SNMG120412-RP7 WPP30G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold wear resistance, a reliable RP7 chipbreaker, and a compact square 90° geometry to keep turning operations productive and predictable. Order the SNMG120412-RP7 WPP30G indexable insert via Metav Werkzeuge or request advice from our consultants for process optimisation.

SNMG120412-RP7 WPP30G — indexable turning insert, Tiger‑tec Gold grade by Walter Tools

SNMG120412-RP7 WPP30G is a square 90° indexable insert designed for robust turning of steels under ISO P conditions, combining a coated cemented‑carbide grade with a controlled chipformer for consistent performance

• Tiger‑tec Gold coated for extended life
• RP7 chipbreaker for stable chip control
• Square 90° geometry for versatile turning
• Corner radius 1.2 mm for improved edge strength

Longer tool life and consistent cutting performance

The coated cemented‑carbide WPP30G grade, part of the Tiger‑tec Gold series, is formulated for the thermal and mechanical demands of machining steels (ISO P). The combination of a modern multilayer coating and a tough substrate yields stable wear behaviour and a reliable cutting edge, which reduces unscheduled tool changes and supports longer uninterrupted runs. The RP7 chipbreaker is tuned for controlled chip formation in a wide range of feed rates, leading to fewer interruptions caused by poor chip evacuation and an overall improvement in process reliability.

Precise geometry for repeatable surface quality

The insert’s square 90° shape and corner radius of 1.2 mm deliver a balanced mix of edge strength and finish capability. The 0° (negative) rake gives robustness in interrupted cuts and heavy roughing, while the defined radius supports consistent surface finish on turned components. These geometric choices enable shops to maintain reproducible part quality across batches, reducing rework and inspection effort and supporting tighter production tolerances.

Application range and practical machining benefits

Designed primarily for steels, the grade’s wear resistance and chip control offer clear economic advantages: improved tool life translates into lower tooling consumption and reduced downtime. The RP7 chipbreaker helps achieve predictable chip shapes, which simplifies coolant and chip‑conveyor planning on the shop floor. For production environments where efficiency and uptime matter, this insert provides a good balance between productivity and process security, particularly in mixed‑batch turning where material variability may otherwise cause performance swings.

Integration into the tooling system and handling notes

The designation SNMG120412-RP7 denotes a standard insert footprint compatible with commonly used toolholders; the compact plate size (12 mm) and plate thickness (4 mm) make it suitable for stable clamping in conventional turning toolholders. Tolerance class M ensures consistent fit and repeatability when indexing inserts, minimising set‑up variation. For optimised results, pair the insert with holders rated for square SNMG geometry and apply cutting parameters suitable for the chosen steel grade and hardness.

Contact Metav Werkzeuge for tailored recommendations on Walter Tools SNMG120412-RP7 WPP30G inserts and to confirm the best grade and parameters for specific steel applications: info@metav-werkzeuge.com or +49 2822 7131930

Technical Data

• Article number: SNMG120412-RP7-WPP30G-WALTER
• SKU: SNMG120412-RP7-WPP30G-WALTER
• Designation: SNMG120412-RP7 WPP30G
• Product type: Indexable turning insert (Drehwendeschneidplatte)
• Brand: Walter Tools

Facts

• Size: 12 mm
• Thickness: 4 mm
• Corner radius: 1.2 mm
• Relief / rake: 0° (negative)
• Tolerance class: M

Special features

• Grade: WPP30G (Tiger‑tec Gold coated cemented carbide)
• Chipbreaker: RP7
• Plate form: Square 90°
• Base designation: SNMG120412-RP7
• Series: Tiger‑tec Gold
• Execution: G
• Material application: Steel (ISO P)

FAQ

What materials is this insert suitable for?
The SNMG120412-RP7 WPP30G insert is designed for machining steels and is rated for ISO P material groups.

How does the Tiger‑tec Gold coating affect performance?
The Tiger‑tec Gold coating on the WPP30G grade enhances wear resistance and thermal stability, resulting in longer tool life and more consistent cutting behaviour when turning steels.

What is the purpose of the RP7 chipbreaker?
The RP7 chipbreaker promotes controlled chip formation and evacuation, improving process reliability and reducing the risk of chip‑related interruptions in turning operations.

Is the 1.2 mm corner radius suitable for finishing passes?
A 1.2 mm corner radius delivers good edge strength and can produce acceptable surface finishes; for very fine finishes, smaller radii or dedicated finishing grades may be preferred.

Which toolholders are compatible with this insert designation?
The SNMG120412 footprint matches standard toolholders designed for SNMG inserts; use holders compatible with square 90° inserts and ensure correct clamping for repeatable results.

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

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