TCMT16T304-MM4 WMP20S WMP20S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver coating and the MM4 chipbreaker for reliable machining of stainless steel; the triangular 60° geometry and 0.4 mm corner radius deliver consistent edge stability and predictable chip control. Order the insert directly via Metav Werkzeuge or ask the consultants for application-specific recommendations.

TCMT16T304-MM4 WMP20S — Triangular turning/boring indexable insert for stainless steel by Walter Tools

The TCMT16T304-MM4 WMP20S is a triangular turning and boring indexable insert designed for medium to robust stainless steel machining, optimised for stable chip formation and consistent edge life.

• Tiger·tec Silver coating for stainless steel performance
• MM4 chipbreaker for controlled chip formation
• 7° relief angle, 0.4 mm corner radius
• Triangular 60° insert, 16 mm size, T3 thickness

Stable machining and process security for stainless steel components

The Tiger·tec Silver coating combined with the WMP20S grade provides a balanced response to the challenges of stainless steel: high work-hardening tendency, sticky chips and elevated heat. The coating reduces friction and supports a stable cutting edge, which in turn lowers the risk of built-up edge and unplanned rework. For production environments that demand repeatability, this insert delivers consistent results across medium to robust cutting conditions, improving throughput and reducing downtime.

Controlled chip formation and safer turning cycles

The MM4 chipbreaker is engineered to shape chips reliably during interrupted and continuous turning. By influencing chip curl and breakage, the breaker reduces entanglement and helps maintain a clear cutting zone. This controlled chip behaviour simplifies chip evacuation and minimises the risk to part quality and operator safety, making machining cycles more efficient and predictable.

Geometry that balances strength and surface quality

The triangular 60° form with a 0.4 mm corner radius and 7° relief angle provides a compromise between edge robustness and surface finish. The modest corner radius increases resistance to edge chipping during heavier cuts, while the 60° shape allows three indexed cutting edges per insert, optimising tool utilisation. The insert’s T3 thickness and 16 mm designation ensure compatibility with standard toolholders designed for TCMT geometry, enabling straightforward integration into existing tool systems.

Coated carbide composition for long tool life

The cutting material is a coated carbide grade from the Tiger·tec Silver family, formulated to withstand the thermal and mechanical stresses typical of stainless steel machining. The coating helps to preserve the cutting edge and reduce flank wear, which supports longer intervals between indexings and insert changes. In practice, this means fewer interruptions for tool handling and a more economical production flow when compared to uncoated alternatives.

Practical benefits for workshop and production use

By combining a modern coating technology with a purpose-designed chipbreaker and a robust cutting geometry, this insert supports higher process stability and fewer quality deviations. The result is improved component consistency, reduced scrap rates and easier planning of machining cycles. For operations seeking to increase productivity without sacrificing surface integrity, this insert represents a pragmatic choice.

Contact Metav Werkzeuge for tailored advice on Walter Tools TCMT16T304‑MM4 WMP20S inserts and to discuss optimal insert selection for specific stainless steel applications

Technical data

• SKU: TCMT16T304-MM4-WMP20S-WALTER
• Designation: TCMT16T304-MM4 WMP20S
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver

Core specifications

• Shape: Triangle 60°
• Size: 16
• Thickness: T3
• Relief angle: 7°
• Corner radius: 0.4 mm
• Chipbreaker: MM4

Materials & features

• Grade: WMP20S (coated carbide)
• Application: stainless steel (ISO group M)
• Material code: M
• Tolerance class: M
• Suitable for medium to robust cutting conditions

FAQ

Which materials is this insert suitable for?
The TCMT16T304‑MM4 WMP20S is specifically designed for stainless steel (ISO group M) and performs under medium to robust machining conditions, benefiting from the Tiger·tec Silver coating for improved edge stability.

What advantages does the WMP20S grade provide?
WMP20S is a coated carbide grade within the Tiger·tec Silver family; it combines reduced friction, enhanced heat resistance and reliable edge strength to support consistent performance on stainless steel components.

How does the MM4 chipbreaker affect machining?
The MM4 chipbreaker shapes and breaks chips to reduce entanglement and improve evacuation; this leads to clearer cutting zones, fewer interruptions and more predictable cycle times when turning stainless steel.

Which cutting geometry and features support tool life?
The triangular 60° form with a 0.4 mm corner radius and 7° relief angle provides a robust cutting edge that resists chipping while allowing multiple indexed edges, supporting longer in-process life and lower tooling costs.

Is the insert compatible with standard TCMT toolholders?
The TCMT designation corresponds to standard indexable insert geometries; the TCMT16T304‑MM4 insert is intended for holders accepting TCMT inserts and will integrate into conventional turning and boring tool assemblies.

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

Die Walter AG (Markenauftritt: Walter Tools) mit Hauptsitz in Tübingen gehört zu den weltweit führenden Herstellern von Präzisionswerkzeugen für die Metallbearbeitung und ist Teil des schwedischen Sandvik‑Konzerns. Geschützte Markenzeichen und Warenbezeichnungen liegen im Recht ihrer jeweiligen Eigentümer. Markennamen und geschützte Warenzeichen werden ausschließlich zu Erklärungszwecken genannt. Es besteht keinerlei Verbindung zwischen unserem Unternehmen und den genannten Marken. Es handelt sich bei dem angebotenen Artikel um originale fabrikneue Waren des Herstellers.