P4840C-3R-E77 WN15 Wendeplatten - Walter Tools

Taking advantage of the WN15 carbide grade and the 3R-E77 chipbreaker provides reliable chip control and reproducible tool life for drilling and reaming tasks; order directly through Metav Werkzeuge or consult the team for compatibility with the specific product matrix.

P4840C-3R-E77 WN15 – Drilling/Reaming Indexable Insert by Walter Tools

P4840C-3R-E77 WN15 is an indexable insert designed for drilling and reaming operations, offering an open-series carbide grade for stable machining performance

• Uncoated carbide grade WN15
• 3R-E77 chipbreaker for stable chips
• For drilling and reaming operations
• Walter Tools series open grade

Greater uptime through controlled chip formation

The 3R-E77 chipbreaker is engineered to promote stable chip formation, reducing interruptions due to chip management and helping to maintain cycle times. In practice, this means fewer stoppages for clearing chips in deep-hole or interrupted penetrations and a more consistent process window. The chipbreaker geometry supports predictable evacuation and lowered risk of rework, contributing directly to improved machine utilisation and throughput.

Predictable performance from an uncoated carbide grade

The insert is supplied in the WN15 grade, an uncoated cemented carbide formulation described in the product series as an open grade. This composition delivers a balance between toughness and wear resistance suitable for a range of machining tasks; suitability for specific materials should be verified against the manufacturer’s product matrix. The result is consistent tool life and repeatable part quality when the grade is matched to the application.

Easy integration with existing toolholders and processes

Designed as a drilling/reaming indexable insert, the geometry P4840C-3R-E77 allows straightforward adaptation to compatible toolholders and established tool systems. The series open concept permits selection of the appropriate grade for the machining task while the catalogue-dependent material specification supports tailored procurement. For production environments aiming for process security, the insert offers a pragmatic combination of durability and chip control without complex coatings.

For procurement or technical clarification on Walter Tools P4840C-3R-E77 WN15, contact Metav Werkzeuge for application advice and order support at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: P4840C-3R-E77-WN15-WALTER
• Product type: Drilling/Reaming indexable insert
• Manufacturer: Walter Tools

Facts

• ISO designation: P4840C-3R-E77 WN15
• Grade: WN15
• Chipbreaker: 3R-E77

Special features

• Carbide type: uncoated cemented carbide
• Series: Walter Schneidstoffsorte - Serie offen
• Material specification: catalog-dependent

FAQ

What machining applications suit this indexable insert?
The P4840C-3R-E77 WN15 is intended for drilling and reaming operations where controlled chip formation is required; verify material compatibility against the Walter Tools product matrix before selection.

Is the WN15 grade coated or uncoated?
The WN15 designation indicates an uncoated cemented carbide grade supplied within the Walter Tools open series.

What benefits does the 3R-E77 chipbreaker provide?
The 3R-E77 chipbreaker promotes stable chips and improved evacuation, supporting uninterrupted cycles and consistent surface quality in drilling and reaming.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trade names are mentioned for explanatory purposes only. There is no connection between our company and the mentioned brands. The offered article is an original, factory-new product of the manufacturer.