SNMX0904ZNN-F57 WKK25G Wendeplatten - Walter Tools

Benefit from the combination of Tiger‑tec Gold wear protection, the robust WKK25G grade and a square 90° geometry for reliable cast‑iron milling performance; order the SNMX0904ZNN-F57 WKK25G milling insert directly via Metav Werkzeuge or consult the technical team for process parameters.

SNMX0904ZNN-F57 WKK25G – Milling indexable insert, Tiger‑tec Gold for cast iron (Walter Tools)

The SNMX0904ZNN-F57 WKK25G is a square 90° milling insert developed for productive machining of cast iron components, combining a coated carbide grade with a chipbreaker tuned to short, controlled chips.

Tiger‑tec Gold coated for abrasion resistance
Optimised for cast iron (ISO K)
Square 90° geometry for robust cutting
0° negative rake for stable machining

High-efficiency cast‑iron machining

The SNMX0904ZNN-F57 WKK25G is designed to deliver consistent tool life and predictable wear behaviour when machining abrasively acting cast‑iron grades. The Tiger‑tec Gold coating, applied to a coated carbide substrate, provides enhanced abrasion resistance and thermal stability; this reduces flank wear and supports longer operating intervals between indexings. For production environments where repeatability and process stability are decisive, the combination of a coated grade and a square, 90° geometry ensures secure cutting forces and simple tool path planning, which contributes to improved cycle times and part throughput.

Consistent chip control and cutting stability

Chip management and edge security are central to efficient milling of brittle materials. The integrated chipbreaker F57 is configured to produce short, readily broken chips that evacuate easily from the-cut, reducing the risk of built‑up edge and workpiece damage. The negative 0° rake promotes a stiff cutting edge and reduces the tendency for vibration in interrupted cuts, while the square 90° form gives a robust cutting corner for heavier engagement. Together, these features enable stable roughing and semi‑finishing operations with an emphasis on dimensional control and surface consistency.

Application guidance and measurable benefits

Key dimensional values such as insert size 09 and thickness 04 define the mechanical interfaces and clamping stability; the tolerance class M reflects machining precision suitable for standard production requirements. The WKK25G grade, optimised for material group K (cast iron) under ISO 513, is intended for abrasive, short‑chip conditions typical of these alloys and is therefore well suited to both general‑purpose and focused cast‑iron strategies. Process planners will find the insert supports predictable wear curves, facilitating tool‑change scheduling and lowering total machining costs per part while maintaining surface quality.

For reliable cast‑iron productivity and technical advice on implementing Tiger‑tec Gold inserts, contact Metav Werkzeuge – our consultants will assist with cutting data and availability to match the SNMX0904ZNN-F57 WKK25G to specific applications

Technical Data

• Article number/SKU: SNMX0904ZNN-F57-WKK25G-WALTER
• Designation: SNMX0904ZNN-F57 WKK25G
• Brand: Walter Tools
• Series: Tiger‑tec Gold

Facts

• Size: 09
• Thickness: 04
• Relief angle: 0° (negative)
• Geometry: Square 90°
• Tolerance class: M

Special features

• Grade: WKK25G (coated carbide)
• Chipbreaker: F57
• Material group: K (cast iron)
• Execution: X
• Suitable for ISO K materials

FAQ

What materials is this insert intended for?
The SNMX0904ZNN-F57 WKK25G is developed for cast iron machining and corresponds to ISO material group K, offering abrasion‑resistant performance for typical cast‑iron applications.

How does the Tiger‑tec Gold coating benefit machining?
The Tiger‑tec Gold coating on the WKK25G grade improves abrasion resistance and thermal stability, which in turn enhances tool life and keeps flank wear predictable under continuous cast‑iron cutting.

What is the effect of the chipbreaker F57?
The chipbreaker F57 produces short, controllable chips suitable for brittle materials; this supports efficient chip evacuation and reduces the risk of surface damage or tool‑clogging during interrupted cuts.

Is the insert suitable for heavy machining or finishing?
The square 90° geometry and 0° negative rake provide a strong cutting edge for heavier engagement; the insert is appropriate for roughing and semi‑finishing in cast iron where rigidity and edge security are required.

Which size and clamping considerations apply?
This product is offered in size 09 with thickness 04 and tolerance class M; ensure the toolholder is specified for SNMX0904ZNN‑style inserts and that clamping conforms to the holder manufacturer's instructions.

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

Protected trademarks and product names are the property of their respective owners. Mention of brand names is for explanatory purposes only; no connection between our company and the brands is implied. The offered item is an original, factory‑new product of the manufacturer.