DCMT070204-FM4 WMP30G WMP30G Wendeplatten - Walter Tools

Taking advantage of a coated carbide grade from the Tiger·tec Gold family and a purpose-built FM4 chipbreaker, this insert delivers reliable chip control and extended edge life when machining stainless steels; order via Metav Werkzeuge or consult the specialists for application support.

DCMT070204-FM30G (DCMT070204-FM4 WMP30G) turning insert, Tiger·tec Gold — for stainless steel, Walter Tools

A DCMT070204-FM4 WMP30G indexable turning insert engineered for medium to robust machining of stainless steels, combining a protective Tiger·tec Gold coating with a dedicated chipbreaker for consistent surface quality.

• Tiger·tec Gold coated for thermal stability
• Designed for stainless steel machining
• Rhombic 55° shape for versatile turning
• FM4 chipbreaker for controlled chips

Consistent performance for stainless steel machining

The insert is based on a coated carbide grade from the Tiger·tec Gold series and the WMP30G specification, developed to resist the typical problems encountered with stainless materials such as built-up edge and softening at the cutting edge. This results in a more stable cutting edge and predictable wear behaviour, which in turn reduces unexpected tool changes and supports higher process reliability. The combination of coating technology and substrate composition improves heat resistance and aids in maintaining tolerance and surface quality over longer running times.

Geometry optimised for surface finish and chip control

The rhombic 55° geometry, paired with a 7° clearance and a 0.4 mm corner radius, delivers a balance between entry strength and fine surface finish. The integrated FM4 chipbreaker is specifically tuned to break and evacuate chips when working with tough stainless steels, helping to avoid entangling chips and promoting continuous cutting. These geometric choices reduce the risk of workpiece damage and simplify post-process handling, making the insert suitable for a wide range of turning operations where consistent results are required.

Productivity and process stability as measurable benefits

Using a grade and geometry tuned for the M material group yields tangible productivity advantages: more predictable tool life, fewer interruptions for edge changes and improved first-pass yields. The design reduces the tendency for vibratory wear and supports repeatable setups with standard toolholders. In practical terms, shops can benefit from reduced downtime and lower tooling overheads because the insert maintains cutting performance under medium to robust conditions, contributing directly to throughput and cost-effectiveness in production environments.

Practical application notes and handling recommendations

The insert is designated for the machining of stainless steel (material group M) and performs best when paired with compatible toolholders for rhombic 55° inserts. The small 0.4 mm corner radius provides a compromise between edge strength and surface quality, making it appropriate for finishing to semi-roughing passes depending on the chosen feeds and speeds. For specific cutting parameters and holder compatibility, refer to tooling charts or contact the supplier for tailored recommendations; these measures help to fully exploit the WMP30G grade and its Tiger·tec Gold coating while preventing premature wear.

For reliable machining of stainless steels with Walter Tools Tiger·tec Gold inserts, contact Metav Werkzeuge for availability and application advice.

Technical data

• SKU: DCMT070204-FM4-WMP30G-WALTER
• Article designation: DCMT070204-FM4 WMP30G
• Product type: Turning insert (indexable)
• Manufacturer: Walter Tools
• Series: Tiger·tec Gold

Core specifications

• Clearance angle: 7°
• Corner radius: 0.4 mm
• Shape: Rhombic 55°
• Plate size code: 07
• Thickness code: 02
• Grade / sort: WMP30G
• Tolerance class: M

Design / Special features

• Chipbreaker: FM4
• Coating technology: Tiger·tec Gold
• Material group suitability: M (stainless steel)
• Execution code: T

FAQ

Which materials is this insert best suited for?
The DCMT070204-FM4 WMP30G insert is optimised for stainless steel applications (material group M) thanks to its Tiger·tec Gold grade and FM4 chipbreaker, which promote stable chip formation.

What does the FM4 chipbreaker deliver in practice?
The FM4 chipbreaker on the insert breaks and evacuates chips effectively when turning stainless steels, reducing chip entanglement and supporting consistent surface finish with fewer interruptions.

How does the rhombic 55° geometry affect use?
The rhombic 55° form provides versatility across turning tasks: it offers a balance between cutting-edge accessibility and strength, suitable for a range of turning operations from finishing to semi-roughing.

Is the insert compatible with standard toolholders?
Yes, the insert follows standard indexable turning insert geometry and mounting codes; it is compatible with toolholders designed for DCMT-style inserts, though holder selection should account for required cutting parameters.

What is the significance of the WMP30G designation?
WMP30G denotes the Walter Tools grade within the Tiger·tec Gold family, chosen for its resistance to built-up edge and thermal load when machining stainless steels; it indicates a coated carbide solution optimised for those conditions.

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

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