SNGX1205ZNN-F57 WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold wear protection and a geometry tailored for cast iron to increase productivity and reduce tool consumption; order the insert directly via Metav Werkzeuge or consult our specialists for application support.

SNGX1205ZNN-F57 WKK25G milling indexable insert — square 90°, Tiger‑tec Gold, Walter Tools

A SNGX1205ZNN-F57 WKK25G milling indexable insert designed for robust, productive machining of cast iron components in industrial milling applications.

• SNGX1205ZNN-F57 WKK25G by Walter Tools
• Tiger‑tec Gold coating for abrasion resistance
• Designed for cast iron machining (ISO K)
• Square 90° form with 0° negative rake

Increased productivity on cast iron workpieces

The coated carbide grade WKK25G, combined with Tiger‑tec Gold technology, delivers pronounced abrasion resistance that translates into longer intervals between index changes and less unplanned downtime. For operations focused on cast iron, this indexable insert provides a consistent cutting edge and stable performance under the short, breaking chip behaviour typical of grey and high‑silicon irons. The result is measurable process efficiency: fewer tool changes and predictable production planning.

Greater process security through tailored geometry

A square 90° form with a 0° negative rake produces a robust cutting edge that resists chipping during heavy or interrupted cuts. The chipbreaker F57 is developed to encourage controlled chip formation in abrasive cast iron materials, reducing the risk of recutting and improving surface regularity. Together, the geometry and chip management lower the likelihood of frequent rework and support stable cycle times in serial milling tasks.

Simplified tool handling and consistent results

The insert’s standard designation and form ensure compatibility with conventional SNGX‑type tool holders, supporting quick index changes and repeatable seating. Thanks to the coated WKK25G grade, operators benefit from a balance between wear resistance and toughness, which is particularly advantageous when machining brittle or abrasive cast alloys. Clear identification of the insert and coating helps maintenance and tool management processes, contributing to traceable tool life and inventory control.

Application guidance and typical uses

Optimised for ISO group K (cast iron), the insert is suitable for roughing and semi‑finishing operations where chip breaking and edge stability are critical. The combination of a protective coating and the negative‑rake geometry favours high‑productivity cutting strategies with reduced tool consumption. For new applications or mixed workpiece batches, a short qualification run is recommended to fine‑tune feed and depth parameters in order to exploit the full advantages of the coated grade and chipbreaker design.

For professional advice, availability checks or to request an application recommendation for the Walter Tools SNGX1205ZNN-F57 WKK25G, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 — our consultants provide practical support and immediate delivery information.

Technical data

• Article number: SNGX1205ZNN-F57-WKK25G-WALTER
• Designation: SNGX1205ZNN-F57 WKK25G
• Product type: Milling indexable insert
• Manufacturer: Walter Tools

Facts

• Insert size: 12
• Thickness: 05
• Form: Square 90°
• Free angle: 0° (negative)
• Tolerance class: G
• Chipbreaker: F57
• Series: Tiger‑tec Gold

Special features

• Grade: WKK25G (coated carbide)
• Coating technology: Tiger‑tec Gold
• Suitable material: cast iron (ISO K)
• Stable cutting edge for interrupted cuts
• Developed for abrasive wear and short breaking chips

FAQ

What materials is this insert suitable for?
The SNGX1205ZNN-F57 WKK25G is optimised for cast iron (ISO K); the WKK25G grade and chipbreaker are tuned to the abrasive wear and short, breaking chips typical of these materials.

What benefit does the Tiger‑tec Gold coating provide?
Tiger‑tec Gold increases surface hardness and abrasion resistance, which extends the useful life of the WKK25G inserts and supports consistent performance in demanding milling operations.

Does the insert have a negative rake and what is the advantage?
Yes — the insert features a 0° negative rake, giving a robust cutting edge that improves resistance to chipping during heavy or interrupted cutting, enhancing process reliability.

For which milling operations is the chipbreaker F57 recommended?
The F57 chipbreaker is intended to promote controlled chip segmentation in cast iron, making it well suited to roughing and semi‑finishing where chip control is essential.

Which toolholders are compatible with this insert designation?
The SNGX1205ZNN form is intended for standard SNGX‑style tool bodies with matching seats; the designation ensures straightforward interchange and stable clamping.

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

Protected trademarks and trade names remain the property of their respective owners. Brand names and protected product names are used for explanation only. There is no connection between Metav Werkzeuge and the mentioned brands. The offered item is original factory‑new goods of the manufacturer Walter Tools.