LPMT070304R-D51 WKP35S Wendeplatten - Walter Tools

Benefit from the combination of the WKP35S cutting grade and the Tiger‑tec Silver coating to achieve productive, wear‑resistant milling in both steel and cast iron; the rectangular geometry and defined relief enable consistent results and easy indexation. Order the insert directly via Metav Werkzeuge or consult our advisers for application support.

LPMT070304R-D51 WKP35S – Rectangular milling indexable insert, Tiger‑tec Silver coating (Walter Tools)

The LPMT070304R-D51 WKP35S is a rectangular milling insert designed for productive machining of steel and cast iron, combining a coated carbide grade with a dedicated chipbreaker for stable cutting performance

• Coated Tiger‑tec Silver WKP35S grade
• Engineered for steel and cast iron machining
• Rectangular form with 11° relief angle
• 0.4 mm corner radius for reliable geometry

Enhanced productivity through a high‑performance grade

The WKP35S grade from the Tiger‑tec Silver series provides a balanced mix of wear resistance and toughness, which is particularly effective when machining P‑group steels and K‑group cast irons according to ISO 513. Because the insert is a coated carbide design, thermal and abrasive wear are reduced, so tool life is extended and change‑over frequency is lowered. The built‑in chip control of the D51 chipbreaker promotes consistent swarf formation, which helps maintain cutting stability and reduces unplanned stoppages in production.

Consistent surface quality from defined geometry

A controlled relief angle of 11° combined with a 0.4 mm corner radius results in repeatable engagement conditions and predictable surface finish. The rectangular insert form supports accurate seating and simple indexation in compatible cutters, which assists in achieving constant dimensional accuracy across batches. For users less familiar with insert geometry: the relief angle reduces rubbing at the flank, while the corner radius influences the strength of the cutting edge and the apparent finish on the workpiece.

Cost‑effective machining and lower process risk

The coated hardmetal composition and the WKP35S grade focus on stable chip formation and edge retention. This translates into fewer tool changes, reduced downtime and better utilisation of machine time. When comparing alternatives, this insert typically offers a favourable balance between initial tool cost and total cost per component due to its durability under common cutting conditions for steel and cast iron. The tolerance class M ensures consistent manufacturing quality of the insert itself, aiding predictability in serial production.

Practical compatibility and application notes

The insert is supplied in the LPMT070304R‑D51 format with a thickness code of 03 and form code 07, and is optimised for cutters accepting a rectangular geometry. The chipbreaker D51 is suited to a wide range of feeds and depths typical for finishing and medium roughing in P/K materials. In practice, selecting appropriate cutting parameters and coolant strategy will further enhance the insert’s performance; machining data should be adapted to the specific alloy and machine capability. For customers requiring further machining data, Metav Werkzeuge can provide tailored recommendations.

Discuss machining requirements with Metav Werkzeuge to ensure the Walter Tools LPMT070304R-D51 WKP35S is specified for the intended application; Metav Werkzeuge can advise on cutter compatibility and supply options – eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930

Technical data

• Article number: LPMT070304R-D51-WKP35S-WALTER
• Designation: LPMT070304R-D51 WKP35S
• Type: Milling indexable insert
• Brand: Walter Tools

Facts

• Relief angle: 11°
• Corner radius: 0.4 mm
• Form code: 07
• Thickness code: 03
• Tolerance class: M

Special features

• Coating: Tiger‑tec Silver
• Grade: WKP35S
• Substrate: coated carbide
• Chipbreaker: D51
• Insert form: Rectangular
• Material groups: P (steel), K (cast iron)

FAQ

What materials is this insert suitable for?
The LPMT070304R‑D51 WKP35S is intended for steel (ISO group P) and cast iron (ISO group K) machining, leveraging the WKP35S grade and Tiger‑tec Silver coating for stable wear behaviour.

How does the Tiger‑tec Silver coating benefit performance?
The Tiger‑tec Silver coating on the WKP35S grade reduces abrasive and thermal wear, enabling longer tool life and more consistent cutting performance when milling steels and cast irons.

What does the 0.4 mm corner radius affect in machining?
A 0.4 mm corner radius strengthens the cutting edge and contributes to improved surface finish and edge stability, particularly useful in finishing and tight‑tolerance operations.

Is the chipbreaker D51 suitable for roughing?
The D51 chipbreaker is designed for controlled chip formation across a range of depths and feeds; it performs well in finishing and medium roughing tasks in P and K materials when paired with appropriate cutting parameters.

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

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