SPMT1204AEN WKP25S T Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating, reliable performance on steel (P) and cast iron (K), and precise 90° geometry for consistent chip control and long tool life — order via Metav Werkzeuge or ask the consultants for application advice.

SPMT1204AEN WKP25S milling insert — Tiger·tec Silver, for steel and cast iron (Walter Tools)

The SPMT1204AEN WKP25S is a square 90° indexable milling insert engineered for productive machining of steel and cast iron, offering consistent wear resistance and stable chip formation in demanding milling operations.

• Tiger·tec Silver coating for wear resistance
• Optimised for steel (P) and cast iron (K)
• Square 90° form for robust cutting geometry
• Tolerance class M for consistent interchangeability

Enhanced productivity through controlled wear and process stability

The Tiger·tec Silver grade delivers a balance of wear resistance and toughness that keeps cutting edges stable under varying loads. Designed for productive milling of steel (P) and cast iron (K), this insert reduces unplanned tool changes and supports higher metal removal rates. The coating and grade combination promotes predictable flank wear, which helps maintain surface finish and cycle-time targets in production environments.

Stable chip control and robust edge geometry for reliable machining

A square 90° form combined with an 11° free angle provides a strong cutting edge and reliable geometry for interrupted cuts and mixed chip forms typical of cast iron and steel. The insert’s design encourages consistent chip breakage and evacuation, lowering the risk of built-up edge and improving dimensional stability. For operations where repeatability and process security matter, the geometry contributes directly to fewer scrapped parts and steadier machine throughput.

Practical selection and compatibility for workshop workflows

The insert is supplied in the SPMT1204AEN family and is designated WKP25S, a coated carbide grade tuned for general-purpose milling of P and K groups. Its tolerance class M simplifies indexable plate changes and tool assembly, reducing setup time. Selection guidance: match the insert’s size and edge form to the cutter body and the required radial/axial engagement; the insert is ideal where a balance of tool life and surface quality is expected.

Why the coating and grade matter to total cost of ownership

The Tiger·tec Silver technology combines coating performance with a substrate designed for stable chip formation. This results in lower tooling cost per component through extended intervals between regrinds or replacements and improved process reliability. For production shops aiming to increase uptime, the insert’s coated carbide composition helps maintain edge integrity under higher cutting speeds and variable feed conditions, contributing to measurable efficiency gains.

Discuss application-specific recommendations with Metav Werkzeuge — for machining strategies, grade selection or batch optimisation contact info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: SPMT1204AEN-WKP25S-WALTER
• Article designation: SPMT1204AEN WKP25S
• Product type: milling insert (indexable plate)
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver

Core data

• Size: 12
• Thickness: 04
• Shape: Square 90°
• Free angle: 11°
• Tolerance class: M

Special features

• Grade: WKP25S (coated carbide)
• Material suitability: Steel (P), Cast iron (K)
• Coating technology: Tiger·tec Silver
• Execution: T
• Plate designation without grade: SPMT1204AEN

FAQ

Which materials is this insert suited for?
The SPMT1204AEN WKP25S from Walter Tools is intended for steel (P) and cast iron (K) applications, offering a grade and coating tuned for the typical heat and chip conditions of these groups.

What benefits does the Tiger·tec Silver technology provide?
Tiger·tec Silver gives the insert improved wear resistance and reliable edge life, resulting in steadier cutting performance and fewer tool changes when using the SPMT1204AEN WKP25S in continuous production.

Can this insert be used for interrupted cuts or heavy engagements?
Yes — the square 90° geometry and robust grade make this insert suitable for interrupted cutting and moderate heavy-duty milling where edge strength and predictable chip control are required.

How does tolerance class M affect tool handling?
Tolerance class M ensures consistent plate dimensions and interchangeability, so the SPMT1204AEN WKP25S fits standard tool bodies with minimal re-adjustment and supports rapid index changes.

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking and is part of the Sandvik group. Protected trademarks and trade names remain the property of their respective owners; brand names are mentioned solely for explanation and do not imply any affiliation.