SDMT120408-F57 WKP35G WKP35G Wendeplatten - Walter Tools

High process stability and the Tiger·tec Gold coating provide extended tool life and consistent chip control for demanding steel and cast-iron milling. The combination of WKP35G grade and a defined F57 chipbreaker enables reliable, productive machining; order the inserts via Metav Werkzeuge or consult our specialists for tailored cutting data.

SDMT120408-F57 WKP35G milling indexable insert — Tiger·tec Gold, Walter Tools

SDMT120408-F57 WKP35G is a square 90° indexable milling insert developed for productive machining of steel and cast iron, combining a robust coated-carbide grade with a chipbreaker tuned for controlled chips

• Tiger·tec Gold coating for extended tool life
• WKP35G coated carbide grade for robust edge
• Suitable for steel and cast iron machining
• Square 90° form with 0.8 mm corner radius

Consistent performance through advanced coating and grade

The insert is built around the Tiger·tec Gold technology and the WKP35G coated-carbide grade, a pairing engineered for wear resistance and stable edge life in cyclic and continuous milling. Coating layers reduce flank and crater wear, which results in fewer tool changes and longer uninterrupted runs; this translates into measurably higher process reliability in both series production and job-shop environments. According to ISO classification, the grade addresses the thermal and chip-formation characteristics typical of steel and cast iron, helping to maintain dimensional stability under varying cutting conditions.

Geometry that supports productivity and surface quality

Designed in a square 90° format with a 15° clearance angle and a 0.8 mm corner radius, the geometry balances edge strength and accessibility for general milling tasks. The defined F57 chipbreaker promotes short, controllable chips in heavy interrupted cuts and common finishing passes, reducing the risk of built-up edge and improving surface integrity. The tolerance class M ensures interchangeability and predictable fit in standard tool holders compatible with the SDMT120408-F57 designation, simplifying tool management and replacement procedures on the shop floor.

Practical advantages for machining shops and toolrooms

With a compact thickness and standardised form, this insert supports efficient tool indexing and inventory management while delivering repeatable results across batches. The coated carbide composition and chip control features lower overall machining costs by extending cutting-edge life and reducing scrap from poor chip evacuation. For customers seeking reliable performance from a recognised supplier, the Walter Tools series offers stable cutting behaviour and easy integration into established milling processes — a pragmatic choice for mixed-material production involving steel and cast iron.

Contact Metav Werkzeuge for application-specific cutting data and to secure Walter Tools Tiger·tec Gold inserts for demanding steel and cast-iron milling

Technical data

• SKU: SDMT120408-F57-WKP35G-WALTER
• ISO designation: SDMT120408-F57 WKP35G
• Product type: Milling indexable insert
• Manufacturer: Walter Tools
• Series: Tiger-tec Gold
• Grade: WKP35G
• Execution: T
• Chipbreaker: F57

Facts

• Size: 12 mm
• Thickness: 4 mm
• Corner radius: 0.8 mm
• Clearance angle: 15°
• Shape: Square 90°
• Tolerance class: M

Special features

• Coating/series: Tiger·tec Gold
• Carbide grade: WKP35G (coated carbide)
• Suitable for: Steel (P) and Cast iron (K)
• Material designation: P / K
• Chip control: F57
• Product designation without grade: SDMT120408-F57

FAQ

Which materials can be machined with this insert?
The SDMT120408-F57 WKP35G milling indexable insert (Walter Tools) is specified for ISO material groups P and K, meaning it is suitable for a wide range of steel grades and for cast iron applications.

How does the Tiger·tec Gold coating affect tool life?
The Tiger·tec Gold coating on the WKP35G grade enhances wear resistance and thermal stability, which extends cutting-edge life and improves consistency under higher cutting temperatures.

What is the benefit of the F57 chipbreaker and 0.8 mm corner radius?
The F57 chipbreaker produces short, manageable chips for interrupted and continuous milling, while the 0.8 mm corner radius increases edge robustness and reduces the likelihood of chipping during heavy cuts.

Is the insert compatible with standard SDMT holders?
Holders and tool systems that accept the SDMT120408-F57 designation will accommodate this insert; the tolerance class M supports predictable fit and repeatable clamping.

For which machining tasks is this geometry particularly suitable?
The square 90° form with a 15° clearance angle is versatile for a range of operations, from roughing to general finishing, offering a good compromise between strength and surface access.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and trademarks are mentioned solely for explanation and identification. There is no affiliation or partnership between Metav Werkzeuge and the named brands; the offered article is an original, factory-new product of the manufacturer Walter Tools.