VNGA160404SM-S WCH10C WCH10C Wendeplatten - Walter Tools

Take advantage of the combination of the WCH10C coated-ceramic grade, rhombic 35° geometry and 0° relief for stable, high-speed hard turning; order genuine inserts or consult Metav Werkzeuge for application support.

VNGA160404SM-S WCH10C Turning Insert – Walter Tools (coated ceramic for hard turning)

A VNGA160404SM-S WCH10C indexable turning insert engineered for high-speed machining and robust performance in hardened-steel applications.

• Coated ceramic grade WCH10C for hard turning
• Rhombic 35° geometry for positive engagement
• Negative 0° relief for stable cutting forces
• Optimised chip control with S chipbreaker

Engineered to deliver consistent hard-turning performance

The insert’s core advantage is the WCH10C coated ceramic grade, developed for sustained high-temperature stability and wear resistance when machining hardened steels. Coated ceramic works well at elevated cutting speeds because the ceramic matrix maintains hardness at temperature and the coating reduces abrasive wear; this results in longer tool life and fewer indexings per component, which directly improves cycle times. The rhombic geometry and the chipbreaker combine to produce predictable chip formation, lowering the risk of built-up edge and enabling steadier cutting forces across a range of hard-turning tasks.

Robust cutting edge geometry that enhances process security

A rhombic 35° insert form paired with a 0° (negative) relief gives a strong cutting edge capable of resisting impact and vibration in interrupted cuts or when facing variable workpiece conditions. The negative relief increases edge support and reduces deflection, which helps maintain dimensional stability and surface finish during heavy cuts. The S chipbreaker is optimised to control chip flow and breakage for hardened materials, reducing manual chip handling and contributing to safer, more efficient machining cycles on production lines.

Clear application fit and predictable performance in hardened steels

Designed within the Walter CBN / Hartstoff series and designated for material class H, this insert suits hard turning of quenched and tempered steels where hardness presents a challenge for conventional grades. The coated-ceramic composition is tailored for the thermal and mechanical demands of such applications: it tolerates high cutting speeds while providing reliable flank wear behaviour. For process planning, expect improved throughput when replacing conventional grades with this ceramic option, particularly where short-cycle, high-volume finishing and semi-finishing operations require consistent component quality.

For tooling advice and to source authentic Walter Tools VNGA160404SM-S WCH10C turning inserts, contact Metav Werkzeuge for tailored recommendations and rapid procurement

Technical data

• Article number: VNGA160404SM-S-WCH10C-WALTER
• Label: Drehwendeschneidplatte VNGA160404SM-S WCH10C Walter Tools
• Manufacturer: Walter Tools

Core specifications

• Size: 16
• Thickness code: 04
• Corner radius: 0.4
• Relief angle: 0° (negative)
• Insert form: Rhombus 35°
• Chipbreaker: S
• Tolerance class: G

Materials and features

• Grade: WCH10C (coated ceramic)
• Material class: H (hardened steels)
• Series: Walter CBN / Hartstoff
• ISO designation: VNGA160404SM-S WCH10C
• Execution: A

FAQ

What is the primary application for this insert?
The VNGA160404SM-S WCH10C turning insert is intended for hard turning and finishing of hardened steels, offering high-temperature resistance and wear control suited to H-class materials.

Can this insert be used for interrupted cuts?
Yes, the negative 0° relief and robust geometry give the insert enhanced edge support, making it suitable for interrupted and unstable cutting conditions.

How does the chipbreaker influence machining?
The S chipbreaker is designed to produce short, controllable chips when machining hardened steels, improving chip evacuation and reducing re-cutting or surface damage.

Is the WCH10C grade comparable to CBN solutions?
WCH10C is a coated ceramic grade within the Walter CBN / Hartstoff series; it provides high-speed capability and excellent wear resistance in hard turning, complementing the broader series’ focus on hard-material machining.

Which toolholders are compatible with VNGA160404SM-S inserts?
VNGA-format inserts fit standard VNGA toolholders; ensure the clamping and seat match the VNGA160404SM-S specification to maintain stability and repeatability.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trade names are mentioned for explanatory purposes only. There is no association between our company and the named brands. The offered item is original, brand-new goods from the manufacturer Walter Tools.