TPGN160308 WKK20S WKK20S Wendeplatten - Walter Tools

Take advantage of the combination of targeted wear resistance, stable chip control and a geometry optimised for cast iron machining to reduce tool changes and increase throughput. Order directly via Metav Werkzeuge or consult the team for application-specific advice.

TPGN160308 WKK20S turning insert — triangle 60°, for cast iron — Walter Tools

The TPGN160308 WKK20S is a triangle turning insert designed for productive machining of cast iron components, featuring the Tiger·tec Silver coating and a geometry tuned for short, breaking chips.

• Tiger·tec Silver coating for high wear resistance
• Optimised for cast iron machining
• Triangle 60° shape for stable indexability
• 11° relief angle and 0.8 mm corner radius

Boosted tool life through targeted coating technology

The combination of the Tiger·tec Silver coating and a coated carbide substrate delivers measurable improvement in wear resistance when cutting abrasive cast iron grades. The advanced coating reduces flank and crater wear, which translates into longer edge life and fewer index changes. For production environments processing cast components, this means a steadier cutting process and reduced downtime for tool replacement. The result is an improved cost per produced part while maintaining consistent dimensional accuracy.

Reliable chip control and process stability for cast iron

The triangular 60° insert geometry together with the defined 0.8 mm corner radius and 11° relief angle supports the formation of short, repeatable chips typical of cast iron machining. This geometry provides a stable cutting edge under varying depths of cut and feed rates, improving repeatability and surface quality. Clear description of these parameters helps to set cutting data: a dedicated geometry for brittle, short-chipping materials reduces the risk of uncontrolled chip formation and associated machine interruptions.

Versatile grade for abrasive applications in foundry work

The cutting grade WKK20S is part of Walter’s Tiger·tec Silver range and is tailored to ISO group K (cast iron). Its specification balances resistance to abrasive wear with sufficient toughness to withstand interrupted cuts and the often variable chip conditions encountered in cast iron workpieces. For operations where abrasive graphite and inclusions accelerate edge wear, this grade offers a practical compromise between longevity and reliable performance, supporting longer runs and fewer tool changes.

Format and handling that fit industrial turning systems

The insert is presented in the standard triangle indexable format with a size 16 designation and thickness code 03, allowing straightforward integration into conventional toolholders designed for triangular inserts. The tolerance class G ensures interchangeability and repeatable seating in the pocket. Because the insert is indexable, each component can exploit several cutting edges before disposal, improving overall tooling economy without changing holder setups.

Contact Metav Werkzeuge for application advice on Walter Tools turning inserts — Metav Werkzeuge is ready to assist with cutting data and compatibility details via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: TPGN160308-WKK20S-WALTER
• Designation: TPGN160308 WKK20S
• Manufacturer: Walter Tools
• Series: Tiger·tec Silver
• Application: Cast iron (ISO group K)

Numbers / Core technical data

• Free clearance angle: 11°
• Corner radius: 0.8 mm
• Insert size: 16
• Thickness code: 03
• Plate shape: Triangle 60°
• Tolerance class: G

Designs / Special features

• Coating: Tiger·tec Silver
• Grade: WKK20S (coated carbide)
• Suitable for: Cast iron
• Format: Indexable turning insert
• Execution: N

FAQ

Which materials can be machined with this insert?
The Walter Tools TPGN160308 WKK20S insert is specified for machining cast iron (ISO group K) and is optimised to handle the abrasive nature and short-chipping behaviour of such materials.

What advantages does the Tiger·tec Silver coating provide?
The Tiger·tec Silver coating on the WKK20S grade increases resistance to abrasive wear and stabilises performance, extending edge life and enabling longer uninterrupted production runs when machining cast iron.

How do the geometry and dimensions affect cutting performance?
The triangle 60° shape, 0.8 mm corner radius and 11° relief angle support predictable short-chip formation and provide stable indexability, which helps maintain surface finish and repeatable tool behaviour in foundry applications.

Is the WKK20S grade more suited to roughing or finishing operations?
WKK20S is a universal/tough coated carbide grade designed for abrasive conditions; it is suitable for a range of operations in cast iron, where its balance of wear resistance and toughness supports both stable roughing and consistent finishing when cutting data is adjusted accordingly.

How does the insert format contribute to productivity?
The triangular indexable format with multiple cutting edges and tolerance class G allows quick indexation and reliable seating in compatible holders, reducing changeover time and improving tool utilisation in serial production.

Manufacturer/Responsible: Walter Deutschland GmbH; Derendinger Straße 53; 72072 Tübingen, Germany; www.walter-tools.com

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