DCGW070208TM-2 WBH20 WBH20 Wendeplatten - Walter Tools

Take advantage of the CBN cutting material and the rhombic geometry to secure high wear resistance and consistent edge life for hard turning operations; order the insert directly via Metav Werkzeuge or consult their advisors for application-specific recommendations.

DCGW070208TM-2 WBH20 indexable turning insert — Walter Tools — CBN grade for hard turning, rhombic 55°, 7° clearance

DCGW070208TM-2 WBH20 is an indexable turning insert designed for hard machining tasks; its CBN-based grade provides the abrasion resistance required for hardened steels while the rhombic geometry supports versatile cutting strategies

• CBN grade WBH20 for hard turning
• Rhombic 55° geometry for versatile cutting
• 7° clearance angle for stable cutting
• 0.8 mm corner radius for predictable edges

High wear resistance engineered for hard machining

The insert’s CBN composition and WBH20 grade deliver significantly improved abrasion resistance for hard turning of hardened steels. Designed for operations where elevated cutting forces and heat stress are present, this cutting material maintains a consistent edge over extended tool life, reducing the frequency of index changes and supporting predictable production cycles. The combination of material and geometry is particularly effective for components specified within the ISO group for hardened steels.

Geometry that stabilises cutting and chip control

The rhombic 55° outline paired with a 7° clearance ensures a reliable cutting angle that balances edge strength and accessibility in tight radii. The 0.8 mm corner radius contributes to a robust cutting edge that resists chipping during interrupted cuts. Together with the designated chipbreaker type, the geometry enables repeatable chip formation and stable cutting forces, which translates into fewer process interruptions and improved surface quality on hard workpieces.

Process security and predictable productivity

Belonging to the Walter CBN / Hartstoff series, this insert emphasises process security for demanding applications. The CBN composition is optimised for wear resistance in hard materials, supporting steady results across batches and lowering unexpected tool-wear variability. By using this grade, shops achieve a longer effective cutting life under comparable conditions, which contributes to reduced machine downtime and better overall throughput in hard-machining cells.

Selection and integration guidance for production use

As an indexable turning insert with the DCGW geometry, the component is intended for holders accommodating rhombic 55° inserts and follows common industrial designation practices. Its format and codes (size and thickness) permit straightforward identification during tool planning, while the specification of the CBN grade helps to map the insert to the correct workpiece material class. For precise setup parameters and to ensure optimal performance in a given machine or holder, technical consultation is recommended.

Contact Metav Werkzeuge for tailored selection and procurement of the Walter Tools DCGW070208TM-2 WBH20 CBN turning insert — email info@metav-werkzeuge.com or call +49 2822 7131930 for application-specific advice and availability

Technical data

• Article number / SKU: DCGW070208TM-2-WBH20-WALTER
• Product type: Indexable turning insert
• Designation: DCGW070208TM-2 WBH20
• Manufacturer: Walter Tools
• Series: Walter CBN / Hartstoff
• Grade: WBH20

Core specifications

• Clearance angle: 7°
• Corner radius: 0.8 mm
• Plate form: Rhombus 55°
• Size code: 07
• Thickness code: 02
• Chipbreaker: 2
• Tolerance class: G

Features & applications

• Suitable for hardened steels (H)
• Suitable for pre-hardened steel applications
• CBN cutting material for high abrasion resistance
• Designed for hard machining / hard turning
• Execution: W

FAQ

What workpiece materials is this insert suitable for?
The DCGW070208TM-2 WBH20 is specified for hardened steels (ISO group H) and is also applicable for pre-hardened steel operations thanks to its CBN-based WBH20 grade.

What advantages does the WBH20 CBN grade offer?
WBH20 provides high abrasion resistance and a consistent edge under the thermal and mechanical loads typical of hard turning, which helps to maintain dimensional consistency and surface quality.

Which geometry benefits can be expected from the rhombic 55° shape?
The rhombic 55° form offers flexible cutting orientations and, combined with the 7° clearance, supports stable cutting conditions and access to various profile geometries.

How does the insert support chip control?
Chip control is achieved through the designated chipbreaker and the insert geometry; the combination in the DCGW070208TM-2 WBH20 produces predictable chips and stable forces during hard machining.

Is this insert suitable for interrupted cuts and tough surfaces?
Yes; the 0.8 mm corner radius and the CBN composition of the WBH20 grade are selected to resist chipping and edge degradation in demanding interrupted or high-stress cutting scenarios.

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

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