ONHF050408-F67 WHH15X F Wendeplatten - Walter Tools

Take advantage of the combination of coated carbide grade WHH15X, chipbreaker F67 and an octagonal form with 0° negative rake for reliable, repeatable milling operations. Order the insert directly via Metav Werkzeuge or ask the consultants for cutting data and application advice.

ONHF050408-F67 WHH15X — milling indexable insert by Walter Tools, chipbreaker F67

The ONHF050408-F67 WHH15X is an octagonal milling indexable insert designed for stable chip control and robust performance in a wide range of milling tasks.

• Octagonal insert for multiple cutting edges
• Coated carbide grade WHH15X
• Chipbreaker F67 for controlled chips
• 0° negative rake for stable cutting

Consistent edge life for predictable production

The octagonal shape and the coated carbide grade WHH15X deliver a balanced combination of wear resistance and multiple indexable edges, which reduces downtime for tool changes. An octagonal form provides more usable cutting corners per insert compared with standard geometries, helping to maintain cycle times and minimise operational interruptions. The tolerance class H supports repeatable seating and secure clamping in standard toolholders, contributing to process stability on production lines.

Controlled chips and improved surface quality

The integrated chipbreaker F67 is engineered to influence chip formation, producing smaller, manageable chips that ease evacuation from the cut and reduce the risk of re-cutting. Better chip control directly helps to maintain surface finish and decreases post-machining cleaning. Where finishing or semi-finishing is required, the combination of chip geometry and the insert’s profile enhances surface consistency and reduces the likelihood of secondary operations.

Robust geometry for demanding conditions

A 0° negative rake (negative cutting angle) increases the effective strength of the cutting edge, making the insert suited to interrupted cuts, varied engagement conditions and tougher milling scenarios. Negative rake geometry typically provides greater tool life under shock loading and when machining less predictable workpiece surfaces. This makes the insert a practical choice for mixed-production environments where reliability is paramount.

Practical handling and selection advice

This indexable insert is provided in the Walter Tools open grade series and is described as a coated cemented carbide product; material specifics are catalogue-dependent and should be checked against the manufacturer’s product matrix before selection. For application matching, confirm seat type and toolholder compatibility and consult the cutting data for optimal speeds and feeds. Metav Werkzeuge can supply detailed recommendations based on the intended workpiece and machining strategy.

Contact Metav Werkzeuge to discuss application requirements and request cutting data for the Walter Tools ONHF050408-F67 WHH15X; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: ONHF050408-F67-WHH15X-WALTER
• Product label: Fräswendeschneidplatte ONHF050408-F67 WHH15X Walter Tools
• Manufacturer: Walter Tools
• Product type: milling indexable insert

Facts

• Plate form: octagonal
• Plate size designation: 05
• Plate thickness designation: 04
• Corner radius: 0.8 mm
• Free angle: 0° (negative)
• Tolerance class: H
• Chipbreaker: F67

Special features

• Grade: WHH15X (coated cemented carbide)
• Series: Walter grade series — open
• Material specification: catalogue-dependent
• Base designation: ONHF050408-F67
• ISO designation: ONHF050408-F67 WHH15X
• UID: ONHF050408-F67-WHH15X-WALTER

FAQ

What is the primary advantage of the octagonal form?
The octagonal form increases the number of usable cutting corners per insert, improving cost efficiency and reducing changeover frequency for the ONHF050408-F67 WHH15X.

For which cutting situations is a 0° negative rake recommended?
A 0° negative rake is recommended where a stronger cutting edge is needed, such as interrupted cuts or unstable engagements; the insert’s geometry supports robustness in such conditions.

How does the chipbreaker F67 affect machining?
The chipbreaker F67 promotes controlled chip formation and easier evacuation, which improves surface finish and reduces the risk of chip interference during milling with this Walter Tools insert.

Is the WHH15X grade suitable for all materials?
The WHH15X is a coated cemented carbide grade; material suitability must be checked against the manufacturer’s product matrix and the catalogue-dependent specifications for the ONHF050408-F67 WHH15X.

How many indexable edges does the insert provide?
The octagonal shape offers multiple indexable edges; the exact number of usable corners corresponds to the octagonal geometry and standard indexing practice for this insert type.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen; Germany

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