SPJW1204EDR WAK15 Wendeplatten - Walter Tools

Combining the sharp geometry of the Walter N-grade WAK15, a square 90° cutting profile and an 11° relief angle, this insert delivers efficient, low-adhesion machining of aluminium and other non‑ferrous metals; benefit from precise chip control and predictable tool life. Order the SPJW1204EDR WAK15 milling insert directly via Metav Werkzeuge or ask our consultants if needed.

SPJW1204EDR WAK15 — Square milling insert, 11° relief, for aluminium and non‑ferrous metals | Walter Tools

The SPJW1204EDR WAK15 is a square indexable milling insert designed for high-performance machining of aluminium and other non‑ferrous metals in production and jobbing environments.

• Walter N-grade WAK15 for non‑ferrous metals
• Sharp uncoated carbide for aluminium machining
• Square 90° insert geometry
• 11° relief angle for low cutting forces

Consistent aluminium performance with an uncoated N‑grade

The N‑grade WAK15 is an uncoated carbide developed for high productivity in aluminium and similar materials. The grade emphasises a very sharp cutting edge and friction‑reducing edge geometry to prevent built‑up edge—common when machining soft, adhesive metals. These characteristics result in improved surface finish and fewer interruptions during runs, so milling operations run more predictably and with reduced rework. For workshops looking to cut cycle times on prismatic parts or profiles, the combination of a sharp grade and optimised edge geometry offers tangible efficiency gains.

Geometry that reduces cutting forces and improves stability

The insert’s square 90° geometry and 11° relief angle support robust face and shoulder milling while keeping radial and axial forces manageable. A lower relief angle diminishes the contact area behind the cutting edge, reducing rubbing and heat build‑up; this helps maintain a sharp edge for longer and lowers the risk of material adhesion. The tolerance class J ensures consistent dimensions part‑to‑part, enabling predictable clamping and repeatable results. For operators, this means reliable seating in standard insert holders and stable performance during interrupted or stepped cuts.

Practical selection and application advice for reliable results

The insert is optimised for aluminium and other non‑ferrous metals, making it suitable for tasks such as high‑feed face milling, slotting of profiles and light shoulder operations. When paired with a suitable cutter body and correct feed rates, the uncoated carbide reduces the need for frequent edge dressing. For best results, use appropriate coolant/lubrication strategies for aluminium and select holders that support the insert’s square geometry and clearance requirements. For application support or to confirm compatibility with specific toolholders and machines, Metav Werkzeuge can provide tailored advice and cutting data.

Contact Metav Werkzeuge for availability and application support: Metav Werkzeuge offers practical advice on tooling selection and cutting parameters — email info@metav-werkzeuge.com or call +49 2822 7131930 to discuss the SPJW1204EDR WAK15 and options for integration into existing toolsets

Technical data

• Article number: SPJW1204EDR-WAK15-WALTER
• Designation: SPJW1204EDR WAK15
• Type: Fräswendeschneidplatte (milling insert)
• Manufacturer: Walter Tools
• Series: Walter N‑Sortensystem
• Grade: WAK15
• Tolerance class: J

Facts

• Relief angle: 11°
• Insert shape: Square 90°
• Size code: 12
• Thickness code: 04

Special features

• Uncoated carbide grade for aluminium and NE‑metals
• Optimised geometry to reduce material adhesion
• Suitable for face and shoulder milling applications
• Designed for predictable chip control and surface quality

FAQ

What materials is this insert intended for?
The SPJW1204EDR WAK15 insert is specified for aluminium and other non‑ferrous metals; the WAK15 grade is optimised to avoid built‑up edge when machining these materials.

Is the grade coated or uncoated?
This Walter Tools grade WAK15 is an uncoated carbide, selected to provide very sharp cutting edges and low friction for adhesive materials.

Which insert geometry suits interrupted cuts or shoulders?
The square 90° geometry offers robust cutting edges for face and shoulder milling; combined with the 11° relief angle it provides good stability for intermittent engagement.

How does the 11° relief angle affect cutting?
An 11° relief angle reduces rubbing behind the cutting edge and lowers cutting forces, which helps maintain edge sharpness and improves surface finish when milling non‑ferrous metals.

Can this insert be used with standard Walter holders?
The insert designation and tolerance class are compatible with holders designed for SPJW‑style inserts; confirm holder type and clamping dimensions before assembly.

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

Protected trademarks and brand names are the property of their respective owners. Brand names and protected product names are mentioned solely for explanation. There is no connection between our company and the named brands. The offered article is original factory‑new goods of the manufacturer (Walter Tools).