SDMT1204ZDR-D57 WKP35G Wendeplatten - Walter Tools

Benefit from the combination of Tiger·tec Gold coating and the WKP35G grade for stable cutting and predictable tool life; the square 90° geometry with a 15° relief angle and the D57 chipbreaker ensure controlled chip formation in steel and cast iron. Order or request technical advice via Metav Werkzeuge for fast supply and application support.

SDMT1204ZDR-D57 WKP35G milling insert — Walter Tools (Tiger·tec Gold, square 90°)

The SDMT1204ZDR-D57 WKP35G is a coated carbide milling insert designed for productive machining of steel and cast iron in general milling applications.

• Tiger·tec Gold coating for stable cutting
• WKP35G grade optimised for steel and cast iron
• Square 90° insert with 15° relief angle
• D57 chipbreaker for controlled chip formation

Higher throughput through consistent edge stability

The combination of the Tiger·tec Gold coating and the WKP35G grade delivers a balance of wear resistance and thermal stability that supports longer tool life and fewer indexings. The advanced coating reduces abrasive and adhesive wear, which translates into more consistent cutting-edge geometry over extended production runs. For operations that prioritise cycle-time reliability, this insert reduces unexpected downtime and helps maintain part tolerances with predictable tool-change intervals.

Controlled chip formation for safer, faster milling

The D57 chipbreaker is engineered to produce short, manageable chips when machining ISO group P (steel) and K (cast iron) materials. Controlled chips improve surface finish and reduce the risk of entanglement, contributing to safer unattended machining and faster cycle times. In practical terms, the chip geometry reduces secondary operations for chip disposal and minimises rework caused by poor chip evacuation.

Robust geometry for versatile milling tasks

A square 90° cutting geometry provides four indexed cutting edges per insert and is suitable for a wide range of face and shoulder milling operations. The 15° relief angle aids in reducing cutting forces and helps to avoid rubbing on the workpiece, while the nominal size 12 and thickness 04 format ensure mechanical stability in standard Walter milling cutters. The insert’s tolerance class M supports interchangeability between toolholders and repeatable set-up across tool changes, which is particularly valuable in batch production.

Clear benefits for process security and productivity

Adopting this coated carbide insert reduces machining variability and supports consistent surface quality, which is an economic advantage in medium- to high-volume production. The design focuses on efficient heat management and reliable chip control so that feed and speed can be exploited more aggressively where the machine and clamping allow. For production engineers seeking reproducibility and a wide material capability, the specification of this insert allows straightforward tool selection and less experimental set-up time.

For fast technical advice or to secure supply of the Walter Tools SDMT1204ZDR-D57 WKP35G milling insert, contact Metav Werkzeuge for application consultation and order fulfilment via info@metav-werkzeuge.com or call +49 2822 7131930

Technical data

• SKU: SDMT1204ZDR-D57-WKP35G-WALTER
• Article: SDMT1204ZDR-D57 WKP35G
• Product type: Milling insert
• Series: Tiger·tec Gold
• Grade: WKP35G
• Geometry: Square 90°
• Relief angle: 15°
• Chipbreaker: D57
• Thickness: 04
• Size: 12
• Tolerance class: M
• Designation: T
• Applicable materials: P / K

Numbers / Core technical data

• Relief angle: 15°
• Size: 12
• Thickness: 04
• Tolerance class: M
• Four cutting edges per insert
• Chipbreaker designation: D57

Special features / Versions

• Coating: Tiger·tec Gold (coated carbide)
• Grade suited for steel and cast iron
• Square 90° insert form
• WKP35G: coated cemented carbide grade
• Design optimised for stable chip formation

FAQ

Is this insert suitable for machining steel?
Yes. The SDMT1204ZDR-D57 WKP35G insert from Walter Tools is optimised for ISO group P materials (steel) and offers a coating and grade combination designed to handle the typical heat and chip characteristics of steel machining.

Can the insert be used on cast iron?
Yes. The WKP35G grade and the D57 chipbreaker make the insert suitable for cast iron (ISO group K), providing controlled chip breaking and good wear behaviour on abrasive materials.

What does the Tiger·tec Gold coating provide?
The Tiger·tec Gold coating improves thermal resistance and wear protection, supporting longer tool life and more consistent cutting-edge performance under cyclic production loads.

Why is the square 90° geometry beneficial?
A square 90° geometry supplies four indexable cutting edges per insert, enabling efficient edge rotation and reduced tooling costs per indexed edge while offering versatile use in face and shoulder milling.

What advantage does the D57 chipbreaker offer?
The D57 chipbreaker promotes short, controllable chips during milling of steel and cast iron, improving surface finish, reducing chip-related faults, and enhancing machine uptime.

Manufacturer: Walter Tools; Walter Deutschland GmbH, Derendinger Straße 53, 72072 Tübingen

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