TCMW16T308-RK6 WKK20S Wendeplatten - Walter Tools

Take advantage of the combination of high wear resistance, stable chip formation and a compact triangular geometry for reliable cast iron machining; order the insert directly via Metav Werkzeuge or ask our consultants if needed.

TCMW16T308-RK6 WKK20S — Triangle 60° Insert for Cast Iron, Walter Tools

TCMW16T308-RK6 WKK20S is a coated carbide turning and drilling insert designed for productive machining of cast iron components.

• Tiger·tec Silver coated carbide grade
• Optimised for cast iron machining
• Triangle 60° for three indexing edges
• 0.8 mm corner radius for robust cuts

Delivering consistent productivity on cast iron

The combination of the Tiger·tec Silver coating and a coated carbide substrate is engineered to resist abrasive wear common with cast materials. This results in high wear resistance and longer in-service intervals, reducing tool changes and downtime. The insert’s metallurgical design supports stable chip formation, which is particularly relevant when processing grey or nodular cast iron that tends to produce short, brittle chips. In practical terms, shops benefit from steadier cycle times and improved process reliability.

Geometry that boosts cutting efficiency and repeatability

A triangle 60° profile provides three usable cutting edges per insert, enabling economical re-indexing and predictable seating in toolholders. The 0.8 mm corner radius increases edge strength for interrupted cuts and moderate depths of cut, while the RK6 chipbreaker is tailored to promote controlled chip breaking on cast iron workpieces. The 7° relief angle aids in reducing friction at the flank, lowering cutting forces and improving surface finish where required. These geometry choices balance edge life with cutting performance for consistent results.

Integration into workshop workflows and applications

The insert is supplied in T3 thickness and size 16, making it compatible with common toolholder systems for drilling, boring and turning operations that require robust carbide grades. The grade WKK20S from Walter Tools, belonging to the Tiger·tec Silver family, is specifically optimised for cast iron (ISO group K) and supports stable machining across many production scenarios. The insert suits maintenance and production environments that prioritise repeatable indexing, predictable tool life and simplified inventory management.

For genuine Walter Tools inserts such as the TCMW16T308-RK6 WKK20S and technical advice tailored to cast iron machining, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 to discuss requirements and availability.

Technical data

• Article number: TCMW16T308-RK6-WKK20S-WALTER
• Designation: TCMW16T308-RK6 WKK20S
• Product type: Bohr-/Aufbohrwendeschneidplatte / Drehwendeschneidplatte
• Manufacturer: Walter Tools

Facts

• Plate size: 16
• Thickness: T3
• Plate form: Triangle 60°
• Relief angle: 7°
• Corner radius: 0.8 mm
• Tolerance class: M

Special features

• Series: Tiger·tec Silver
• Grade: WKK20S (coated carbide)
• Chipbreaker: RK6
• Execution: W
• Material application: Cast iron (ISO group K)

FAQ

What materials is this insert intended for?
The insert is optimised for cast iron machining; the WKK20S grade within the Tiger·tec Silver range is tuned for abrasive wear and short, breaking chips typical of cast materials.

How many cutting edges does the triangular insert provide?
The triangle 60° geometry supplies three indexing edges per insert, enabling economical rotation and repeatability in seating.

What benefits does the RK6 chipbreaker offer?
The RK6 chipbreaker promotes controlled chip breaking on cast iron, supporting consistent chip evacuation and reduced risk of clogging.

Is the TCMW16T308-RK6 WKK20S suitable for interrupted cuts?
Yes, the 0.8 mm corner radius and robust grade provide increased edge strength suitable for many interrupted cutting conditions common in cast iron workpieces.

Manufacturer: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen, Germany; info@walter-tools.com

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