SCGW09T304TS-4 WBK20 Wendeplatten - Walter Tools

Take advantage of a wear-resistant CBN grade, a robust 90° square geometry and a precise 0.4 mm corner radius to secure longer tool life and reliable hard-turning productivity; order the insert via Metav Werkzeuge or contact our consultants for application advice.

SCGW09T304TS-4 WBK20 indexable turning insert by Walter Tools — CBN grade for hard, wear-intensive machining

The SCGW09T304TS-4 WBK20 is a square indexable turning insert engineered for hard and heavily wear-prone machining tasks, offering a combination of CBN cutting material and a geometry tuned for stable shoulder cuts and predictable edge life.

*CBN grade WBK20 for hard materials
*Square 90° insert geometry
*7° clearance angle for stable cutting
*0.4 mm corner radius for precise edge

High productivity through CBN material and consistent edge life

The use of CBN as the cutting material (WBK20) delivers a decisive advantage when turning hardened steels and other high-wear alloys: significantly improved wear resistance and thermal stability compared with conventional carbide grades. For production environments where insert change intervals and process stability influence cycle time, the CBN composition reduces tool change frequency and maintains cutting performance over longer runs. This leads to lower process variability and helps stabilise surface finish across batches.

Geometry that promotes robustness and surface quality

A 90° square form combined with a 0.4 mm corner radius provides a strong cutting edge that resists chipping in intermittent or heavy cuts, while the modest radius balances cutting force and surface integrity. The listed 7° clearance reduces flank rubbing and helps maintain dimensional accuracy on shoulders and faces. Together, these geometric choices support a reliable finish on critical components and reduce rework rates in finishing operations.

Stable chip control and secure clamping for repeatable results

With chipbreaker 4 and a plate thickness of T3, the insert is designed to manage chips effectively in medium to heavy cutting conditions, assisting coolant flow and evacuation. The combination of chip control and stable thickness supports predictable cutting forces and repeatable tool performance, which is essential in serial production or automated turning centres. Using the correct seat and clamping arrangement further ensures repeatable positioning and consistent tolerance achievement.

Application guidance and compatibility checks

The insert originates from the Walter open series and carries the WBK20 designation; suitability for specific alloys should be verified against the manufacturer product matrix before application. While optimised for hardened steel and comparable wear-prone materials, the exact workpiece mix and machining parameters determine achievable tool life and cycle efficiency. For shops integrating CBN into existing processes, small validation runs and adjustments to cutting speed and feed will typically unlock the best balance between productivity and edge longevity.

Contact Metav Werkzeuge for detailed application support and to discuss Walter Tools CBN turning inserts for hardened-steel machining

Technical Data

• Article number: SCGW09T304TS-4-WBK20-WALTER
• Product name: SCGW09T304TS-4 WBK20
• Product type: Drehwendeschneidplatte
• Manufacturer: Walter Tools

Facts

• Insert form: Square 90°
• Corner radius: 0.4 mm
• Clearance (free) angle: 7°
• Insert size: 09
• Thickness: T3
• Chipbreaker: 4
• Tolerance class: G
• Grade series: Walter Schneidstoffsorte - Serie offen

Special features

• Cutting material: CBN (WBK20)
• Material specification: Katalogabhängig
• Designed for hard, wear-intensive machining tasks
• Optimised for stable edge life and process repeatability
• Sorteneinsatz guidance: check product matrix for workpiece suitability

FAQ

What materials is this insert best suited for?
This insert, the SCGW09T304TS-4 WBK20 from Walter Tools, is formulated as a CBN grade primarily for hardened steels and other highly abrasive alloys; verify exact compatibility in the product matrix.

Can the insert tolerate interrupted cuts?
The 90° square geometry and a 0.4 mm corner radius give the indexable insert robust resistance to chipping, making it suitable for many interrupted and shoulder-cutting applications.

How does the chipbreaker affect performance?
The chipbreaker 4 aids controlled chip formation and evacuation under medium to heavy cutting, supporting stable cutting forces and improving process security when used with appropriate cutting parameters.

Which machine settings should be adjusted for CBN inserts?
When adopting CBN inserts, increase cutting speed and monitor feed and depth to find the optimal balance; consult Metav Werkzeuge for recommended starting parameters tailored to the workpiece material and machine.

Is this insert compatible with common tool holders?
The SCGW09T304TS-4 WBK20 is a standard square indexable format; compatibility with tool holders depends on seat type and clamping system—confirm holder suitability prior to assembly.

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

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