VBMT160404-MK4 WKK10S WKK10S Wendeplatten - Walter Tools

Benefit from the combination of durable Tiger‑tec Silver coating, precise Rhombus 35° geometry and reliable MK4 chip control for consistent turning of cast iron components; order the insert directly via Metav Werkzeuge or consult our specialists for application support.

VBMT160404-MK4 WKK10S – Indexable turning insert, Tiger‑tec Silver, for cast iron (Walter Tools)

The VBMT160404-MK4 WKK10S is a rhombic 35° indexable insert engineered for productive turning of cast iron components in industrial machining environments.

• Tiger‑tec Silver coated WKK10S grade
• MK4 chipbreaker for controlled chip flow
• Rhombus 35° geometry with 5° clearance
• 0.4 corner radius for repeatable finishes

Consistent wear resistance for abrasive cast iron work

The coated carbide grade WKK10S, utilising Tiger‑tec Silver technology, is specifically tuned to the abrasive wear behaviour of cast iron (designation K). This yields a measurable extension of tool life under typical grey and nodular cast iron conditions while maintaining cutting-edge stability. Selecting a grade adapted to the material reduces the frequency of insert changes and supports steady production output. The balance between coating hardness and substrate toughness is designed to prevent premature edge failure and to control flank wear, resulting in fewer interruptions to machining cycles.

Geometry and chip control that reduce rework and tool downtime

The Rhombus 35° profile combined with the MK4 chipbreaker delivers short, detached chips common for cast iron, improving safety and evacuation at the tool tip. The modest 5° clearance limits flank contact and heat generation, while the 0.4 corner radius helps protect the cutting edge under interrupted cuts and at entry points. Explaining the chipbreaker: it shapes the flow of material into predictable fragments, avoiding long stringy chips that can damage parts or fixtures. These geometric choices lead to more consistent surface quality and reduced need for secondary finishing.

Practical benefits for production and process security

Designed as a production-grade indexable solution, this insert supports repeatable results in series turning and finishing operations. The combination of the coated grade and chip management lowers the total cost of ownership by sustaining cutting performance across longer tool life cycles. For workshops aiming to boost throughput and maintain surface integrity on cast parts, the insert offers a pragmatic compromise between robustness and precision. As a Walter Tools product, the component aligns with recognised standards of machining reliability and fits seamlessly into established tooling systems that accept VBMT‑style inserts.

For material-specific cutting data or to specify Walter Tools Tiger‑tec Silver inserts for a particular casting grade, contact Metav Werkzeuge for tailored application advice at +49 2822 7131930 or info@metav-werkzeuge.com

Technical Data

• SKU: VBMT160404-MK4-WKK10S-WALTER
• ISO designation: VBMT160404-MK4 WKK10S
• Product type: Indexable turning insert (Drehwendeschneidplatte)
• Manufacturer: Walter Tools
• Series / grade: Tiger‑tec Silver, WKK10S
• Execution: T

Facts

• Free angle: 5°
• Corner radius: 0.4
• Plate size: 16
• Plate thickness code: 04
• Tolerance class: M
• Chipbreaker: MK4

Special features

• Coating: Tiger‑tec Silver
• Suitable for: Cast iron (K)
• Plate form: Rhombus 35°
• Sort description: WKK10S (coated carbide)
• Article designation without grade: VBMT160404-MK4
• Cast iron application: true

FAQ

Is this insert suitable for all cast iron types? The VBMT160404-MK4 WKK10S is formulated for a wide range of cast iron applications; its WKK10S grade and Tiger‑tec Silver coating are optimised for abrasive wear patterns typical of grey and nodular cast irons.

What role does the MK4 chipbreaker play in machining? The MK4 chipbreaker controls chip form by shaping and breaking chips into short segments, which improves evacuation and reduces the risk of chip entanglement during turning operations on cast iron.

Can the insert be used for finishing passes? Yes, the combination of Rhombus 35° geometry and the 0.4 corner radius makes the insert suitable for finishing and medium turning where a repeatable surface finish and edge integrity are required.

How does the Tiger‑tec Silver coating affect tool life? The Tiger‑tec Silver coating increases resistance to abrasive wear and thermal softening, thereby extending the effective life of the insert under the intermittent, high‑abrasion conditions encountered when machining cast iron.

Which toolholders are compatible with this ISO designation? Holders designed for VBMT‑style inserts will accept this designation; the ISO code VBMT160404‑MK4 indicates compatibility with standard toolholder clamping systems for rhombic 35° inserts.

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

Trademark and product names are the property of their respective owners. Brand names and protected trademarks are mentioned for explanatory purposes only; there is no association between our company and the named brands. The offered article is original, brand‑new goods supplied by the manufacturer. Walter AG (marketed as Walter Tools) is among the world’s leading manufacturers of precision cutting tools for metalworking and forms part of the Sandvik group.