SDMT1204AZN-F57 WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, the WKP25S grade and the optimised F57 chipbreaker for reliable, productive steel and cast‑iron machining; order the insert directly via Metav Werkzeuge or consult the technical advisors for tailored process recommendations.

SDMT1204AZN-F57 WKP25S milling indexable insert — Tiger·tec Silver coating, 15° free rake (Walter Tools)

A SDMT1204AZN-F57 WKP25S is a square 90° milling insert engineered for high‑productivity roughing and finishing in steel and cast iron applications.

• Tiger·tec Silver coated grade WKP25S
• Square 90° insert, 12 mm size
• 15° free rake for stable cutting
• Optimised chipbreaker F57 for steel and cast iron

Faster cycle times through consistent edge life

The combination of the Tiger·tec Silver coating and the WKP25S grade provides a balance of wear resistance and thermal stability that translates into consistent edge life and longer tool life per index. For production environments where predictable tool performance reduces setup frequency, this indexable insert supports higher uptime and fewer unscheduled tool changes. The coated carbide substrate limits flank wear under typical steel cutting temperatures, meaning less variation in component tolerances over long runs and improved process reliability.

Stable cutting and dependable chip control

The integrated F57 chipbreaker is designed to break and evacuate chips reliably when machining P‑group (steel) and K‑group (cast iron) materials. Stable chip formation reduces the risk of re‑cutting and workpiece surface defects, which helps to maintain finishing quality even at elevated feed rates. Combined with the 15° free rake angle, the geometry reduces cutting forces in many common milling strategies, lowering spindle load and promoting a smoother cutting action in intermittent or interrupted cuts.

Geometry and sizing for versatile setup integration

The square 90° pocket fits a broad range of standard milling holders and indexable cutter bodies, while the 12 mm size and nominal thickness suit compact, rigid setups where stiffness is essential. The insert’s designation corresponds to established ISO geometry conventions, enabling straightforward selection and replacement in existing tool assemblies. For shops aiming to simplify inventory, the standard geometry supports cross‑compatibility across multiple tool families and reduces the variety of holders required.

Application benefits: designed for steel and cast iron work

Formulated for the thermal and abrasive demands of steel and cast iron, the grade’s coated carbide composition resists adhesive and abrasive wear pathways typical of these materials. In practice, this means fewer surface defects, more predictable tool changes and improved first‑pass yield in series production. The insert is especially effective in general-purpose face and shoulder milling operations where a balance of economy and performance is required.

Contact Metav Werkzeuge today to specify Walter Tools Tiger·tec Silver inserts like the SDMT1204AZN-F57 WKP25S and receive personalised machining advice or order support by phone +49 2822 7131930 or email info@metav-werkzeuge.com.

Technical data

• Article number: SDMT1204AZN-F57-WKP25S-WALTER
• Label: Fräswendeschneidplatte SDMT1204AZN-F57 WKP25S Walter Tools
• SKU: SDMT1204AZN-F57-WKP25S-WALTER

Facts

• Size: 12 mm
• Thickness: 04
• Free rake angle: 15°
• Shape: Square 90°

Special features

• Series: Tiger·tec Silver
• Grade: WKP25S
• Chipbreaker: F57
• Material suitability: Steel (P) / Cast iron (K)
• Execution: T
• Tolerance class: M
• ISO designation: SDMT1204AZN-F57 WKP25S

FAQ

What materials is this insert suitable for?
The SDMT1204AZN-F57 WKP25S insert by Walter Tools is designed for steel (P) and cast iron (K) applications, delivering good wear resistance and chip control in both groups.

Which chipbreaker is integrated and what is its benefit?
The integrated F57 chipbreaker promotes secure chip formation and evacuation, reducing re‑cutting and helping to maintain surface quality when machining steel and cast iron with this milling insert.

How does the 15° free rake affect machining?
The 15° free rake reduces cutting forces and smooths the cutting action, which supports stable operation in interrupted cuts and helps to extend edge life of the insert.

Is the insert compatible with standard toolholders?
Yes; the square 90° geometry and ISO designation correspond to common milling indexable insert standards, allowing easy replacement in many established cutter bodies.

What production benefits does the Tiger·tec Silver coating provide?
The Tiger·tec Silver coating increases thermal resistance and reduces flank wear, enabling longer tool life, fewer tool changes and more consistent part quality in serial production.

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

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