P4160-2R08-E47 WKK20S Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Silver coating and the WKK20S carbide grade for durable, efficient cast iron machining; the precise 2R08‑E47 chipbreaker reduces vibration and secures consistent chip control. Order the insert through Metav Werkzeuge or consult their team for process optimisation.

P4160-2R08-E47 WKK20S Drilling/Reaming Indexable Insert — Tiger·tec Silver for cast iron (Walter Tools)

P4160-2R08-E47 WKK20S is a drilling/reaming indexable insert designed for efficient machining of cast iron components in industrial production.

Tiger·tec Silver coating for wear resistance
WKK20S grade optimised for cast iron
Chipbreaker 2R08‑E47 ensures controlled chips

Faster, more secure cast iron cycles with Tiger·tec Silver

The combination of the Tiger·tec Silver coating and the WKK20S carbide grade is engineered for abrasive cast iron work. The coating reduces flank and crater wear, extending tool life and lowering downtime. For production environments this means fewer insert changes and more consistent batch quality. The wear-resistant surface also supports higher cutting parameters while maintaining process stability, helping to increase overall throughput without sacrificing component integrity.

How the chipbreaker and geometry improve results

The integrated chipbreaker 2R08‑E47 is tailored to the brittle and often short‑breaking chips typical of cast iron. By shaping chip formation and evacuation, this geometry reduces the risk of built-up edge and vibration during drilling and reaming. The result is improved hole quality and repeatability. Explained simply, a chipbreaker creates predictable chip segments so coolant and suction can remove debris effectively, which benefits cycle reliability and reduces rework.

Practical advantages on the shop floor

As an indexable insert, this design permits fast replacement and consistent clamping repeatability, supporting lean production principles. The WKK20S grade is positioned as a universal, tougher option for abrasive materials — it balances durability with edge toughness to withstand interrupted cuts common in cast iron components. This balance leads to measurable improvements in component finish and a reduction in scrap rates, contributing to predictable manufacturing costs and improved lineside efficiency.

Suitable applications and process notes

This insert is primarily intended for machining cast iron in drilling and reaming operations where chip control and wear resistance are decisive. The coated carbide composition and chip geometry make the insert suitable for both continuous and slightly interrupted cuts. When integrating into existing toolholders, ensure correct seat and clamping torque according to the holder manufacturer to maintain repeatable results and extend insert life.

For reliable cast iron machining with Tiger·tec Silver, contact Metav Werkzeuge for application advice and coordinated delivery: call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• Article number: P4160-2R08-E47-WKK20S-WALTER
• Label: Bohr-/Aufbohrwendeschneidplatte P4160-2R08-E47 WKK20S Walter Tools

Numbers / Core technical characteristics

• Chipbreaker designation: 2R08-E47
• Grade designation: WKK20S
• Series: Tiger·tec Silver

Designs / Special features

• Product type: Drilling/reaming indexable insert
• Material suitability: cast iron
• Coating technology: Tiger·tec Silver
• Carbide class: coated carbide
• Manufacturer: Walter Tools

FAQ

What materials is this insert designed for?
The insert is designed primarily for machining cast iron; the WKK20S grade and Tiger·tec Silver coating are matched to the abrasive nature and chip behaviour of cast iron.

How does the 2R08‑E47 chipbreaker help holemaking?
The 2R08‑E47 chipbreaker shapes chips into short, controllable segments, improving evacuation and reducing vibration during drilling and reaming with the P4160‑2R08‑E47 WKK20S insert.

Can the insert handle interrupted cuts?
Yes, the WKK20S grade offers tougher resistance compared with very hard but brittle grades, making it suitable for mild interruptions commonly encountered in cast iron operations.

Is the coating effective at higher cutting speeds?
The Tiger·tec Silver coating improves thermal stability and wear resistance, allowing for elevated cutting parameters while maintaining edge life in many cast iron applications.

How is tool repeatability achieved with this insert?
Repeatability derives from the indexable design and consistent geometry; correct clamping in a compatible holder ensures identical seating, which yields consistent hole quality across multiple indexings.

Manufacturer: Walter Tools; Walter AG, Tübingen, Germany; www.walter-tools.com

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