SNMG120412-MK5 WKK10S WKK10S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger·tec Silver wear resistance, a robust MK5 chipbreaker and a square 90° geometry for consistent cast iron turning. Order directly via Metav Werkzeuge or request application advice from our consultants to ensure the right insert selection for reliable cycle times.

SNMG120412-MK5 WKK10S indexable turning insert — Tiger·tec Silver for cast iron by Walter Tools

The SNMG120412-MK5 WKK10S is a square, negative‑rake indexable insert from the Tiger·tec Silver range, optimised for efficient and stable turning of cast iron components.

• Tiger·tec Silver coating for high wear resistance
• Optimised for machining cast iron materials
• Square 90° form with 1.2 mm corner radius
• MK5 chipbreaker for stable chip control

Consistent tool life through advanced coating technology

The coated carbide grade WKK10S, part of the Tiger·tec Silver series, is formulated to resist the abrasive wear typical when machining cast iron. The result is a predictable tool life and fewer unexpected tool changes, supporting continuous production. The combination of a wear‑resistant coating and a substrate matched to intermittent, breaking chips reduces flank and crater wear, which translates into more consistent dimensional stability and reduced rework. This performance is particularly relevant in batch production or where repeatability across shifts is essential.

Robust geometry for stable metal removal and chip control

A square 90° configuration with a corner radius of 1.2 mm provides a strong cutting edge for shoulder turning and general turning operations. The negative rake (0°) creates a reinforced cutting geometry that tolerates higher radial loads and interrupted cuts, increasing process security on tough castings. Together with the MK5 chipbreaker, the insert promotes controlled fragmentation of chips and reliable evacuation, lowering the risk of chip entanglement and tool damage. For operators and process engineers this means fewer machine stoppages and improved cycle consistency.

Practical integration for higher productivity on shopfloor

The insert’s standard SNMG form fits common toolholders and is easy to integrate into existing machining cells. Thanks to its engineered combination of substrate, coating and chipbreaker, the grade supports stable cutting parameters and reproducible surface finish without complex parameter tuning. That practical reliability aids planning for tool inventories and reduces downtime associated with frequent insert changes. As a product from Walter Tools, the insert benefits from established production standards and is suitable for demanding foundry and finishing applications where component integrity matters.

Contact Metav Werkzeuge today for tailored advice on Tiger·tec Silver inserts and application‑specific recommendations — call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical details

• Article number: SNMG120412-MK5-WKK10S-WALTER
• Product type: Indexable turning insert
• Designation: SNMG120412-MK5 WKK10S
• Brand: Walter Tools
• Series: Tiger·tec Silver

Dimensions and measurable data

• Inscribed circle / size: 12
• Thickness code: 04
• Corner radius: 1.2
• Relief / rake: 0° (negative)
• Form: Square 90°

Special features and materials

• Coating: Tiger·tec Silver (coated carbide)
• Grade: WKK10S
• Chipbreaker: MK5
• Application: Cast iron (material group K)
• Execution: G
• Tolerance class: M

FAQ

What materials is this insert designed for?
The SNMG120412-MK5 WKK10S is designed primarily for machining cast iron and performs best where short, breaking chips and abrasive wear are typical.

How does the Tiger·tec Silver coating benefit production?
The Tiger·tec Silver coating increases wear resistance and thermal stability, giving the insert longer life and more predictable results during extended production runs.

Is the insert suitable for interrupted cuts or heavy engagement?
Yes — the negative rake geometry and the square 90° form deliver a robust cutting edge suited to interrupted cuts and higher radial loads.

Which chip behaviour can be expected with the MK5 chipbreaker?
The MK5 chipbreaker promotes controlled chip fragmentation for safer evacuation and reduced risk of chip-related interruptions on cast iron workpieces.

Can the insert be used in standard SNMG toolholders?
The SNMG geometry is compatible with common SNMG holders, allowing straightforward replacement and minimal setup changes.

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

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