ONMU050408-D57 WSP45G Wendeplatten - Walter Tools

Take advantage of the combination of robust edge security, versatile material compatibility and proven Tiger‑tec Gold coating for consistently productive milling cycles; order the ONMU050408-D57 WSP45G insert directly via Metav Werkzeuge or consult our advisers for application support.

ONMU050408-D57 WSP45G Milling insert — Tiger‑tec Gold, octagonal, 0° negative rake — Walter Tools

The ONMU050408-D57 WSP45G is an octagonal milling indexable insert engineered for versatile milling in steel, stainless steel and heat‑resistant alloys, offering high process stability in demanding production environments

• Tiger‑tec Gold PVD coating for extended wear resistance
• WSP45G grade for steel, stainless and superalloys
• Octagonal insert with 0.8 mm corner radius
• D57 chipbreaker for secure chip control

Robust coating and grade for longer tool life

The combination of the Tiger‑tec Gold coating and the WSP45G grade provides high resistance to flank wear and thermal loading while maintaining a reliable cutting edge. This PVD‑coated cemented‑carbide composition is formulated to balance toughness and hardness, which reduces edge chipping during interrupted cuts and supports longer intervals between indexings. For production managers seeking predictable tool change intervals, this results in fewer unplanned stops and improved overall equipment effectiveness. The insert’s coated surface also reduces adhesion of built‑up edge when machining materials that tend to smear, contributing to consistent surface quality on workpieces.

Geometry that supports secure cutting and repeatability

The octagonal shape and corner radius 0.8 mm deliver a favourable mix of cutting strength and multiple usable cutting edges, helping to lower tooling cost per part through more indexings. The 0° negative rake gives a robust cutting geometry that tolerates heavy cuts and interrupted milling better than fragile positive‑rake alternatives; this geometry is particularly effective for roughing passes where edge strength is critical. The D57 chipbreaker has been designed to promote short, controllable chips across a wide range of feeds, reducing the risk of entanglement and improving process stability. For operators new to insert geometry, a chipbreaker channels and breaks chips to protect both the workpiece and the tool, thereby simplifying chip management at the machine.

Application guidance and productivity benefits

Specified for workpiece groups P / M / S, the insert is suitable for unalloyed and alloyed steels, rostfreie Stähle and heat‑resistant superalloys and titanium, making it a versatile choice across mixed production runs. Using this insert in combination with appropriate cutting data enables higher metal removal rates while maintaining consistent edge life, which often translates into lower cost per component. The tolerance class M supports interchangeability and repeatable seating in modern milling cutters, helping to preserve run‑out accuracy and surface finish. For planning purposes, the insert’s robustness favours operations where stability and repeatable quality are valued over maximal surface‑finish finesse.

Practical advantages for workshop integration

Because of its multiple indexable edges and stable geometry, the insert contributes to simplified inventory management and predictable tooling cycles. The octagonal format increases the number of available edges per insert, which can reduce purchase frequency and inventory turns. In addition, the combination of a well‑engineered grade and a proven coating supports reliable performance in series production and short runs alike. For technicians, the neutral rake and defined chip control reduce the need for micromanagement of cutting conditions during mixed‑material batches, supporting smoother handovers between shifts and fewer process deviations.

Choose Walter Tools Tiger‑tec Gold inserts from Metav Werkzeuge for a measurable step up in milling process security and productivity; contact Metav Werkzeuge for tailored cutting data and application advice at info@metav-werkzeuge.com or by telephone on +49 2822 7131930

Technical data

• Article number / SKU: ONMU050408-D57-WSP45G-WALTER
• Designation: ONMU050408-D57 WSP45G
• Manufacturer: Walter Tools

Facts

• Corner radius: 0.8 mm
• Free rake angle: 0° (negative)
• Size code: 05
• Thickness code: 04
• Tolerance class: M

Special features

• Series: Tiger‑tec Gold
• Grade: WSP45G (PVD‑coated cemented carbide)
• Insert shape: octagonal
• Chipbreaker: D57
• Applicable material groups: P / M / S

FAQ

What materials can this insert machine effectively?
The ONMU050408-D57 WSP45G insert is intended for machining groups P / M / S, meaning it is suitable for steels, rostfreie Stähle and heat‑resistant superalloys and titanium, providing reliable chip control across these materials.

How does the D57 chipbreaker affect milling performance?
The D57 chipbreaker on the ONMU050408-D57 WSP45G promotes short, manageable chips and more consistent cutting forces, which helps maintain surface quality and reduces the likelihood of chip re‑cutting or entanglement.

Is the geometry suited to heavy roughing operations?
Yes, the octagonal insert with a 0° negative rake is designed for robust edge strength and performs well in heavy milling and interrupted cuts, offering improved resistance to edge chipping.

What tolerance and repeatability can be expected when changing inserts?
With tolerance class M, the ONMU050408-D57 WSP45G insert supports consistent seating and repeatable positioning in compatible cutter bodies, aiding dimensional stability and surface finish across indexings.

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

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