CNMG120412-NMT WS10 G Wendeplatten - Walter Tools

Take advantage of the combination of coated carbide WS10, a Rhombic 80° geometry and the NMT chipbreaker to achieve reliable, repeatable turning results with robust edge stability; order or consult through Metav Werkzeuge for confident integration into production.

CNMG120412-NMT WS10 turning insert by Walter Tools — Rhombic 80°, NMT chipbreaker

The CNMG120412-NMT WS10 is a coated carbide indexable insert designed for versatile turning tasks where edge stability and consistent chip control are required

• Coated carbide grade WS10
• Rhombic 80° geometry
• Negative clearance 0° for robust cutting
• 1.2 mm corner radius for edge strength

Consistent chip control for productive turning

The combination of the NMT chipbreaker with the Rhombic 80° geometry delivers predictable chip formation and evacuation. This geometry concentrates cutting forces in a stable zone, reducing vibration and enabling higher metal removal rates. The NMT chipbreaker is engineered for short, controllable chips that simplify handling and reduce rework. For production environments seeking reproducible results, this insert offers measurable improvements in cycle-time stability and tool life through superior chip management.

Coated carbide WS10 for broad applicability and wear resistance

The WS10 grade is a coated carbide designed as a general-purpose grade for a wide range of materials; the coating enhances wear resistance and supports longer cutting intervals. Coated grades like this one reduce flank wear and maintain a sharper cutting edge under intermittent and continuous cuts. The practical benefit is fewer tool changes and more consistent surface finishes, translating directly into higher machine uptime and lower per-part tooling costs when used within its recommended application matrix.

Geometry and dimensional data that support accurate set-up

With an inscribed circle of 12 mm, a corner radius of 1.2 mm and a thickness suited to standard CNMG toolholders, the insert provides secure clamping and repeatable seating in the pocket. The negative clearance of 0° increases edge strength for interrupted cuts and heavy engagement, making the insert appropriate for roughing operations that require resilience as well as for certain finishing passes when combined with appropriate feeds and speeds. Tolerance class M supports consistent interchangeability between pockets and reduces setup variation.

Application guidance and toolholder compatibility

The insert’s Rhombic 80° profile is compatible with a broad range of CNMG-compatible turning holders; selection of a holder with the correct rake and clearance will influence cutting direction and feed selection. The grade is catalogue-dependent for material recommendations, so testing under representative conditions is advised to determine optimal parameters. When used in suitable toolholders and with correct cutting data, the insert supports stable cutting over extended series runs and contributes to reliable process outcomes.

For machining tasks that demand durable performance from an indexable turning insert, contact Metav Werkzeuge to discuss the Walter Tools CNMG120412-NMT WS10 and obtain tailored advice or purchasing details via info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: CNMG120412-NMT-WS10-WALTER
• SKU: CNMG120412-NMT-WS10-WALTER
• Designation: CNMG120412-NMT WS10

Facts

• Inscribed circle: 12 mm
• Thickness: 4 mm
• Corner radius: 1.2 mm
• Clearance angle: 0° (negative)
• Tolerance class: M

Special features

• Geometry: Rhombic 80°
• Chipbreaker: NMT
• Grade: WS10 (coated carbide)
• Series: Walter Schneidstoffsorte - Serie offen
• Execution: G
• Material specification: Catalogue-dependent

FAQ

Which materials is this insert suitable for?
The CNMG120412-NMT WS10 insert by Walter Tools is a coated carbide grade intended for a broad material range; specific suitability should be checked against the product matrix for the WS10 grade.

What advantage does the NMT chipbreaker provide?
The NMT chipbreaker promotes short, controllable chips and consistent chip flow, improving safety and reducing secondary handling in series turning with the Walter Tools CNMG120412-NMT WS10.

Is this insert suitable for interrupted cuts?
Yes; the 0° negative clearance and the 1.2 mm corner radius increase edge strength, making the insert resilient under interrupted cutting conditions.

How does the Rhombic 80° geometry affect cutting?
The Rhombic 80° profile concentrates cutting forces and helps maintain a stable cutting edge, which supports higher metal removal rates and consistent surface quality when the CNMG120412-NMT WS10 is correctly applied.

What does the tolerance class M imply for interchangeability?
Tolerance class M indicates a standardised dimensional consistency that aids secure seating and repeatable positioning of the insert in compatible toolholders.

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

The Walter AG (brand appearance: Walter Tools) with headquarters in Tübingen is one of the world’s leading manufacturers of precision tools for metalworking. Protected trademarks and product names are the property of their respective owners and are used here for explanatory purposes only. The offered item is an original, factory-new product of the manufacturer.