SPMW120408-A57 WPP35G W - Wendeplatten - Walter Tools

Take advantage of the combination of the Tiger·tec Gold coating and the ISO P suitability for Stahl to ensure consistent chip control and longer tool life; the square 90° geometry with a 0.8 mm corner radius gives robust cutting edges for demanding milling tasks. Order the insert directly via Metav Werkzeuge or consult the technical team for process matching.

SPMW120408-A57 WPP35G Milling indexable insert — Tiger·tec Gold, square 90° (Walter Tools)

A SPMW120408-A57 WPP35G milling indexable insert engineered for Stahl machining, combining a Tiger·tec Gold coated carbide grade with a square 90° geometry for reliable face and shoulder milling.

• Tiger·tec Gold coating for extended tool life
• ISO P classification for Stahl machining
• Square 90° insert for robust cutting edges
• 0.8 mm corner radius for stable chip formation

High-performance coating for predictable production

The combination of the Tiger·tec Gold coating and the WPP35G grade delivers a wear-resistant cutting edge that is optimised for ISO P applications in Stahl. This coated carbide formulation is designed to tolerate the typical heat and chip formation of steel milling, which results in consistent tool life and fewer unforeseen index changes. For production environments where process stability and repeatability matter, this insert reduces downtime caused by edge failure and supports predictable component quality.

Geometry engineered for strength and chip control

A square 90° plate form with a 0.8 mm corner radius and an 11° clearance angle provides a sturdy cutting edge that resists chipping during heavy shoulder cuts. The built geometry works in concert with the A57 chipbreaker to produce controlled chips and stable evacuation, reducing the risk of built-up edge and improving surface finish. This configuration suits a range of milling operations where a robust edge and reliable chip control directly translate into higher first-pass yield and fewer rework cycles.

Practical fit in the machining process

The insert is intended primarily for milling Stahl grades—both unalloyed and alloyed—and is identified by the Tiger·tec Gold series designation for process reliability. The combination of the chipformer, the coated carbide grade and the square geometry supports versatile use in roughing and semi-finishing applications. For process planning, consider matching feeds and speeds to the insert grade and the workpiece material to maximise the advantages of the coating and geometry; consultation with the technical team helps to align cutting data with the intended operation and machine capability. The SPMW120408-A57 WPP35G insert performs where stable chip formation and edge life are critical.

Contact Metav Werkzeuge for application matching and ordering of Walter Tools SPMW120408-A57 WPP35G inserts; technical consultation is available by e‑mail or phone to ensure the best process setup

Technical data

• SKU: SPMW120408-A57-WPP35G-WALTER
• ISO designation: SPMW120408-A57 WPP35G
• Series: Tiger·tec Gold
• Grade: WPP35G
• Manufacturer: Walter Tools

Facts

• Corner radius: 0.8 mm
• Clearance angle: 11°
• Plate form: Square 90°
• Size: 12 mm
• Thickness code: 04
• Tolerance class: M
• Chipbreaker: A57

Special features

• Coating: Tiger·tec Gold
• Substrate: coated carbide (Hartmetall)
• Material application: Stahl
• Execution: W
• Plate designation without grade: SPMW120408-A57

FAQ

What materials is this insert best suited for?
The insert is designed for Stahl machining and the WPP35G grade paired with the Tiger·tec Gold coating is optimised for unalloyed and alloyed steels under ISO P classifications.

How does the A57 chipbreaker affect machining?
The A57 chipbreaker on the SPMW120408-A57 WPP35G promotes stable chip control, improving evacuation and surface quality in typical Stahl milling operations.

Is the geometry suitable for shoulder milling?
Yes, the square 90° plate form with a 0.8 mm corner radius provides robust edges suitable for shoulder and face milling where strength and edge security are required.

Which series and grade should be selected for higher wear resistance?
Tiger·tec Gold in grade WPP35G offers a balanced combination of wear resistance and toughness for general Stahl applications; process-specific adjustments can be recommended by the technical team.

Can this insert be used for finishing operations?
While the SPMW120408-A57 WPP35G is effective in roughing and semi-finishing, final finishing may require a different geometry or a smaller corner radius depending on the surface finish specifications.

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

Protected trademarks and trade names remain the property of their respective owners. Brand names are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The offered article is an original, factory‑new product of the manufacturer Walter Tools.