SNMX120512-D27 WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Gold wear resistance, a D27 chipbreaker optimised for cast iron and a square 90° geometry for stable milling results — order the SNMX120512-D27 WKK25G directly via Metav Werkzeuge or ask the consultants for application support.

SNMX120512-D27 WKK25G — Indexable milling insert, Tiger·tec Gold for cast iron (Walter Tools)

A SNMX120512-D27 WKK25G indexable milling insert engineered for reliable, high‑productivity machining of cast iron components in industrial milling operations

• Tiger·tec Gold coating for wear resistance
• Optimised D27 chipbreaker for cast iron
• Square 90° insert with 1.2 mm corner radius
• 0° negative rake for stable cutting performance

Consistent wear resistance tailored for cast iron

The Tiger·tec Gold grade WKK25G is formulated for abrasive cast iron applications and provides enhanced wear resistance under the short, breaking‑type chip conditions typical of these materials. The coated carbide chemistry balances toughness and hardness to limit flank wear and protect the cutting edge, while the D27 chipbreaker is designed to control chip formation and evacuate fragments reliably. This results in a stable machining process with fewer unplanned tool changes and consistent component quality.

Measurable productivity gains and process security

With a square 90° geometry and 0° negative rake, the insert offers predictable cutting forces and robust edge support for interrupted or heavy milling of cast iron. The defined 1.2 mm corner radius contributes to improved tool life and surface integrity, helping to reduce cycle times and increase metal removal rates. These characteristics support a favourable cost‑per‑part calculation by lowering tooling consumption and minimising downtime, thus improving throughput in production environments.

Practical integration and machining benefits

The insert’s shape and tolerance class M enable straightforward use in standard milling tool bodies that accept square indexable plates. The compact design facilitates stable clamping and repeatable positioning, which helps to maintain dimensional accuracy across batches. The D27 chip control geometry simplifies swarf management in automated cells and manual setups alike. Where application parameters are critical, the combination of the grade and chipbreaker makes the component particularly suitable for aggressive roughing and semi‑finishing passes in cast iron.

For specification checks, cutter compatibility advice or stock enquiries regarding Walter Tools inserts such as the SNMX120512‑D27 WKK25G, contact Metav Werkzeuge for tailored support and ordering information at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• SKU: SNMX120512-D27-WKK25G-WALTER
• Designation: SNMX120512-D27 WKK25G
• Product type: Fräswendeschneidplatte / indexable milling insert
• Manufacturer: Walter Tools

Specifications

• Plate size: 12
• Corner radius: 1.2 mm
• Plate form: Square 90°
• Rake angle: 0° (negative)
• Tolerance class: M
• Plate thickness: 05

Materials / Special features

• Series: Tiger·tec Gold
• Grade: WKK25G (coated carbide)
• Chipbreaker: D27
• Suitable for: Cast iron
• Execution: X

FAQ

What materials is this insert intended for?
The SNMX120512‑D27 WKK25G is specified for cast iron applications; the WKK25G grade and D27 chipbreaker are optimised for the abrasive and short‑chip behaviour of cast iron.

How does the Tiger·tec Gold grade improve performance?
Tiger·tec Gold provides a coated carbide surface that increases wear resistance and supports longer tool life under the high‑abrasion conditions encountered when machining cast iron.

What is the advantage of a 0° negative rake?
A 0° negative rake gives greater edge stability and resistance to chipping, which is beneficial for interrupted cuts and heavy roughing passes typical in industrial milling.

Can the insert be used for finishing as well as roughing?
The SNMX120512‑D27 WKK25G is primarily designed for robust roughing and semi‑finishing in cast iron; the 1.2 mm corner radius helps maintain surface quality but final finishing may require a dedicated geometry depending on tolerance and surface‑finish targets.

How does the D27 chipbreaker affect chip control?
The D27 design promotes predictable chip segmentation and evacuation in cast iron, reducing the risk of built‑up edge and improving machine uptime.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen, Germany; www.walter-tools.com

The Walter AG (brand presentation: Walter Tools) with its headquarters in Tübingen is among the world’s leading manufacturers of precision tools for metalworking and is part of the Swedish Sandvik Group. Protected trademarks and trade names are the property of their respective owners. Brand names and protected designations are mentioned solely for explanatory purposes and do not imply any affiliation between our company and the manufacturers. The offered item is an original, factory‑new product of the manufacturer.