SNGX1205ENN-F57 WKP25S Wendeplatten - Walter Tools

Take advantage of the combination of Tiger‑tec Silver coating and the WKP25S grade for consistent chip control and extended tool life; the square 90° geometry with a negative 0° rake ensures robust corner strength and reliable shoulder milling. Order the insert directly via Metav Werkzeuge or request advice from the consultants for application‑specific recommendations.

SNGX1205ENN-F57 WKP25S — square 90° indexable milling insert, Tiger‑tec Silver by Walter Tools

The SNGX1205ENN-F57 WKP25S is a square 90° indexable milling insert engineered for productive machining of steel and cast iron, combining a coated‑carbide grade with a dedicated chipbreaker for controlled chip formation.

• Tiger‑tec Silver coating for long tool life
• Suitable for steel and cast iron (P / K)
• Square 90° geometry, negative 0° rake
• F57 chipbreaker for controlled chip formation

High productivity through optimised coating and grade

The combination of the Tiger‑tec Silver series with the WKP25S grade provides a balance between wear resistance and thermal stability, which translates into predictable tool life in series production. The grade is a coated carbide designed specifically for the machining behaviour of steel (group P) and cast iron (group K) according to ISO classifications; this means the chemistry and coating structure support the typical heat generation and abrasive wear encountered in these materials. As a consequence, process windows become wider and machining parameters can be pushed without sacrificing edge security, leading to higher material removal rates and fewer insert changes.

Geometry that delivers repeatable dimensional accuracy

The insert’s square 90° form and negative 0° rake create a robust cutting edge that resists chipping during shoulder milling and heavy cuts. The geometry yields a reliable bearing at the corner, improving stability when plunging or performing stepover passes. In practice, the negative rake orientation reduces the impact on the cutting edge under heavy radial loads, which supports repeatable surface finish and dimensional control across workpieces. For workshops seeking a dependable economy solution, this geometry reduces the frequency of unplanned tool changes and contributes to steadier cycle times.

Controlled chip formation for safer machining cycles

Equipped with the F57 chipbreaker, the insert promotes short, controllable chips for a variety of chip shapes typical when machining steels and irons. Effective chip control lowers the risk of entanglement and reduces manual intervention for chip clearing, which supports uninterrupted operation on automated or semi‑automated machines. The chipbreaker design also helps to direct heat away from the cutting edge, which preserves edge integrity and supports longer edge life—an important factor for predictable tool consumption and lower unit costs per component.

Suitable applications and efficiency gains

This insert suits production and job‑shop environments devoted to shoulder milling, light ramping and trochoidal operations in steel and cast iron components. The combination of grade and chipbreaker supports a wide range of cutting conditions, making the insert a versatile choice for mixed production runs where tool inventory rationalisation is desirable. The result is a pragmatic improvement in process security and an economic benefit through reduced downtime and improved first‑pass yields.

Contact Metav Werkzeuge for a tailored machining recommendation and order support for the Walter Tools SNGX1205ENN-F57 WKP25S insert (Tiger‑tec Silver); email info@metav-werkzeuge.com or call +49 2822 7131930 for consultant guidance

Technical data

• SKU: SNGX1205ENN-F57-WKP25S-WALTER
• Product type: Fräswendeschneidplatte
• Designation: SNGX1205ENN-F57 WKP25S
• Brand: Walter Tools

Facts

• Size: 12 mm
• Thickness code: 05
• Rake angle: 0° (negative)
• Tolerance class: G

Special features

• Series: Tiger‑tec Silver
• Grade: WKP25S (coated carbide)
• Material application: Steel (P), Cast iron (K)
• Chipbreaker: F57
• Insert shape: Square 90°
• Execution: X

FAQ

What workpiece materials is this insert designed for?
The SNGX1205ENN‑F57 WKP25S insert is designed primarily for steel (P) and cast iron (K); the WKP25S grade and Tiger‑tec Silver coating are optimised for the thermal and abrasive conditions typical of those groups.

Which machining tasks suit the square 90° geometry best?
Square 90° inserts such as the SNGX1205ENN‑F57 are ideal for shoulder milling, face milling and operations requiring strong corner support; the negative 0° rake improves edge durability under heavy radial loads.

How does the F57 chipbreaker improve process reliability?
The F57 chipbreaker promotes short, consistent chips, aiding chip evacuation and reducing the risk of long, tangled chips; this improves cycle stability and reduces manual chip management.

Is the WKP25S grade a coated carbide?
Yes, WKP25S is a coated carbide grade within the Tiger‑tec Silver family, offering a balance of wear resistance and toughness for general steel and cast‑iron applications.

Can the insert be used for continuous production runs?
The combination of Tiger‑tec Silver coating and the WKP25S grade is intended to provide process security and consistent tool life, making the insert suitable for continuous or high‑volume production where predictable performance is required.

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

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