secure chip control.

• Tiger·tec Silver coating for high wear resistance
• Optimised F27 chipbreaker for stable chips
• Square 90° geometry with 1.2 mm corner radius
• Designed for steel and cast iron machining

Confident machining performance for steel and cast iron

The SNMX120512-F27 WKP35S is engineered to deliver consistent results when machining ferrous materials. The combination of the Tiger·tec Silver surface treatment and the WKP35S grade produces a coated carbide cutting edge that resists abrasive wear typical of cast materials and the adhesive wear seen in steel. The designation P/K indicates suitability for ISO group P (steel) and K (cast iron); this means optimised heat resistance and chip behaviour for common turning and milling scenarios, helping maintain dimensional stability and reducing unexpected tool changes.

Longer service life through coating and grade selection

A key economic advantage lies in the coating and substrate pairing. The Tiger·tec Silver coating reduces flank and crater wear, which in turn extends indexable insert life and increases productive cutting time between index changes. Choosing the WKP35S grade improves process reliability under interrupted cuts and variable feed conditions, lowering tool consumption per component. For production environments, this translates directly into fewer tool exchanges and steadier cycle times.

Geometry and chip control that protect the process

The insert’s square 90° form and 1.2 mm corner radius provide a strong cutting edge that tolerates higher radial forces and supports aggressive feeds where geometry allows. The F27 chipbreaker is optimised for predictable chip fragmentation, promoting safe evacuation in both steel and cast iron machining. A 0° negative rake further strengthens the cutting edge, improving resistance to impact at entry and when passing interruptions—an important factor in mixed-operation cell manufacturing where part geometry varies.

Practical productivity benefits on the shop floor

Using this indexable insert reduces setup complexity: the square shape supports multiple cutting orientations and straightforward pocketing on standard toolholders, while the measured tolerance class M ensures repeatable seating and reliable indexing. For milling operations that demand both surface quality and durability, the insert offers a balance of finish and economy. The simplified tool handling and predictable wear behaviour help planners forecast tooling costs and maintain consistent part quality in medium- to high-volume runs.

For application-specific recommendations or to secure fast delivery of the Tiger·tec Silver SNMX120512-F27 WKP35S from Metav Werkzeuge, contact Metav Werkzeuge at info@metav-werkzeuge.com or +49 2822 7131930 — experts are available to advise on toolholder pairing and cutting data

Technical data

• Article number: SNMX120512-F27-WKP35S-WALTER
• Product type: Fräswendeschneidplatte
• Designation: SNMX120512-F27 WKP35S
• Brand: Walter Tools

Facts

• Size: 12 mm
• Corner radius: 1.2 mm
• Thickness: 0.5 mm
• Relief angle: 0° (negative)
• Tolerance class: M

Special features

• Series: Tiger-tec Silver
• Grade: WKP35S
• Chipbreaker: F27
• Plate form: Square 90°
• Material applicability: P / K (steel, cast iron)
• Substrate: Coated carbide
• Execution: X

FAQ

What materials is this insert suited for?
The SNMX120512-F27 WKP35S is designed for steel and cast iron (ISO groups P and K), making it suitable for a wide range of ferrous machining tasks where predictable chip control and wear resistance are required.

How does the Tiger·tec Silver coating benefit production?
The Tiger·tec Silver coating on this insert reduces abrasive and adhesive wear, extending tool life and improving process stability for longer uninterrupted production runs.

What does F27 chipbreaker mean in practice?
The F27 chipbreaker is optimised for fragmenting chips reliably in both steel and cast iron, improving evacuation and reducing the risk of entanglement or surface damage during milling.

Can this insert be used in interrupted cuts?
Yes. The square geometry, 1.2 mm corner radius and 0° negative rake provide a robust cutting edge that tolerates impact and interrupted machining typical in shoulder milling and complex part profiles.

Which toolholders are compatible with this insert designation?
The SNMX120512-F27 WKP35S fits standard Walter-compatible indexable milling holders designed for SNMX-style square inserts; verify seat type and clamping style with toolholder specifications.

Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany

Die Walter AG (Markenauftritt: Walter Tools) mit Hauptsitz in Tübingen gehört zu den weltweit führenden Herstellern von Präzisionswerkzeugen für die Metallbearbeitung und ist Teil des schwedischen Sandvik-Konzerns. Geschützte Markenzeichen und Warenbezeichnungen liegen im Recht ihrer jeweiligen Eigentümer. Markennamen und geschützte Warenbezeichnungen werden ausschließlich zu Erklärungszwecken genannt. Es besteht keinerlei Verbindung zwischen unserem Unternehmen und den genannten Marken. Es handelt sich bei dem angebotenen Artikel um originale fabrikneue Waren des Herstellers.