SNMG120412-RP7 WPP20G G Wendeplatten - Walter Tools

Take advantage of the combination of proven wear resistance, optimised chip control and robust negative geometry to maintain steady production when machining steel; order directly via Metav Werkzeuge or consult our specialists for process-matching recommendations.

SNMG120412-RP7 WPP20G turning insert, Tiger·tec Gold, Walter Tools

The SNMG120412-RP7 WPP20G is a square 90° indexable turning insert designed for high-productivity steel turning, combining Tiger·tec Gold coating with an RP7 chipbreaker for consistent chip control.

• Tiger·tec Gold coated carbide grade WPP20G
• RP7 chipbreaker optimised for steel machining
• Square 90° insert with 1.2 mm corner radius
• Negative 0° geometry for stable heavy cuts

High-performance grade for reliable steel turning

The SNMG120412-RP7 WPP20G insert uses Walter Tools’ Tiger·tec Gold coating technology and a coated cemented carbide substrate to extend tool life under typical steel turning conditions. The WPP20G grade is balanced for universal performance in the ISO P group, offering improved wear resistance while maintaining toughness for interrupted cuts. This combination reduces index change frequency and supports predictable tool-life planning, which is particularly relevant for batch production and serial turning where throughput and repeatability are priorities.

Consistent chip control that improves cycle times

The RP7 chipbreaker is engineered to produce short, controllable chips when machining steels, enhancing swarf evacuation and reducing risks of workpiece damage or tool re-cutting. Consistent chip form leads to fewer process interruptions and a more stable cutting force profile. In practical terms, the chipbreaker design helps maintain surface quality and can permit slightly higher cutting depths or feeds without compromising shop-floor safety, thereby contributing to measurable productivity gains.

Geometry tailored for demanding operations

A square 90° insert form with a 1.2 mm corner radius and negative 0° rake angle delivers robustness at the cutting edge for heavy or interrupted cuts. Negative geometry increases edge strength and helps resist chipping under variable loads, which is advantageous when turning medium to heavy sections of steel. The 90° shape provides flexibility for shoulder and profile operations, while the specified corner radius balances edge strength and achievable surface finish for common turning tasks.

Practical selection and application guidance

This grade and geometry are aimed primarily at steel machining under ISO P conditions; the WPP20G grade covers a spectrum from wear-resistant to universal performance and can be selected for standard to demanding turning operations. For process setup, match feeds and speeds to material condition and machine rigidity; the RP7 chipbreaker performs best when cutting parameters promote consistent chip formation. When in doubt about parameter windows or insert clamping, Metav Werkzeuge can supply detailed recommendations and compatible holder options to integrate the insert efficiently into existing turning operations.

For robust, high-productivity steel turning with Walter Tools’ Tiger·tec Gold technology, contact Metav Werkzeuge for tailored machining advice and rapid supply at info@metav-werkzeuge.com or call +49 2822 7131930.

Technical data

• Article number: SNMG120412-RP7-WPP20G-WALTER
• Designation: SNMG120412-RP7 WPP20G
• Product type: Turning indexable insert
• Series: Tiger·tec Gold
• Grade: WPP20G
• Manufacturer: Walter Tools

Core data

• Insert form: Square 90°
• Inscribed circle / size: 12
• Corner radius: 1.2 mm
• Thickness: 04
• Free angle: 0° (negative)
• Tolerance class: M

Special features

• Coated cemented carbide grade WPP20G
• RP7 chipbreaker for controlled chips
• Suited for ISO P (steel) applications
• Stable edge geometry for interrupted cuts
• Designed for process reliability and productivity

FAQ

What materials is this insert suitable for?
The SNMG120412-RP7 WPP20G insert and its WPP20G grade are specified for the ISO P group, i.e. machining steel such as unalloyed and alloyed steels.

How does the RP7 chipbreaker affect machining?
The RP7 chipbreaker produces short, controllable chips when turning steel, improving swarf control and allowing more stable cutting conditions with fewer interruptions.

What does the negative 0° geometry mean in practice?
Negative 0° geometry indicates a robust cutting edge that resists chipping under heavy loads or disrupted cuts, favouring durability over the lowest possible cutting forces.

Can this insert be used for finishing operations?
With a 1.2 mm corner radius and the Tiger·tec Gold coating, the insert balances edge strength and surface finish; it can be used for medium-finish operations but may not match very small-radius finishing inserts for ultra-fine surface requirements.

Is the insert compatible with standard SNMG toolholders?
The insert follows the SNMG designation and is compatible with toolholders designed for SNMG inserts, provided the holder supports the 90° square form and the specified thickness.

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

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