P4840C-2R-E77 WNN15 Wendeplatten - Walter Tools

Benefit from the combination of the WNN15 coated carbide grade and the 2R‑E77 chipbreaker for reliable chip control and longer tool life; order the inserts directly via Metav Werkzeuge or consult our technical team for application advice.

P4840C-2R-E77 WNN15 indexable insert for drilling and boring – Walter Tools

The P4840C-2R-E77 WNN15 is an indexable insert engineered for drilling and boring operations, providing controlled chip formation and suited to applications defined in the product matrix

• Coated carbide grade WNN15
• Chipbreaker 2R‑E77 for chip control
• Designed for drilling and boring operations
• Walter Tools quality and consistency

Consistent chip control for uninterrupted production

The insert features the 2R‑E77 chipbreaker, a geometry developed to promote predictable chip control during drilling and bore enlargement. This design reduces the risk of chip packing and cutting interruptions so that cycle times remain stable. Built on a coated carbide substrate, the grade delivers a balance between wear resistance and fracture toughness; as a consequence, machining is more reliable and downtimes are reduced. For correct material matching, the product matrix should be consulted to confirm the most economical and technically suitable cutting data.

Higher productivity through proven coating and grade performance

With the WNN15 coating and substrate combination, the insert aims to extend tool life and improve surface integrity on machined bores. The coating assists in thermal protection and wear resistance, which in turn sustains cutting conditions over longer runs. When used with appropriate feed and speed settings, the result is a consistent surface finish and fewer tool changes per shift. Process planners will appreciate the predictable performance that supports higher throughput and lower unit costs, with the insert geometry enabling secure seating and repeatable indexing.

Easy integration and clear application guidance

The indexable design simplifies handling and replacement within standard drilling tool holders; the insert is compatible with systems specified for this geometry and size. While the insert is engineered for general drilling and boring duties, suitability for particular workpiece materials must be verified against the technical data matrix included with the product. Technical specification and clamping guidance are provided to ensure process reliability and repeatable results, and the component is intended for integration into productive machining cells where predictable chip formation and tool life are priorities.

For tailored application advice or to obtain genuine Walter Tools inserts, contact Metav Werkzeuge for detailed recommendations and rapid availability via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number / SKU: P4840C-2R-E77-WNN15-WALTER
• Label: Bohr-/Aufbohrwendeschneidplatte P4840C-2R-E77 WNN15 Walter Tools
• Product type: Indexable insert for drilling and boring

Facts

• Grade designation: WNN15
• Chipbreaker: 2R‑E77
• Series: Walter Schneidstoffsorte - Serie offen

Special features

• Coated carbide grade WNN15
• Chip control geometry
• Designed for drilling and boring operations
• Material information: Katalogabhängig

FAQ

Which materials is this insert suitable for? The insert's WNN15 coated carbide grade is designed for a broad range of applications; specific workpiece suitability must be checked in the product matrix for the P4840C-2R-E77 WNN15 insert.

What is the purpose of the 2R‑E77 chipbreaker? The 2R‑E77 chipbreaker promotes predictable chip formation during drilling and boring, reducing the likelihood of chip entanglement and supporting continuous machining.

Can this insert be used for both drilling and bore enlargement? Yes, the geometry and designation indicate suitability for drilling and boring operations when mounted in compatible holders and used with recommended cutting data.

How does the coating affect tool life and performance? The coated carbide composition of WNN15 improves wear resistance and thermal stability, which helps maintain cutting performance and extend tool life under appropriate machining conditions.

How is the insert designated for ordering and identification? The full designation appears as P4840C‑2R‑E77 WNN15 (SKU P4840C-2R-E77-WNN15-WALTER) to ensure correct selection of grade, chipbreaker and series.

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 designations are mentioned for explanatory purposes only. There is no connection between our company and the mentioned brands. The offered item is an original, brand-new product from the manufacturer Walter Tools.