TCMT16T304-MM4 WMP20G WMP20G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold performance, secure chip formation with the MM4 chipbreaker and a compact triangle 60° geometry for reliable machining of stainless steel; order directly via Metav Werkzeuge or consult the team for tailored tool advice.

TCMT16T304‑MM4 WMP20G – Indexable Turning/Boring Insert, Tiger‑tec Gold, Walter Tools

The TCMT16T304‑MM4 WMP20G is an indexable insert for turning and boring, optimised for machining stainless steel under medium to robust conditions.

• TCMT16T304‑MM4 WMP20G, Tiger‑tec Gold
• Optimised for stainless steel (ISO M)
• 7° clearance angle for secure cutting
• 0.4 mm nose radius, triangle 60° form

Consistent edge stability under stainless loads

The Tiger‑tec Gold series combines a coated carbide substrate and engineered microstructure to deliver stable cutting edges when machining stainless steel. The insert’s WMP20G grade is designed to resist the common issues of work hardening and built‑up edge in these materials, which improves process reliability and reduces scrap rates. With a controlled rake and a 7° clearance the geometry helps maintain a predictable contact zone, making the cutting action more consistent across varied stainless grades. This results in fewer tool changes and a steadier production flow.

Predictable chip control and surface quality

Equipped with the MM4 chipbreaker, the insert supports controlled chip formation, which is essential for stainless steel where chips can be stringy and hazardous. The 0.4 mm nose radius balances strength and finish: it supports a robust cutting edge for medium cuts while enabling a good surface result on finishing passes. For process planners and shopfloor engineers, that means fewer interruptions and improved throughput without sacrificing workpiece integrity. The combination of chip geometry and coating technology also contributes to longer effective cutting times before indexation is required.

Mounting compatibility and application notes

The insert follows the TCMT designation and fits toolholders designed for this geometry, offering flexible use in turning and boring tool assemblies. The triangle 60° form provides three cutting edges per index, which supports economical indexation strategies in batch production. As a turning/boring insert manufactured by Walter Tools, the design is suited to both conventional and CNC lathe setups and is particularly recommended where stainless steel is the main workpiece material. Attention to holder rigidity and coolant strategy will further enhance tool life and component quality.

Cost efficiency through reduced downtime

By combining a proven coating system with a carbide grade tuned for stainless conditions, the insert helps to extend intervals between indexations and reduces the need for premature tool replacement. Fewer tool changes and improved process stability offer measurable savings in labour and machine idle time. Integrating these inserts into a cutting programme can lead to quicker cycle stabilisation and a more predictable output — advantages that are especially relevant in small and mid‑volume production runs where uptime is critical.

Contact Metav Werkzeuge for an application consultation for the Walter Tools Tiger‑tec Gold inserts; call +49 2822 7131930 or email info@metav-werkzeuge.com to discuss sample trials and holder recommendations

Technical Data

• SKU: TCMT16T304-MM4-WMP20G-WALTER
• Designation: TCMT16T304‑MM4 WMP20G
• Manufacturer: Walter Tools
• Series: Tiger‑tec Gold
• Grade: WMP20G

Facts

• Clearance angle: 7°
• Nose radius: 0.4 mm
• Insert size: 16 mm
• Thickness: T3
• Form angle: Triangle 60°

Special features

• Chipbreaker: MM4
• Suitable for: stainless steel (ISO M)
• Tolerance class: M
• Coating technology: Tiger‑tec Gold
• Application: Turning and boring indexable insert

FAQ

Is this insert suitable for machining stainless steel? The TCMT16T304‑MM4 WMP20G from Walter Tools is specifically developed for stainless steel (ISO M), providing enhanced edge stability and chip control for these challenging materials.

What does the 0.4 mm nose radius mean for component finish? A 0.4 mm nose radius gives a compromise between edge strength and surface quality; the TCMT16T304‑MM4 offers improved finish on semi‑finishing passes while keeping the edge robust for medium cuts.

How does the MM4 chipbreaker affect machining? The MM4 chipbreaker promotes predictable chip segmentation with the WMP20G grade, reducing the risk of long stringy chips and improving handling and evacuation during turning operations.

Can the insert be used in standard TCMT toolholders? Yes, the insert follows the TCMT designation and is compatible with toolholders designed for this insert form and size; ensure the holder supports triangle 60° inserts and provides adequate rigidity.

Is the Tiger‑tec Gold series suitable for heavy machining? The Tiger‑tec Gold family, including this WMP20G grade, is intended for medium to robust conditions with stainless steel; for very heavy interrupted cuts further grade selection and cutting data adjustments may be required.

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 registered trademarks are mentioned solely for informative purposes. There is no affiliation between our company and the mentioned brands. The offered item is an original, factory‑new product of the manufacturer Walter Tools.