SDET09T3AZN-F57 WEP20 Wendeplatten - Walter Tools

The combination of a WEP20 cermet grade, a F57 chipbreaker and a 15° clearance angle ensures reliable chip control and consistent edge life for finishing operations. Order the insert directly via Metav Werkzeuge or consult our application specialists for suitability in specific machining tasks.

SDET09T3AZN-F57 WEP20 – Walter Tools milling insert, square 90°, 15° clearance

SDET09T3AZN-F57 WEP20 is a square milling insert designed for finishing and stable chip formation in precision milling applications, offering a balance of edge stability and process reliability

• Cermet grade WEP20 for wear resistance
• Square 90° geometry for shoulder milling
• 15° clearance angle for reduced rubbing
• F57 chipbreaker for controlled chip formation

Proven edge life through cermet technology

The use of the WEP20 cermet grade provides a hard, wear‑resistant cutting edge that is optimised for finishing and where consistent surface quality matters. Cermet substrates combine high hardness with improved hot hardness, resulting in extended tool life under steady cutting conditions. For production environments seeking predictable tool change intervals and reduced rework, the cermet composition contributes directly to productivity gains and lower per‑part tooling costs.

Controlled chip formation and process stability

The integrated F57 chipbreaker is engineered to generate short, controllable chips that evacuate reliably from the cut, reducing the risk of recutting and tool damage. Coupled with the square 90° insert geometry and a 15° clearance angle, this design minimises rubbing and vibration during shoulder milling and light to medium finishing passes. The insert thickness T3 contributes to rigidity at the cutting edge, supporting stable cutting parameters and consistent surface finish.

Clear specification for easy tool matching

With the ISO designation SDET09T3AZN-F57 WEP20 and tolerance class E, the insert is straightforward to identify and match with compatible toolholders. The series information indicates the insert belongs to Walter’s open series for the WEP20 grade; material suitability should be verified against the manufacturer’s product matrix to ensure correct application. This clarity in specification simplifies procurement and spare‑part management for toolrooms and production planners.

For application advice, availability or to request the SDET09T3AZN-F57 WEP20 for an upcoming job, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to obtain tailored recommendations and delivery options

Technical Data

• SKU: SDET09T3AZN-F57-WEP20-WALTER
• Designation: SDET09T3AZN-F57 WEP20
• Type: Milling insert
• Manufacturer: Walter Tools

Facts

• Clearance angle: 15°
• Insert shape: Square 90°
• Insert size: 09
• Thickness: T3
• Chipbreaker: F57
• Tolerance class: E

Special features

• Grade: WEP20 (cermet)
• Series: Walter Schneidstoffsorte - Serie offen
• Material: Katalogabhängig
• ISO designation: SDET09T3AZN-F57 WEP20
• Execution: T

FAQ

What machining tasks suit this insert best?
The SDET09T3AZN-F57 WEP20 milling insert is optimised for finishing operations and shoulder milling where controlled chip formation and consistent surface quality are required.

Is WEP20 suitable for roughing operations?
WEP20 is a cermet grade focusing on wear resistance and surface finish; for heavy roughing, alternative grades may be preferable—consult the WEP20 product matrix for confirmation.

How does the F57 chipbreaker affect cutting parameters?
The F57 chipbreaker on the SDET09T3AZN-F57 WEP20 encourages short, controllable chips, allowing for stable feeds and reduced risk of recutting in typical finishing passes.

What does tolerance class E mean for toolholders?
Tolerance class E indicates a defined dimensional tolerance that aids repeatable seating and clamping in standard toolholders when using the SDET09T3AZN-F57 WEP20.

Can the insert be used across different materials?
The WEP20 grade is a cermet; material suitability varies—verify the insert’s performance against the manufacturer’s product matrix before use.

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 protected designations are mentioned for explanation only. There is no connection between our company and the mentioned brands. The offered item is original factory‑new goods of the manufacturer. The Walter brand is used where applicable to describe the product and its original manufacturer.