SDET1204AZN-F57 WEP20 WEP20 Wendeplatten - Walter Tools

Take advantage of the WEP20 cermet grade and the F57 chipbreaker to achieve consistent finishing performance and reliable chip control; combine that with the robust square 90° geometry for durable corner life. Order through Metav Werkzeuge or consult our team for application-specific recommendations.

SDET1204AZN-F57 WEP20 milling indexable insert — square 90°, 15° clearance — Walter Tools

The SDET1204AZN-F57 WEP20 is a cermet milling indexable insert engineered for productive finishing operations and stable chip control in general milling applications.

• Cermet grade WEP20 for fine finishing
• Square 90° geometry for robust corners
• 15° clearance angle for reduced cutting forces
• Integrated F57 chipbreaker for stable chip control

Predictable finishing and extended edge life

The cermet WEP20 composition is optimised for high-quality surface finishes and predictable wear behaviour. As a cermet grade, it combines ceramic hardness with metallic toughness, which promotes a fine cutting edge and extended tool life in finishing passes. The square 90° shape provides strong corner support, reducing the risk of chipping under moderate loads, while the tolerance class E ensures consistent seat and repeatability across insert changes. These attributes help maintain part quality and reduce rework rates.

Stable chip control and process reliability

Integrated F57 chipbreaker geometry manages chip formation reliably during interrupted or continuous cuts, promoting smooth evacuation and reduced recutting. Coupled with the 15° clearance, the insert lowers cutting forces and heat generation at the cutting edge, improving stability in the machining process. This combination supports higher feed stability and contributes to predictable cycle times — essential for process planners seeking reproducible results and improved machine utilisation.

Easy integration into existing tool systems

The insert is available in the standard ISO designation SDET1204AZN-F57 WEP20, which facilitates quick identification and replacement in compatible milling holders. The execution code T and plate thickness 04 are specified for mechanical compatibility; check the customer’s toolholder matrix for exact seating details. Because material suitability can depend on the specific tool–workpiece combination, the product matrix should be consulted for final application selection, ensuring the insert meets the required process demands.

For precision finishing tasks with Walter Tools’ WEP20 cermet grade, contact Metav Werkzeuge for tailored application advice or detailed technical data by e‑mail at info@metav-werkzeuge.com or by phone at +49 2822 7131930

Technical data

• Article number / SKU: SDET1204AZN-F57-WEP20-WALTER
• ISO designation: SDET1204AZN-F57 WEP20
• Product type: Milling indexable insert
• Grade / Sort: WEP20
• Manufacturer: Walter Tools

Facts

• Plate size: 12
• Plate thickness: 04
• Clearance angle: 15°
• Plate form: Square 90°
• Chipbreaker: F57
• Tolerance class: E

Special features

• Cermet cutting material (WEP20)
• Series: Walter Schneidstoffsorte - Serie offen
• Execution: T
• Material specification: Katalogabhängig
• Suitable for finishing applications; verify product matrix for material range

FAQ

What materials is this insert suitable for?
Material suitability depends on the specific application matrix; the SDET1204AZN-F57 WEP20 uses a cermet grade that is typically chosen for finishing operations — please consult the product matrix for confirmed workpiece material compatibilities.

How does the F57 chipbreaker affect performance?
The F57 chipbreaker promotes controlled chip formation and evacuation, reducing the likelihood of chip-related downtime and improving surface finish consistency when used within recommended cutting parameters.

What does tolerance class E mean for tool setup?
Tolerance class E denotes the manufacturing tolerance for the insert; this ensures a consistent fit and repeatability in the toolholder, contributing to predictable seating and machining accuracy.

Can this insert be used for roughing operations?
This insert is optimised for finishing and medium-duty milling due to the WEP20 cermet composition and fine-edge geometry; for heavy roughing, consider inserts and grades specifically designed for higher mechanical loads.

How is the 15° clearance angle beneficial?
A 15° clearance angle reduces cutting edge contact with the workpiece behind the cutting lip, lowering friction and heat generation, which helps maintain the sharpness of the cutting edge during finishing passes.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is among the world’s leading manufacturers of precision tools for metalworking and is part of the Swedish Sandvik Group. Protected trademarks and trade names are the property of their respective owners and are mentioned for explanation only. The supplied item is an original, factory-new product of the manufacturer.