RNGN120700T01020 WWS20 WWS20 Wendeplatten - Walter Tools

A ceramic cutting grade and a 0° negative rake combine to give temperature-resistant, high-speed cutting with stable chip behaviour; the round 12 mm geometry supports predictable wear and easy indexing. Order the insert directly via Metav Werkzeuge or consult our specialists for application matching.

RNGN120700T01020 WWS20 – round turning and milling indexable insert, ceramic grade, 0° negative rake | Walter Tools

The RNGN120700T01020 WWS20 is a round turning and milling indexable insert intended for high-speed, temperature-resistant machining within the ISO material groups appropriate for ceramic grades.

• Ceramic grade WWS20 for high cutting speeds
• 0° negative rake for stable cutting performance
• Round insert, 12 mm nominal size
• Walter Tools quality and repeatable performance

Maximise throughput with ceramic-grade performance

The WWS20 grade is a specialised ceramic grade developed for high cutting speeds and sustained performance at elevated temperatures. Because ceramic materials retain hardness at heat, the insert enables faster surface generation with reduced thermal wear on the cutting edge, which translates directly into shorter cycle times and improved throughput. For users assessing applicability, the grade’s suitability depends on the target ISO material group; the production matrix should be consulted to match workpiece families. In practice, the combination of thermal resilience and wear resistance helps maintain consistent dimensional results during long runs and aggressive finishing operations.

Achieve consistent edge life and process stability

A 0° negative rake combined with the round geometry of this insert stabilises the cutting forces, reducing chatter and promoting predictable tool life. The design favours steady chip formation and moderate cutting forces, which supports repeatable results in series production. Tolerance class G indicates the manufactured profile is held within precise limits, assisting in predictable clamping and indexing behaviour. For process engineers, this means fewer unplanned tool changes and more reliable cycle planning, particularly where temperature-resistant cutting is required and where consistent surface quality is essential.

Easy integration and predictable shop-floor handling

With a 12 mm nominal size and thickness code 07, the insert offers compact dimensions that suit small- to medium-sized toolholders while keeping indexable-operation logistics straightforward. The round insert form simplifies orientation and makes multiple cutting edges available for indexed renewal, increasing overall cutting-edge utilisation. Material availability is listed as catalogue-dependent; confirm substrate and coating options when specifying the grade. Delivered as a standard indexable part, the component integrates into existing turning and milling tool systems with minimal adaptation, helping to reduce setup time and keep machine availability high.

Contact Metav Werkzeuge today to request the RNGN120700T01020 WWS20 specification sheet or to have an expert review the application details – eMail: info@metav-werkzeuge.com | Tel: +49 2822 7131930

Technical data

• Article number: RNGN120700T01020-WWS20-WALTER
• SKU: RNGN120700T01020-WWS20-WALTER
• Label: Drehwendeschneidplatte / Fräswendeschneidplatte RNGN120700T01020 WWS20 Walter Tools
• Product type: turning and milling indexable insert

Facts

• Nominal size: 12 mm
• Thickness code: 07
• Corner radius: 0
• Rake angle: 0° (negative)
• Tolerance class: G
• Plate form: Round

Special features

• Grade: WWS20 (ceramic grade)
• Series: Walter Schneidstoffsorte - Serie offen
• Material availability: Katalogabhängig
• Suitability: Check product matrix for ISO material group suitability
• Application: turning and milling

FAQ

What materials is this insert designed to machine? The WWS20 ceramic grade is intended for high-speed, temperature-resistant cutting; check the product matrix to determine the exact ISO material groups for which the RNGN120700T01020 WWS20 is suitable.

What does the 0° negative rake mean for cutting performance? A 0° negative rake provides stable cutting forces and reduced tendency for edge deflection, supporting consistent wear and reliable surface results with the RNGN120700T01020 insert.

How does the round geometry influence chip control and indexing? Round geometry improves edge strength and offers multiple usable cutting edges when indexed; this promotes predictable chip behaviour and extended usable life for the insert.

Is special holder equipment required for the RNGN120700T01020 WWS20? Standard turning and milling toolholders that accept round indexable inserts can be used; confirm clamping and seat dimensions against the insert’s nominal size and tolerance class.

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