75mm E2 Tool Holder For Boring Bars Through-Coolant 8mm, DIN 69880 - TECWERK

Take advantage of the combination of precise coolant routing, standardised mounting and secure clamping for uninterrupted drilling cycles; the unit’s through-drilled design with both internal and external coolant supply and a Form E2 interface ensures consistent performance and reduced setup time. Order the toolholder directly via Metav Werkzeuge or consult the advisers if further specification is required.

Toolholder for drill bars »Form E2, clamping diameter 8 mm, VDI40« – TECWERK

The Toolholder for drill bars »Form E2, clamping diameter 8 mm, VDI40« is a DIN 69880-compliant toolholder designed for secure clamping of drill bars, offering through-drilled coolant routing and a cylindrical shank for stable mounting.

• Through-drilled for internal coolant
• Form E2, VDI40 mounting interface
• No shortening of drill bar required
• Clamping diameter 8 mm (d2)

Precision clamping that keeps cycles running

The holder delivers repeatable clamping with a clamping diameter 8 mm and a robust cylindrical shank, reducing runout and minimising rework. By adhering to DIN 69880 and the VDI40 interface, the design enables straightforward integration into turret systems and machining centres. The combination of standard conformity and tight tolerances translates into fewer tool changes and predictable machining times, which supports productivity targets and lowers per-part labour overheads.

Coolant routing for reliable chip evacuation and tool life

A through-drilled configuration with both internal and external coolant supply maintains a stable cutting environment and improves chip evacuation at the cutting edge. This routing reduces heat concentration and diminishes built-up edge, extending tool life and preserving hole quality. For operations that prioritise surface finish and dimensional stability, the integrated coolant channels provide an operational advantage by sustaining cutting parameters for longer periods without manual intervention.

Straightforward compatibility and reduced setup complexity

Designed for drill-bar applications, the unit fits standard drill bars and avoids the need for shortening, so existing tooling stocks can be used without modification. Key dimensions such as a 75 mm projection length, a 40 mm shank diameter and a compact head profile ensure compatibility with common tool holders while keeping access clear in confined setups. The result is faster set-ups, fewer inventory variants and easier process planning for workshops aiming to simplify tooling logistics.

For TECWERK tooling enquiries or to arrange an exact-match specification, contact Metav Werkzeuge GmbH in Emmerich — technical advice and order processing are available via info@metav-werkzeuge.com or by telephone on +49 2822 7131930

Technical data

• Article number: 2000833678NW
• Product type: Toolholder for drill bars
• Brand: TECWERK
• Standard: DIN 69880

Core dimensions

• Form: E2
• Clamping diameter d2: 8 mm
• Shank diameter d1: 40 mm
• Outer diameter d6: 83 mm
• Diameter d8: 55 mm
• Projection length l6: 75 mm
• Head length l3: 22 mm
• Height h1: 32.5 mm

Design & functions

• Through-drilled: yes
• Coolant supply: internal and external
• Shank type: cylindrical
• Compatible with: drill bars
• Mounting interface: VDI40
• Shortening of drill bar: not required

FAQ

Is the holder compatible with standard drill bars? Yes. The toolholder for drill bars (TECWERK, SKU 2000833678NW) is designed for use with standard drill bars and secures an 8 mm clamping diameter without modification.

Does the toolholder support internal coolant supply? Yes. The holder is through-drilled and provides both internal and external coolant supply for improved cooling and chip evacuation.

Is it necessary to shorten drill bars before use? No. The design specifies that no shortening of the drill bar is required, which preserves existing tooling and reduces set-up time.

Which standards and mounting interfaces are used? The holder conforms to DIN 69880 and uses a Form E2 arrangement with a VDI40 mounting interface for compatibility with common turret and spindle systems.

What are the key dimensions to consider for installation? Important dimensions include clamping diameter 8 mm (d2), shank diameter 40 mm (d1), projection length 75 mm (l6) and outer diameter 83 mm (d6); these values guide machine integration.

Manufacturer / Responsible: NORDWEST Handel AG, Robert-Schuman-Straße 17, 44263 Dortmund