SNMX120512-F57 WKK25G WKK25G Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Gold coating and the WKK25G carbide grade for consistent, productive machining of cast iron; the optimised F57 chipbreaker and square 90° geometry ensure reliable chip control and reproducible edge life. Order directly via Metav Werkzeuge or consult our specialists for tailored machining advice.

SNMX120512-F57 WKK25G milling indexable insert by Walter Tools — Tiger·tec Gold for cast iron

The SNMX120512-F57 WKK25G is a square milling insert designed for productive machining of cast iron, combining a coated carbide grade from the Tiger·tec Gold family with a dedicated F57 chipbreaker for improved process security.

Tiger·tec Gold coated grade WKK25G
Optimised chip control F57
Square 90° insert geometry
Proven performance on cast iron

Higher productivity on abrasive cast iron

The coated carbide WKK25G grade, part of the Tiger·tec Gold series, is formulated to resist the abrasive wear typical for cast iron machining. The insert's combination of coating technology and carbides delivers stable chip formation and longer tool life under demanding conditions, allowing higher material removal rates without sacrificing surface quality. For operations that require predictable performance on abrasive workpieces, this insert reduces unscheduled tool changes and supports continuous production.

Predictable chip control and surface finish

Equipped with the F57 chipbreaker, the insert produces short, easily evacuable chips that lower the risk of re-cutting and machine stoppages. Short, well-formed chips assist coolant flow and simplify swarf handling, which in turn supports consistent part finish and reduces secondary cleaning. The focused chip control also enables machining parameters to be set more aggressively while maintaining process stability, yielding faster cycle times and improved throughput.

Robust geometry for secure cutting conditions

The square 90° shape with a 1.2 mm corner radius and 0° negative rake provides a robust cutting edge suited to interrupted cuts and medium-to-heavy milling loads. The insert's 12 mm size and standard thickness code ensure compatibility with a wide range of toolholders designed for square inserts. Together, these geometric features give stable seating and repeatable edge position, which benefits repeatability and dimensional control in serial production.

Practical selection and application guidance

When specifying inserts for cast iron operations, consider the benefits of a coated grade tailored to abrasive materials and a chipbreaker that matches the intended feed and depth of cut. The combination of the Tiger·tec Gold coating and the F57 chip geometry makes this insert particularly suitable for finishing to medium roughing steps on grey and nodular cast iron. For customers seeking to increase uptime and maintain consistent surface quality, this insert offers a pragmatic balance of wear resistance and chip control.

Contact Metav Werkzeuge for expert advice on Walter Tools Tiger·tec Gold inserts and assistance with selecting the correct grade and chipbreaker for specific cast iron applications: info@metav-werkzeuge.com • +49 2822 7131930

Technical Data

• Article number: SNMX120512-F57-WKK25G-WALTER
• SKU: SNMX120512-F57-WKK25G-WALTER
• Product type: Fräswendeschneidplatte / milling indexable insert
• Manufacturer: Walter Tools
• Grade: WKK25G

Facts

• Insert size: 12 mm
• Corner radius: 1.2 mm
• Relief angle: 0°
• Plate shape: square 90°
• Chipbreaker: F57
• Thickness code: 05
• Tolerance class: M

Special features

• Series: Tiger·tec Gold
• Material: coated carbide
• Optimised for: cast iron machining
• Performance attributes: stable chip formation, wear resistance, productive machining
• Execution code: X
• ISO designation: SNMX120512-F57 WKK25G

FAQ

What materials is this insert designed for?
The SNMX120512-F57 WKK25G milling insert from Walter Tools is designed primarily for cast iron; the WKK25G grade is optimised for abrasive cast materials and short, breaking chips.

What benefits does the Tiger·tec Gold grade provide?
The Tiger·tec Gold coating on the WKK25G grade improves wear resistance and process stability, allowing longer edge life and consistent performance in repetitive machining of cast iron.

How does the F57 chipbreaker affect machining?
The F57 chipbreaker produces short, controlled chips that improve evacuation and reduce the risk of chip entanglement, contributing to reliable machining and improved surface quality.

What are the key geometry features to note?
This insert features a square 90° shape, a 1.2 mm corner radius and 0° negative rake, providing a robust edge for interrupted cuts and stable seating in the toolholder.

Is the SNMX120512-F57 WKK25G suitable for aggressive cutting parameters?
Thanks to its coated carbide grade and F57 chip control, the insert supports more aggressive feeds and depths of cut while maintaining process reliability on cast iron, but final parameters should be validated under actual cutting conditions.

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

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.