LDMT14T308R-D57 WKK25G Wendeplatten - Walter Tools

The combination of the Tiger‑tec Gold WKK25G coating and a rectangular geometry with a 15° relief and 0.8 mm corner radius delivers consistent performance when machining abrasive cast iron; this balance of tool life and process reliability supports productive milling operations. Order the insert directly via Metav Werkzeuge or consult our technical team for application-specific advice.

LDMT14T308R-D57 WKK25G — Rectangular milling insert, Tiger‑tec Gold (Walter Tools)

The LDMT14T308R-D57 WKK25G is a rectangular indexable milling insert engineered for productive machining of cast iron components, combining a coated carbide grade with a dedicated D57 chipbreaker for reliable chip control.

• Tiger‑tec Gold coated grade WKK25G
• Optimised for cast iron machining
• 15° relief for stable cutting geometry
• 0.8 mm corner radius for controlled edge strength

Higher throughput with predictable tool life

The Tiger‑tec Gold coating and the WKK25G carbide grade are formulated to resist abrasive wear typical of cast iron, providing a predictable wear curve that helps maintain cycle times and surface quality. This results in fewer unscheduled tool changes and a lower cost per part in serial production. The coating technology also supports a broad range of finishing and semi‑finishing passes while maintaining edge stability under intermittent cutting loads.

Accurate chip control and surface consistency

A rectangular insert form combined with the D57 chipbreaker promotes controlled, short chips when cutting cast iron, reducing the risk of chip entanglement and improving machine uptime. The 15° relief angle reduces rubbing on the flank face, while the 0.8 mm corner radius balances edge strength and surface finish. These geometric choices translate into more consistent component surfaces and fewer rework cycles in downstream operations.

Robust performance across typical milling tasks

Designed as a versatile solution for cast iron, the grade provides a compromise between wear resistance and toughness, enabling both roughing and finishing operations without rapid loss of cutting capability. The insert’s construction supports steady cutting forces and stable run‑out behaviour, which is particularly advantageous when producing components that demand repeatable dimensions and surface integrity under industrial throughput conditions.

Application guidance and integration into production

Suitable for conventional milling setups where cast iron is the primary material, the insert works well in slotting, face milling and light profile operations when paired with appropriate toolholders. For parameter selection, toolpath strategy and holder recommendations tailored to a specific machine or workpiece geometry, Metav Werkzeuge’s consultants can provide targeted support to ensure the insert is applied for maximum efficiency and component quality.

For machining cast iron with Walter Tools' Tiger‑tec Gold inserts, contact Metav Werkzeuge for tailored application support and ordering at info@metav-werkzeuge.com or by telephone on +49 2822 7131930.

Technical data

• Article number: LDMT14T308R-D57-WKK25G-WALTER
• Designation: LDMT14T308R-D57 WKK25G
• Product type: Milling insert (indexable)
• Manufacturer: Walter Tools

Facts

• Insert size: 14 mm
• Thickness: T3
• Relief angle: 15°
• Corner radius: 0.8 mm
• Chipbreaker: D57
• Tolerance class: M
• Version: T

Special features

• Series: Tiger‑tec Gold
• Grade: WKK25G (coated carbide)
• Shape: Rectangular
• Material application: Cast iron
• Coated for abrasive wear resistance

FAQ

What materials is this insert suitable for?
This insert is designed primarily for machining cast iron, using the WKK25G grade and Tiger‑tec Gold coating to handle abrasive workpiece conditions.

What is the purpose of the D57 chipbreaker?
The D57 chipbreaker produces short, controlled chips in cast iron, improving chip evacuation and reducing the risk of re‑cutting or chip jams during milling.

Can this insert be used for finishing passes?
Yes, the combination of the 0.8 mm corner radius and the coated grade allows for semi‑finishing to finishing operations on cast iron components with stable surface results.

What does tolerance class M indicate?
Tolerance class M specifies the dimensional tolerance band for the insert, ensuring predictable fit and repeatability in precision toolholder systems.

Is the LDMT14T308R‑D57 WKK25G coated?
Yes, this insert is supplied in the Tiger‑tec Gold coated carbide grade WKK25G, which is formulated for improved abrasion resistance when machining cast iron.

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

Protected trademarks and trade names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes and do not imply any affiliation between our company and the named brands. The offered item is an original, factory‑new product of the manufacturer (Walter Tools).