CNGA120412TM-2 WBH10C WBH10C Wendeplatten - Walter Tools

Benefit from high wear resistance, excellent chip control and the rhombic 80° geometry for dependable hard-material turning; order the insert directly via Metav Werkzeuge or ask our consultants if needed.

CNGA120412TM-2 WBH10C indexable turning insert — CBN grade for hardened steels, Walter Tools

A robust indexable turning insert CNGA120412TM-2 WBH10C engineered for hard turning and prehardened steel applications, combining a coated CBN grade with a negative rake for stable cutting performance.

• Coated CBN grade WBH10C
• Optimised for hardened steels H
• Rhombic 80° geometry
• 1.2 mm corner radius, negative rake

High reliability for hard-material machining

The coated CBN grade WBH10C provides top-level wear resistance especially in the machining of hardened and prehardened steels. Designed for sustained cutting forces and elevated temperatures, this insert maintains a stable cutting edge and predictable flank wear, which reduces process variation and downtime. As a consequence, cycle times become more consistent and tool-change intervals can be planned with greater confidence, supporting industrial production targets.

Geometry and chip handling for consistent surface quality

The rhombic 80° geometry together with a corner radius of 1.2 mm and a deliberately negative rake (0°) deliver a cutting geometry that improves tool life and surface finish when turning hard materials. The integrated chipbreaker 2 is matched to the grade and geometry to aid chip formation and evacuation under demanding conditions. This combination reduces chatter and contributes to a repeatable surface result, so the toolholder and machining strategy can focus on productivity rather than constant adjustment.

Integration into production and material scope

Built as part of the Walter CBN / Hartstoff series, this insert is intended for applications classified under ISO group H (hardened steels). The coated CBN cutting material is tailored for abrasive, high-hardness tasks and can also be effective—depending on the workpiece alloy—for cast irons or certain superalloys. The insert’s tolerance class G and standard CNGA form support straightforward tool changeover and compatibility with common turning toolholders, helping to preserve process security and reproducibility across repeated runs.

For applications that demand stable performance in hard turning, contact Metav Werkzeuge for application advice and to source the Walter Tools CNGA120412TM-2 WBH10C inserts; eMail info@metav-werkzeuge.com or call +49 2822 7131930

Technical Data

• SKU: CNGA120412TM-2-WBH10C-WALTER
• Article designation: CNGA120412TM-2 WBH10C
• Manufacturer: Walter Tools
• Product type: Indexable turning insert
• Series / grade: Walter CBN / Hartstoff, WBH10C

Facts

• Corner radius: 1.2 mm
• Insert size: 12
• Plate thickness code: 04
• Rake angle: 0° (negative)
• Chipbreaker: 2
• Tolerance class: G

Special features

• Coated CBN cutting material (WBH10C)
• Optimised for hardened steels (ISO group H)
• Suitable for prehardened steel machining
• Rhombic 80° insert form (CNGA)
• Designed for stable chip formation and long tool life

FAQ

What materials is this insert suitable for?
The CNGA120412TM-2 WBH10C insert from Walter Tools is optimised for hardened steels (ISO group H) and is also applicable to prehardened steels depending on the workpiece and machining parameters.

How does the WBH10C grade benefit hard turning applications?
The WBH10C coated CBN grade offers high wear resistance and a stable cutting edge, enabling consistent performance and longer tool life when machining abrasive, hardened materials.

Which insert geometry does CNGA indicate and why does it matter?
CNGA denotes a rhombic 80° insert form; this geometry provides an advantageous cutting approach for turning operations where rigidity and edge strength are required, improving process security on hard materials.

Is the negative rake suitable for all roughing and finishing operations?
The 0° negative rake gives high edge robustness for heavy or interrupted cuts typical in hard turning; machining strategies should be matched to the workpiece and desired surface finish to exploit the geometry correctly.

Walter Tools: The Walter AG (brand: Walter Tools) with headquarters in Tübingen belongs to the world’s leading manufacturers of precision tools for metalworking and forms part of the Swedish Sandvik group. Protected trademarks and product names remain the property of their respective owners. Brand names are used solely for explanation purposes and do not imply any affiliation.