LDMT170408R-D57 WKP35G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Gold wear resistance, a WKP35G grade optimised for steel and cast iron, and precise D57 chip control for consistent, productive milling — order directly via Metav Werkzeuge or consult our specialists for application advice.

LDMT170408R-D57 WKP35G rectangular milling insert by Walter Tools — 15° clearance, 0.8 mm nose radius

LDMT170408R-D57 WKP35G is a rectangular milling insert designed for high-productivity finishing and roughing in steel and cast iron applications, featuring Tiger·tec Gold coating and a D57 chipbreaker geometry

• Tiger·tec Gold coating for high wear resistance
• WKP35G grade for steel and cast iron machining
• Rectangular insert 17 mm with 0.8 mm nose radius
• 15° clearance angle with D57 chipbreaker geometry

Improved productivity through advanced coating and grade

The combination of the Tiger·tec Gold coating with the WKP35G carbide grade delivers a measurable improvement in wear resistance and edge stability. This insert is engineered to withstand the thermal and abrasive loads typical for ISO P (steel) and ISO K (cast iron) machining, which means longer tool life and fewer interruptions for tool changes. The coated carbide substrate reduces flank wear and maintains cutting-edge integrity under cyclic loads, supporting steadier production rates and consistent part quality. For users transitioning from general-purpose inserts, this specification reduces the need for frequent regrinding or replacement, resulting in lower total operating costs and reduced setup time.

Precise geometry for controlled chips and surface quality

A well-defined chipbreaker and a 0.8 mm nose radius ensure effective chip formation and reliable surface finish in both finishing and semi-finishing passes. The D57 chipbreaker is tuned to produce short, predictable chips when machining steels and cast irons, minimising the risk of chip entanglement and secondary machining. The 15° clearance angle reduces rubbing and temperature build-up at the flank, helping to maintain dimensional accuracy over longer runs. These geometric details translate into fewer rejects and reduced manual rework, particularly on components where surface integrity and tolerances are critical.

Practical benefits: handling, compatibility and process security

With a compact 17 mm rectangular format and a plate thickness of 04, the insert fits a wide range of tooling systems that accept the LDMT geometry and promotes simple, repeatable clamping. The product tolerance class M supports consistent seat fit and repeatability across multiple inserts, which simplifies tool change procedures and reduces downtime. As this is a coated carbide insert, users benefit from a balance of toughness and hardness: the substrate provides fracture resistance, while the multi-layer coating improves resistance to abrasive wear. In process terms, this means reliable performance across variable batch sizes and material batches without extensive parameter tuning.

Efficient material coverage and application notes

The insert is specified for machining both steels (ISO P) and cast irons (ISO K), reflecting the WKP35G sort’s design focus on handling typical heat development and chip forms for these materials. In practice, that means good performance in through-feed milling, face milling and shoulder operations where mixed batches of steel and cast iron parts are common. For machinists less familiar with ISO group designations: P indicates steels, including unalloyed and alloyed grades; K denotes cast irons, which typically generate more abrasive, brittle chips. Selecting cutting parameters in line with the workpiece material and the machine’s rigidity will deliver the best balance between tool life and productivity.

Contact Metav Werkzeuge for tailored recommendations on using the Walter Tools LDMT170408R-D57 WKP35G in specific machines or components — Metav Werkzeuge can advise on cutting data and holder compatibility; email info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: LDMT170408R-D57-WKP35G-WALTER
• Manufacturer: Walter Tools
• Product type: Milling insert
• Grade: WKP35G
• Series: Tiger·tec Gold
• Geometry: LDMT170408R-D57

Facts

• Nose radius: 0.8 mm
• Clearance (free) angle: 15°
• Insert size: 17 mm
• Plate thickness: 04
• Tolerance class: M

Special features

• Coating: Tiger·tec Gold (coated carbide)
• Applicable material groups: P (steel), K (cast iron)
• Chipbreaker: D57
• Plate form: Rectangular
• Execution: T

FAQ

What materials is this insert designed to machine?
The LDMT170408R-D57 WKP35G milling insert by Walter Tools is designed primarily for ISO P (steel) and ISO K (cast iron) applications, with the WKP35G grade optimised for those material groups.

How does the Tiger·tec Gold coating benefit production?
The Tiger·tec Gold coating on this Walter Tools insert improves wear resistance and edge stability, extending tool life and supporting consistent part quality over longer production runs.

Which chip type can be expected with the D57 chipbreaker?
The D57 chipbreaker promotes short, controlled chips in both steels and cast irons, reducing the chance of chip tangling and simplifying chip evacuation.

Is the insert compatible with standard LDMT toolholders?
The LDMT170408R-D57 geometry follows common LDMT dimensions; compatibility depends on the specific toolholder model, but the rectangular 17 mm format is widely supported across standard holders.

What practical advantage does the 0.8 mm nose radius provide?
A 0.8 mm nose radius gives a balance between surface finish and strength at the cutting edge, improving surface integrity while maintaining sufficient edge robustness for semi-finishing operations.

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

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