CNMG120412-NRT WS10 NRT Wendeplatten - Walter Tools

Take advantage of the combination of robust WS10 coated carbide, reliable NRT chip control and stable rhombic geometry for consistent turning results; order directly via Metav Werkzeuge or consult our specialists for application guidance.

CNMG120412-NRT WS10 indexable turning insert — Walter Tools; 0° negative relief, Rhombic 80°

The CNMG120412-NRT WS10 is an indexable turning insert intended for conventional and light roughing turning operations, combining a Rhombic 80° shape with an NRT chipbreaker and a 1.2 mm corner radius for reliable edge strength and chip formation

• Rhombic 80° geometry for versatile turning
• 1.2 mm corner radius for robust edge strength
• NRT chipbreaker for reliable chip control
• Coated carbide grade WS10 for broad material range

Stable chip control for uninterrupted productivity

The combination of the NRT chipbreaker and the WS10 coated carbide grade provides predictable chip formation and evacuation, which reduces the risk of built-up edge and interruptions in batch production. The chipbreaker geometry is engineered to control chip curl and fragmentation across varying cut depths, meaning fewer cycle pauses for cleanup and less tool-holder wear. This results in improved process reliability and a smoother workflow for both medium- and high-volume turning tasks.

Edge geometry and relief designed for longevity and surface quality

The Rhombic 80° insert form and the 1.2 mm corner radius create a strong cutting edge that tolerates intermittent engagement and provides enhanced resistance to chipping. The 0° negative relief increases edge stability under load and helps maintain a consistent cutting line when facing variable workpiece conditions. Together these features produce a balance between tool life and surface finish: robust performance where durability is required and an acceptable finish where detailed surface quality matters.

Versatile choice with clear selection guidance

The insert belongs to the open Walter cutting grade series and is classified under tolerance class M, offering a widely applicable solution across many turning tasks. The grade is described as coated carbide; users should verify the exact workpiece compatibility in the product matrix before selecting the insert for specific materials. For workshops seeking a pragmatic and broadly usable insert, this option simplifies tool assortment while retaining flexibility for mixed-material production. For specialised alloys or hardened components, consult technical documentation to confirm suitability.

For application advice, availability checks or to request tailored cutting data for Walter Tools CNMG120412-NRT WS10 inserts, please contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 for direct assistance

Technical data

• SKU: CNMG120412-NRT-WS10-WALTER
• Designation: CNMG120412-NRT WS10
• Product type: Indexable turning insert
• Manufacturer: Walter Tools
• Series: Walter Schneidstoffsorte - Serie offen
• Grade: WS10
• Chipbreaker: NRT
• Tolerance class: M

Facts

• Insert size: 12
• Thickness: 04
• Corner radius: 1.2 mm
• Shape: Rhombic 80°
• Relief angle: 0° (negative)

Special features

• Material: Coated carbide (as per series description)
• Chip control: NRT chipbreaker
• Geometry: Rhombic 80° with 1.2 mm corner radius
• Application note: Verify workpiece suitability in product matrix

FAQ

Which materials is this insert suitable for?
The CNMG120412-NRT WS10 insert is a coated carbide grade intended for a broad material range; users should consult the product matrix to confirm suitability for specific steels, alloys or non-ferrous materials.

What benefit does the NRT chipbreaker offer?
The NRT chipbreaker promotes consistent chip fragmentation and reliable evacuation, reducing interruptions and improving process stability with the CNMG120412-NRT WS10 insert.

How does the 0° negative relief affect machining?
A 0° negative relief increases edge robustness and stability under cutting loads, which helps to maintain dimensional accuracy and tool life when using this insert geometry.

What does tolerance class M mean for users?
Tolerance class M indicates the manufacturing tolerance level of the insert; for CNMG120412-NRT WS10 this supports reproducible clamping and consistent seated fit in compatible toolholders.

Can this insert produce a good surface finish?
Yes — the combination of the rhombic form, controlled chip formation and the coated carbide grade is designed to balance tool life and surface quality for general turning operations.

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

Walter AG (brand appearance: Walter Tools) is part of the Sandvik group. Protected trademarks and trade names are the property of their respective owners. Brand names and protected designations are mentioned for explanation only; there is no connection between our company and the mentioned brands. The offered article is an original factory-new product of Walter Tools.