SNHQ1205ZZR-A57T WAK15 Wendeplatten - Walter Tools

Achieve reliable aluminium machining with the uncoated WAK15 carbide combined with the A57T chipbreaker and a negative 0° rake; enjoy consistent chip control, stable cutting edges and straightforward integration into the Walter N-system — order the SNHQ1205ZZR-A57T WAK15 directly via Metav Werkzeuge or consult our specialists for process setup.

SNHQ1205ZZR-A57T WAK15 — Square milling insert, uncoated carbide for aluminium | Walter Tools

SNHQ1205ZZR-A57T WAK15 is a square, 90° milling insert optimised for aluminium and other non-ferrous metals in the Walter N-system

• Square 90° geometry for stable milling
• Uncoated WAK15 carbide for aluminium machining
• A57T chipbreaker for predictable chips
• Negative 0° rake for controlled cutting forces

Precision tailored for aluminium and non-ferrous alloys

The insert is based on an uncoated carbide grade designed specifically for non-ferrous materials such as aluminium and brass; this composition provides a very sharp cutting edge and low adhesion tendency. The square 90° geometry delivers robust support at the cutting tip, reducing vibration and helping to maintain consistent tolerances. For engineers seeking reproducible results in high-volume production, these characteristics translate into fewer rejects and a steadier process window.

Predictable chip control and cutting behaviour

Equipped with the A57T chipbreaker and a negative 0° rake, the design focuses on secure chip formation and controlled evacuation when machining soft, sticky materials. The chipformer reduces the risk of material build-up on the edge and enables shorter, manageable chips that facilitate automatic extraction. Explaining the terms: a negative rake increases tool strength at the cutting edge and helps resist edge deformation, while the chipbreaker geometry shapes swarf to prevent recutting — a major advantage when working with aluminium alloys.

System compatibility and operational benefits

The insert is part of the Walter N-system, allowing straightforward insertion into compatible toolholders and ensuring repeatable seating and orientation. The tolerance class H and execution Q signal dimensional reliability and consistent performance across batches. In practice this means easier tool changeover, reliable tool life forecasting and simplified tooling logistics for production shops that prioritise uptime and predictable throughput.

Contact Metav Werkzeuge today for tailored advice on integrating Walter Tools SNHQ1205ZZR-A57T WAK15 inserts into existing aluminium machining processes and to request sample quantities or application sheets.

Technical data

• SKU: SNHQ1205ZZR-A57T-WAK15-WALTER
• Product type: Milling indexable insert
• Series: Walter N-system
• Grade/sort: WAK15

Facts

• Insert size: 12
• Thickness code: 05
• Geometry: Square 90°
• Free rake angle: 0° (negative)
• Tolerance class: H
• Execution code: Q

Special features

• Chipbreaker: A57T
• Carbide: uncoated hard metal (WAK15)
• Application focus: Aluminium and other non-ferrous metals
• Insert designation: SNHQ1205ZZR-A57T
• System compatibility: Walter N-system

FAQ

Is this insert suitable for machining aluminium alloys?
Yes. The SNHQ1205ZZR-A57T WAK15 uses an uncoated carbide grade and an A57T chipbreaker that are optimised for aluminium and similar non-ferrous materials, providing sharp edges and reduced adhesion.

What advantage does the negative 0° rake offer?
A negative 0° rake increases cutting-edge strength and improves resistance to deformation; in the SNHQ1205ZZR-A57T it helps maintain stable cutting forces during interrupted or heavy-side milling operations.

Which toolholders are compatible with this insert?
The insert is designed for holders in the Walter N-system, ensuring correct seating and orientation when used with matching Walter toolholders for square 90° inserts.

Does the insert come with a coating?
No. The WAK15 designation indicates an uncoated hard metal grade chosen for its suitability with non-ferrous materials where low friction and a sharp edge are required.

Manufacturer/Responsible: Walter AG (Walter Tools); Tübingen; Germany

Geschützte Markenzeichen und Warenbezeichnungen liegen im Recht ihrer jeweiligen Eigentümer. Markennamen und geschützte Warenzeichen werden ausschließlich zu Erklärungszwecken genannt. Es besteht keinerlei Verbindung zwischen unserem Unternehmen und den genannten Marken. Es handelt sich bei dem angebotenen Artikel um originale fabrikneue Waren des Herstellers Walter Tools.