SDMT06T204-D57 WKK25G WKK25G Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Gold coating, proven chip control and precise square geometry for efficient cast iron machining; the robust WKK25G grade delivers stable wear behaviour and predictable life. Order the SDMT06T204‑D57 WKK25G milling insert directly via Metav Werkzeuge or ask the consultants if needed.

SDMT06T204‑D57 WKK25G milling insert — Square 90°, Tiger‑tec Gold for cast iron (Walter Tools)

The SDMT06T204‑D57 WKK25G is a square milling insert engineered for productive shoulder and face milling of cast iron components, offering reliable chip control and long tool life for series production

• Tiger‑tec Gold coated cutting grade WKK25G
• Optimised D57 chipbreaker for cast iron
• Square 90° geometry with 0.4 mm corner radius
• Tolerance class M for consistent interchangeability

Consistent performance on abrasive cast iron

The coated carbide grade WKK25G (part of the Tiger‑tec Gold series) is formulated for abrasive cast iron applications; the coating increases resistance to abrasive wear and supports stable cutting edge life. The integrated D57 chipbreaker promotes short, controlled chips typical of brittle cast materials, which reduces the risk of entanglement and improves process security. For production environments this means fewer interruptions, more consistent surface quality and a reduced need for frequent insert changes.

Geometry that ensures accurate shoulder and corner finishes

The square 90° insert form combined with a 0.4 mm corner radius and a 15° clearance angle is designed to produce clean shoulder faces and robust corner reinforcement. The modest corner radius balances edge strength and achievable surface finish; sharper radii improve detail, while larger radii enhance edge stability. The tolerance class M guarantees repeatable seat fit and positioning accuracy in the cutter body, which simplifies tool setup and reduces variation between insert changes.

Integration into stable, high‑throughput tooling systems

With form factor SDMT06T204‑D57 and a standard thickness of T2, this insert fits conventional square‑insert milling cutters used in medium‑ to high‑volume operations. The coated grade and chipbreaker combination aims for reliable life across batch runs, supporting predictable maintenance cycles and planning. Walter Tools’ manufacturing standards contribute to consistent dimensional accuracy and coating quality, which helps maintain stable machining parameters over time.

Practical selection and machining guidance

The insert is optimised for cast iron applications; the WKK25G grade resists abrasive particles and copes well with the short, fracturing chips typical of grey and nodular cast irons. For best results, pair the insert with a rigid cutter body and stable workholding. The D57 chipbreaker is intended for interrupted and continuous cuts producing short chips—this improves evacuation and reduces the need for special chip handling. For cutting parameters tailored to a specific machine, material grade and depth of cut, consult the technical advisors at Metav Werkzeuge.

Contact Metav Werkzeuge today for tailored application advice on Walter Tools Tiger‑tec Gold inserts and to discuss suitable cutter bodies and batch optimisation for the SDMT06T204‑D57 WKK25G

Technical Data

• Article number: SDMT06T204‑D57‑WKK25G‑WALTER
• Description: Milling insert SDMT06T204‑D57 WKK25G (Walter Tools)
• Manufacturer: Walter Tools

Facts

• Insert size: 06
• Corner radius: 0.4 mm
• Clearance angle: 15°
• Plate form: Square 90°
• Plate thickness: T2
• Chipbreaker: D57
• Tolerance class: M
• Grade/series: WKK25G, Tiger‑tec Gold

Special features

• Coating: Tiger‑tec Gold (coated carbide)
• Material application: Cast iron (K)
• Execution: T
• Suitable for shoulder and face milling
• Stable chip control for short chips

FAQ

What materials is this insert intended for?
The SDMT06T204‑D57 WKK25G insert is designed primarily for cast iron; the WKK25G grade and D57 chipbreaker are optimised for abrasive, brittle materials in group K.

How does the D57 chipbreaker affect machining?
The D57 geometry produces short, controlled chips characteristic of cast iron machining, improving chip evacuation and reducing the risk of chip re‑cutting with the Walter Tools insert.

What does tolerance class M mean for tool changeovers?
Tolerance class M indicates consistent dimensional accuracy for the insert seat, enabling reproducible seating and reduced variation during insert replacements in the cutter body.

Is this insert suitable for heavy interrupted cuts?
The square 90° geometry with a 0.4 mm corner radius offers good edge strength for many interrupted cuts; for severe interruptions, adapt cutting parameters and ensure rigid clamping to protect the insert edge.

Which cutter bodies accept the SDMT06T204‑D57 insert?
Standard milling cutters designed for SDMT‑type square inserts and T2 thickness will accept the SDMT06T204‑D57 WKK25G; verify seat compatibility and torque specifications with the cutter manufacturer.

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

Manufacturers' trademarks and trade names are the property of their respective owners. Brand names are mentioned for explanation only; there is no connection between Metav Werkzeuge and the named brands. The offered article is original, brand‑new merchandise from the manufacturer.