SPGT1204AEN-K88 WK10 Wendeplatten - Walter Tools

Take advantage of the combination of a square 90° geometry, 11° clearance and the WK10 uncoated carbide grade for reliable shoulder milling and consistent chip formation; order the insert directly via Metav Werkzeuge or contact our consultants for application advice.

SPGT1204AEN-K88 WK10 indexable milling insert — square 90°, 11° clearance (Walter Tools)

The SPGT1204AEN-K88 WK10 is a square indexable milling insert designed for 90° shoulder operations, featuring an 11° clearance angle and a dedicated K88 chipbreaker for controlled material removal.

• SPGT1204AEN WK10 indexable insert
• Square 90° geometry for shoulder milling
• 11° clearance angle for reduced cutting forces
• Uncoated carbide grade for broad materials

Consistent geometry for dependable milling results

The square 90° pitch and the defined 11° clearance deliver a predictable contact geometry that stabilises cutting forces during shoulder and face milling. This configuration reduces radial load peaks and helps maintain a consistent cut depth when machining common workpieces. The measured form stability of the insert supports repeatable results across sequences, so cycle-to-cycle variation is reduced and set-up times can be shorter. Emphasis on geometry translates directly into improved process reliability and fewer rework cycles.

Material and chip control that supports productivity

Built in the WK10 uncoated carbide class and equipped with the K88 chipbreaker, the insert is aimed at broad material engagement where an uncoated grade offers flexibility. Uncoated carbide allows for a straightforward edge presentation and is often preferred where coating chemistry would not add benefit or where coolant and machining strategy vary. The chipbreaker design promotes short, controlled chips for safer evacuation and consistent tool engagement, which supports higher uninterrupted cutting times and better surface integrity on the workpiece.

Practical efficiency and predictable tool performance

The insert’s specification, including the square form and chip control, leads to efficient material removal with minimised operator intervention. Stable chip formation together with the WK10 grade supports productive machining windows and predictable wear progression. This predictability helps planners estimate tool life and optimise insert change intervals, contributing to improved overall equipment effectiveness and lower unforeseen downtimes. Where program parameters require adjustment, the insert responds well to modest increases in feed without sudden degradation of surface finish.

Integration into production and handling guidance

The part is supplied in the SPGT1204AEN-K88 designation with a size code of 12 and thickness code 04, tolerance class G and execution T, which align with common toolholder systems for indexable milling. The square geometry simplifies inventory management by providing four usable edges per insert, while the standard form factor supports rapid index changes and consistent clamping. For best results, verify the match between insert grade and the machine’s power/rigidity, and consult the product matrix where material suitability is specified.

Contact Metav Werkzeuge for tailored application support and to order Walter Tools SPGT1204AEN-K88 WK10 inserts — eMail: info@metav-werkzeuge.com or phone +49 2822 7131930

Technical Data

• SKU: SPGT1204AEN-K88-WK10-WALTER
• Label: Fräswendeschneidplatte SPGT1204AEN-K88 WK10 Walter Tools
• Product type: Fräswendeschneidplatte (milling indexable insert)
• Manufacturer: Walter Tools
• Designation: SPGT1204AEN-K88 WK10

Core specifications

• Geometry: Square 90°
• Clearance angle: 11°
• Size code: 12
• Thickness code: 04
• Tolerance class: G
• Execution: T

Special features

• Grade: WK10 (uncoated carbide)
• Chipbreaker: K88
• Series: Walter Schneidstoffsorte - Serie offen
• Material designation: Katalogabhängig
• ISO designation: SPGT1204AEN-K88 WK10

FAQ

What materials is this insert suitable for?
The SPGT1204AEN-K88 WK10 is an uncoated carbide insert; material suitability should be checked against the product matrix, but the WK10 grade is intended for a broad range of general machining applications.

How does the K88 chipbreaker affect machining?
The K88 chipbreaker promotes controlled, short chips and improves evacuation during shoulder milling, which helps maintain a stable cutting process and surface quality with the SPGT1204AEN-K88 WK10 insert.

Is the insert compatible with standard 90° milling holders?
Yes, the square 90° geometry is designed for conventional 90° shoulder milling holders and allows four usable cutting edges per insert.

What is the recommended way to manage tool life with this grade?
Monitor wear progression under representative cutting conditions; the WK10 uncoated carbide grade gives predictable wear patterns that aid in planning index changes and minimising unexpected downtime.

Can the insert be used for finishing passes?
The SPGT1204AEN-K88 WK10 can be used for finishing with appropriate feeds and speeds, but final surface requirements and machine rigidity should guide the parameter selection.

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

The Walter AG (brand: Walter Tools) is part of the global precision tooling community and is recognised for producing high-quality cutting tools and inserts. Protected trademarks and trade names remain the property of their respective owners and are mentioned here for explanation only. There is no affiliation between our company and the named brands; the offered item is an original, factory-new product of the manufacturer.