SPJW1204EDR WKP35S Wendeplatten - Walter Tools

Take advantage of the Tiger·tec Silver coating and the WKP35S grade for a combination of sustained tool life and consistent performance when machining steel and cast iron; order directly via Metav Werkzeuge or consult our experts for application-specific guidance.

SPJW1204EDR WKP35S indexable milling insert — square 90°, 11° clearance (Walter Tools)

SPJW1204EDR WKP35S is an indexable coated carbide insert designed for productive milling in steel and cast iron, offering robust shoulder geometry and a coating engineered for wear resistance in interrupted and continuous cuts

• Tiger·tec Silver coating for reliable wear resistance
• Designed for steel and cast iron machining
• Square 90° geometry for robust shoulder milling
• 11° clearance angle for secure cutting stability

High process reliability through advanced coating and grade

The Tiger·tec Silver coating together with the WKP35S grade provides balanced wear resistance and toughness for typical machining tasks in the metalworking industry. This combination reduces flank and crater wear in many cutting conditions, which leads to longer life cycles and fewer tool changes. The coating is optimised to manage heat and abrasion when turning and milling unalloyed or alloyed steel as well as abrasive cast iron, so production runs remain stable and predictable.

Geometry that prioritises rigidity and dimensional control

The square 90° geometry and the insert’s design ensure strong support against radial cutting forces during shoulder and face milling operations. A 11° clearance angle reduces rubbing on the flank while maintaining a secure cutting edge engagement, which improves surface finish consistency and reduces the risk of built-up edge. For workshops seeking reliable dimensional control, this geometry contributes to fewer rework cycles and steadier component tolerances.

Practical benefits for workshop efficiency

With the SPJW1204EDR form factor and a thickness coded as 04, the insert integrates into standard clamping systems for indexable milling, providing four usable edges per insert thanks to its square form. Reduced downtime and predictable tool-life behaviour yield a favourable cost-per-part metric in batch production. The WKP35S coated carbide grade is intended for a broad range of steel and cast-iron tasks, enabling fewer tool variants on the shelf and faster job changeovers.

Clear application guidance and suitability

The grade is designated for the ISO material groups P (steel) and K (cast iron), reflecting its intended use rather than the insert composition. That means the cutting geometry and coating are tuned for the heat generation and chip formation typical of these material categories. The tolerance class J indicates consistent manufacturing accuracy for reliable seating and repeatable clamping, which supports reproducible machining results across multiple inserts and toolholders.

For tool selection or to specify SPJW1204EDR WKP35S for a particular operation, contact Metav Werkzeuge for tailored advice and ordering: info@metav-werkzeuge.com • +49 2822 7131930

Technical data

• SKU: SPJW1204EDR-WKP35S-WALTER
• Name: SPJW1204EDR WKP35S
• Product type: indexable milling insert
• Series: Tiger·tec Silver

Core specifications

• Insert size: 12
• Thickness: 04
• Clearance angle: 11°
• Shape: square 90°
• Tolerance class: J
• Execution: W

Applications & features

• Grade: WKP35S (coated carbide)
• Material group: P / K
• Suitable for: steel (P), cast iron (K)
• Designation: SPJW1204EDR

FAQ

What materials are best suited for this insert?
The SPJW1204EDR WKP35S insert is specified for ISO groups P and K, so it is best suited to machining steel and cast iron, with the coating and grade tuned to manage the associated heat and chip behaviour.

Does the square geometry offer multiple cutting edges?
Yes, the square 90° form provides four indexable cutting edges; when one edge is worn the insert can be indexed to use the next edge, extending usable life.

What does the WKP35S designation indicate?
WKP35S identifies Walter Tools’ coated carbide grade optimised for a balance of wear resistance and toughness; the designation indicates its recommended application fields and coating family.

How does the 11° clearance angle affect machining?
An 11° clearance angle reduces flank rubbing and supports a cleaner shear plane at the cutting edge, which can improve surface finish and reduce heat transfer to the workpiece in many milling operations.

Is this insert compatible with standard milling cutters?
The SPJW1204EDR geometry is a common indexable configuration and fits cutters designed for this insert profile; confirm clamping dimensions and seat form with the cutter manufacturer before assembly.

Manufacturer/Responsible: AB Sandvik Coromant, Mossvägen 10, 811 34 Sandviken, Sweden, support.coromant@sandvik.com

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