SEKR1203AFTN WKP35S WKP35S Wendeplatten - Walter Tools

Take advantage of the Tiger‑tec Silver coating and the WKP35S grade for a cost‑effective, high‑productivity milling process; the combination of stable chip control and broad material coverage ensures consistent performance in steel and cast iron machining. Order directly via Metav Werkzeuge or consult the team for application-specific advice.

SEKR1203AFTN WKP35S — Indexable milling insert, Tiger‑tec Silver, for steel and cast iron (Walter Tools)

The SEKR1203AFTN WKP35S is a precision indexable milling insert optimised for medium to heavy milling of steel and cast iron, combining a square 90° geometry with a 20° free angle for versatile machining.

• Tiger‑tec Silver coating, WKP35S grade
• Optimised for steel and cast iron machining
• Square 90° geometry with 20° free angle
• 12 mm size, 3 mm thickness

Increased productivity through advanced coating and material grade

The insert uses Tiger‑tec Silver technology and the WKP35S carbide grade to deliver longer tool life and predictable wear behaviour under typical steel and cast iron conditions. The coating reduces adhesive wear and improves heat resistance, which helps maintain a stable cutting edge over extended cycles. For production environments this translates into fewer indexings, less downtime and a more reliable material removal rate compared with uncoated or generic grades.

Reliable chip control and broad material applicability

Designed to cover ISO groups P and K, the geometry and grade of this insert are matched to the chip formation tendencies of steel and cast iron. The designation indicates suitability for unalloyed and alloyed steels as well as abrasive cast materials; the grade balances hardness and toughness to cope with both continuous and interrupted cuts. For engineers less familiar with ISO groupings: P stands for steel grades, and K for cast iron — both categories are explicitly supported by this cutting solution.

Geometry that enhances rigidity and surface quality

The square 90° format with a 20° free angle provides robust edge support and consistent axial engagement during milling. The compact 12 mm size and 3 mm chipbreaker/thickness combination enable efficient material removal while preserving dimensional stability of the workpiece. In practice this geometry supports stable vibration behaviour and contributes to a reproducible surface finish when used with appropriate feeds and speeds.

Practical integration and process benefits

As an indexable milling insert from Walter Tools, this grade is suitable for a wide range of milling operations where repeatability and tool life are priorities. The insert’s standard ISO designation permits straightforward toolholder selection, and the proven chip behaviour reduces the need for frequent process adjustments. For production planners, the main benefits are process stability, fewer tool changes and improved overall throughput.

For reliable high‑performance milling with Walter Tools’ Tiger‑tec Silver inserts, contact Metav Werkzeuge for an application assessment and prompt supply — eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: SEKR1203AFTN-WKP35S-WALTER
• Label: Fräswendeschneidplatte SEKR1203AFTN WKP35S Walter Tools
• Product type: Fräswendeschneidplatte
• Manufacturer: Walter Tools

Core specifications

• Grade: WKP35S
• Series: Tiger‑tec Silver
• Geometry: Square 90°
• Free angle: 20°
• Plate size: 12
• Plate thickness: 03
• Execution: R

Features & Applications

• Material compatibility: P (steel)
• Material compatibility: K (cast iron)
• Tolerance class: K
• ISO designation: SEKR1203AFTN WKP35S
• Labelled series details included in technical description

FAQ

What materials is this insert suitable for? The SEKR1203AFTN WKP35S insert is specified for steel (ISO group P) and cast iron (ISO group K) applications and is tuned to the heat and chip‑formation characteristics of those materials.

How does the Tiger‑tec Silver coating affect tool life? The Tiger‑tec Silver coating on the WKP35S grade improves heat resistance and wear performance, resulting in extended edge life and more consistent component quality over longer production runs.

What does the 20° free angle mean for milling operations? A 20° free angle reduces rubbing at the flank and adapts the cutting geometry for stabilised engagement in a range of milling strategies, helping to maintain surface finish and reduce cutting forces.

Is the insert compatible with standard toolholders? Yes, the ISO designation corresponds with common toolholder systems for square inserts; the SEKR1203AFTN WKP35S can be mounted in standard holders designed for this geometry.

How is chip control addressed with this grade? The WKP35S grade, together with the insert geometry and coating, promotes predictable chip breaking and evacuation when cutting steel and cast iron, which supports continuous production and reduces the risk of rework.

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

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