ROMX250700-G77 WSP45G Wendeplatten - Walter Tools

Take advantage of the combination of a Tiger·tec Gold PVD grade, a G77 chipbreaker and material versatility for a productive milling process; the result is stable chip formation, reliable edge life and reduced tool changes. Order the ROMX250700-G77 WSP45G directly via Metav Werkzeuge or contact our consultants for application-specific cutting data.

ROMX250700-G77 WSP45G — Round milling insert, Tiger·tec Gold, Walter Tools

The ROMX250700-G77 WSP45G is a round milling insert engineered for versatile milling of steels, stainless steels and heat-resistant superalloys, optimised for stable chip formation and long edge life.

• Tiger·tec Gold PVD coating
• Suitable for steel, stainless and superalloys
• G77 chipbreaker for stable chip control
• Round 25 mm insert, thickness 07

Engineered for consistent productivity with coated carbide technology

The round insert combines a coated carbide grade and the Tiger·tec Gold treatment to deliver consistent performance in milling operations. The PVD-based coating improves wear resistance and supports a stable cutting edge under the typical heat load encountered when machining steel or tougher alloys. This translates into longer intervals between indexing or replacement, which helps maintain uptime and reduces cumulative tooling costs in production environments.

Chip control that stabilises machining and reduces rework

A dedicated chipbreaker geometry labelled G77 ensures predictable chip formation and evacuation during milling. Controlled chips reduce the risk of recutting, improve surface finish and decrease machine stoppages caused by chip-related issues. The insert’s geometry supports a smooth flow of swarf in both roughing and finishing passes, helping to keep cycle times steady and enhancing process reliability on mixed production runs.

Versatility across materials to simplify tooling inventories

Designed for the ISO groups P, M and S, the grade is suitable for unalloyed and alloyed steel, stainless steel and heat-resistant superalloys or titanium. Using a single insert grade across these materials simplifies tooling decisions, lowers the number of different inserts kept in stock and enables faster reaction to mixed work orders. The result is a leaner inventory and fewer changeovers without compromising machining stability.

Precision design and clear tolerance for predictable results

The round format and specified tolerance class provide repeatable seating and clamping accuracy in indexable milling systems, while the zero corner radius suits applications where a true radius-free profile is required. The insert’s dimensional stability and repeatable edge condition support consistent part quality, especially in settings where surface integrity and dimensional conformity are critical for downstream assembly or heat-treatment steps.

For tailored advice on integrating the Walter Tools ROMX250700-G77 WSP45G into an existing toolset, or for material-specific cutting recommendations, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• Article number: ROMX250700-G77-WSP45G-WALTER
• Name: ROMX250700-G77 WSP45G
• Manufacturer: Walter Tools
• Product type: Milling indexable insert

Facts

• Diameter: 25 mm
• Thickness: 7.0 mm
• Corner radius: 0°
• Tolerance class: M

Special features

• Coating: Tiger·tec Gold PVD
• Grade: WSP45G (coated carbide)
• Chipbreaker: G77
• Shape: Round
• Material application: P / M / S

FAQ

What materials can this insert machine effectively?
The ROMX250700-G77 WSP45G is designed for ISO groups P, M and S, meaning it is suitable for machining steel, stainless steel and heat-resistant superalloys including titanium.

How does the Tiger·tec Gold coating benefit production?
The Tiger·tec Gold PVD coating on this Walter Tools insert improves wear resistance and thermal stability, which helps extend edge life and maintain machining consistency.

Is the G77 chipbreaker suitable for finishing as well as roughing?
Yes, the G77 chipbreaker provides stable chip control across a range of depths of cut, supporting both roughing and finishing strategies when using the ROMX250700-G77 WSP45G insert.

Which insert geometry ensures repeatable seating in the cutter?
The round shape combined with the specified tolerance class M offers predictable seating and clamping accuracy, aiding repeatable part quality.

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

The Walter AG (brand: Walter Tools) is one of the world’s leading manufacturers of precision tools for metalworking and forms part of the Sandvik Group. Protected trademarks and trade names remain the property of their respective owners. Brand names are used for descriptive purposes only; there is no affiliation implied between our company and the named brands. The offered item is an original, factory-new product of the manufacturer.