P4840C-2R-E77 WN15 Wendeplatten - Walter Tools

Take advantage of a combination of precise chip control and robust uncoated carbide performance for reliable drilling and boring operations; the controlled-chip geometry reduces interruption time and supports consistent cycle output. Order the insert directly via Metav Werkzeuge or consult the specialists if further application data is required.

P4840C-2R-E77 WN15 — Drill/Boring Indexable Insert with 2R‑E77 Chipbreaker, Walter Tools

P4840C-2R-E77 WN15 is a purpose-built indexable insert for drilling and boring tasks, offering a dedicated chipbreaker and an uncoated cemented carbide grade for general cutting applications.

Uncoated cemented carbide WN15 grade
2R‑E77 chipbreaker for controlled chips
Designed for drilling and boring operations
Catalogue-dependent material specification

Stable chip control for fewer interruptions

The insert’s 2R‑E77 chipbreaker is engineered to create short, controllable chips that reduce the risk of clogging during through-hole and blind-hole operations. This geometric feature improves process stability and minimises unplanned stoppages, leading to more predictable cycle times. As a result, tool change frequency and secondary handling are reduced, which supports a smoother production flow and higher machine utilisation.

Proven cutting material with broad applicability

Equipped in the WN15 grade – an uncoated cemented carbide – the cutting edge provides a balance between wear resistance and toughness suitable for many general machining tasks. The uncoated carbide offers predictable wear behaviour and can perform well in stable cutting conditions. Material compatibility must be confirmed against the supplier’s product matrix, since cutting potential depends on workpiece material and cutting parameters; this ensures the chosen grade meets the required service life and surface finish expectations.

Practical integration into machining routines

The insert geometry and designation make it straightforward to plan tooling for drilling and boring operations: the format aligns with common clamping and indexable systems, facilitating inventory management and quick replacement. With a clear designation and chipbreaker type, process engineers can match cutting data to the insert’s characteristics and validate feeds and speeds experimentally. The product specification notes that the material specification is catalogue-dependent, so selection should be verified for the intended application to achieve consistent results.

For targeted application advice or to secure the P4840C-2R-E77 WN15 inserts from Walter Tools, contact Metav Werkzeuge for ordering and technical consultation at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: P4840C-2R-E77-WN15-WALTER
• Designation: P4840C-2R-E77 WN15
• Product type: Drill/boring indexable insert
• Manufacturer: Walter Tools
• Material specification: Catalogue-dependent
• Chipbreaker: 2R‑E77

Measured values

• SKU: P4840C-2R-E77-WN15-WALTER
• Grade: WN15 (uncoated cemented carbide)
• Series: Walter Schneidstoffsorte - Serie offen
• Application note: Check product matrix for material suitability

Special features

• Uncoated cemented carbide grade WN15
• 2R‑E77 chipbreaker for controlled chip formation
• Intended for drilling and boring operations
• Suitability: verify against product matrix for specific materials
• Format suited to standard indexable insert systems

FAQ

What materials is this insert suitable for?
Material suitability depends on the specific application matrix; the P4840C-2R-E77 WN15 insert is delivered in the uncoated WN15 carbide grade and requires verification against the supplier’s matrix to confirm suitability for a given workpiece material.

How does the 2R‑E77 chipbreaker improve drilling performance?
The 2R‑E77 chipbreaker produces controlled, short chips that reduce clogging risk and interruptions during drilling and boring, resulting in more stable cycles and fewer tool-related stoppages for the P4840C-2R-E77 WN15 cutting insert.

Is the carbide grade coated or uncoated?
The WN15 grade used in this insert is an uncoated cemented carbide, offering consistent wear behaviour appropriate for general cutting tasks when matched with correct cutting parameters.

Can this insert be used for both drilling and reaming operations?
The insert is specified for drilling and boring operations; suitability for reaming should be assessed based on the machining strategy and the product matrix for the WN15 grade.

How should material compatibility be checked before use?
Compatibility should be confirmed by consulting the technical product matrix provided by the manufacturer and by conducting validation cuts under the intended machining conditions for the P4840C-2R-E77 WN15 insert.

Hersteller: Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen, Germany

The Walter AG (brand Walter Tools) is part of a global group. Protected trademarks and trade names remain the property of their respective owners and are mentioned solely for clarification. There is no affiliation between our company and the mentioned brands. The offered article is an original, factory-new product of the manufacturer.