SDMT06T204-D57 WKP25S Wendeplatten - Walter Tools

Benefit from the combination of a proven Tiger‑tec Silver coating, the WKP25S cutting grade and a compact square 90° format for consistent milling performance; order the insert directly via Metav Werkzeuge or consult our specialists for application advice.

SDMT06T204-D57 WKP25S milling indexable insert by Walter Tools — for steel and cast iron

A high-performance milling indexable insert designed for productive machining of steel (P) and cast iron (K) in industrial milling operations.

Tiger‑tec Silver coating for long tool life
Grade WKP25S tuned for steel and cast iron
Square 90° form with 0.4 mm corner radius
Chipbreaker D57 for stable chip control

Consistent wear resistance for longer production runs

The series’ Tiger‑tec Silver coating combined with the WKP25S grade delivers a balanced resistance to abrasive wear and thermal loads typical when machining steel and cast iron. The coated carbide composition is engineered to maintain a stable cutting edge over extended cycles, reducing the need for frequent index changes and supporting predictable tool-life planning. For production environments where process repeatability matters, the coated grade provides a measurable improvement in uptime and less variation in component quality.

Geometry that improves chip formation and surface quality

The insert’s square 90° outline and integrated chipbreaker D57 produce controlled chip segmentation and evacuation, which reduces recutting and minimises thermal buildup at the cutting zone. A 15° clearance angle and 0.4 mm corner radius ensure a compromise between edge strength and fine surface finish: the corner radius contributes to robust performance in interrupted or heavy cut milling, while the clearance angle reduces rubbing and heat generation. These features translate into fewer tool-related interruptions and a more consistent surface quality on the machined part.

Compact format and tolerance control for flexible toolset integration

Presented in the SDMT06T204-D57 format with T2 thickness and tolerance class M, the insert integrates easily into standard cutter bodies designed for square‑edged indexable plates. The small plate size supports fine step-over adjustments and economical use in multi‑pass strategies, enabling efficient material removal rates without excessive strain on the toolholder. Where tooling compatibility and predictable clamping behaviour are required, this format offers a reliable solution for medium to high‑volume milling operations.

Clear application focus and process benefits

Developed primarily for catalogued uses in P (steel) and K (cast iron) material groups, the cutting geometry and grade selection aim to maximise process security and repeatable performance. The combination of coating technology and tailored chipbreaker reduces the incidence of edge chipping and abrasive wear when compared with uncoated grades, supporting a better cost per part ratio in many machining cycles. For planners and process engineers seeking measurable gains in throughput and stable component tolerances, this insert provides a straightforward route to improved productivity.

For detailed application guidance on the Walter Tools SDMT06T204-D57 WKP25S insert or to discuss stocking and delivery, contact Metav Werkzeuge for technical consultation at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: SDMT06T204-D57-WKP25S-WALTER
• Designation: SDMT06T204-D57 WKP25S
• Manufacturer: Walter Tools
• Series: Tiger‑tec Silver
• Grade: WKP25S
• Format: Square 90°
• Clearance angle: 15°
• Corner radius: 0.4 mm
• Chipbreaker: D57
• Thickness: T2
• Tolerance class: M
• Material application: P / K

Facts

• Corner radius: 0.4 mm
• Clearance angle: 15°
• Plate size: 06
• Thickness designation: T2
• Tolerance: M

Special features

• Coating: Tiger‑tec Silver
• Cutting material: coated carbide (WKP25S)
• Primary applications: steel and cast iron
• Plate form: square 90°
• Execution: T

FAQ

What materials is this insert suited for?
The SDMT06T204-D57 WKP25S insert is formulated for machining steel (P) and cast iron (K), reflecting the material groups indicated for the WKP25S grade.

What does the D57 chipbreaker provide?
Chipbreaker D57 on this insert improves chip control and evacuation, promoting stable cutting and reducing the risk of recutting during interrupted or continuous milling operations.

How does the Tiger‑tec Silver coating help in production?
The Tiger‑tec Silver coating enhances wear resistance and thermal stability, supporting longer edge life and more predictable tool performance across extended production runs.

Can the square 90° form be used for shoulder milling?
Yes, the square geometry with a 0.4 mm corner radius offers the rigidity and edge strength required for shoulder and face milling where a defined corner is needed.

Is the insert compatible with standard cutter bodies for SDMT inserts?
The SDMT06T204-D57 format with T2 thickness and tolerance class M is compatible with holders designed for SDMT-style square indexable plates; compatibility should be verified against the specific toolholder catalogue.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen, Germany; Walter Tools is a brand of the Walter AG group, a leading producer of precision cutting tools for metalworking and part of the Sandvik Group. Protected trademarks and product names remain the property of their respective owners. The mentioned brand is referenced for explanation only and does not imply any affiliation with the seller.