100mm Face Clamping Chuck Weldon Shank Ø32mm, DIN 69871 Form AD - TECWERK

Take advantage of a compact, standardised clamping solution that combines a Weldon positive-drive interface and DIN 69871 Form AD taper for reliable repeatability and fast tool changes; the 32 mm clamping diameter with H4 bore tolerance ensures precise seating and torque transmission. Order directly via Metav Werkzeuge or consult the Metav team for specification alignment.

TECWERK face clamping chuck DIN 69871 Form AD — Weldon, 32 mm clamping, SK40, 100 mm projection

A TECWERK face clamping chuck DIN 69871 Form AD designed to secure tools with cylindrical shanks and a lateral drive flat to DIN 1835-B in SK40 spindles for machining and milling applications.

• Weldon flat for positive drive
• DIN 69871 Form AD taper interface
• 32 mm clamping diameter with H4 tolerance
• SK40 shank with 100 mm projection

Secure, standardised interface for consistent toolholding

The face clamping chuck offers a standardised connection via DIN 69871 Form AD, providing a familiar SK40 interface for machine spindles. The integrated Weldon flat supplies positive axial and rotational drive to tools with lateral drive flats, reducing slip under load and improving process stability. The 32 mm clamping diameter is held to an H4 bore tolerance, which means the fit is tight and predictable; this tolerance class ensures minimal radial play and repeatable concentricity between successive tool changes, directly supporting tighter machining tolerances.

Robust transmission and suitability for driven tools

Designed for driven tools with a cylindrical shank and lateral drive flat to DIN 1835-B, the holder translates spindle torque reliably through the Weldon contact while maintaining axial security. The external dimensions (outer diameter 72 mm, projection 100 mm) balance rigidity and accessibility in the tool zone, allowing secure clamping without excessive overhang. This configuration suits milling and light to medium-duty operations where dependable power transfer and quick changeover are priorities, and it simplifies retrofit into existing SK40 toolholding systems.

Practical workshop benefits: integration and uptime

The compact geometry and adherence to recognised standards make the chuck straightforward to stock and interchange across machines that accept DIN 69871 tapers. Fewer special adapters are required, which shortens setup times and reduces toolholder inventory complexity. The combination of Weldon positive-drive and an H4-tolerance bore helps to lower scrap rates by improving concentricity and repeatability. For workshops seeking cost-effective, standardised clamping, this solution supports consistent process output with minimal additional adjustments.

Discuss suitability with Metav Werkzeuge today — our specialists in Emmerich can confirm compatibility with existing SK40 toolholding systems and arrange supply directly from stock

Technical data

• Article number: 2000833747NW
• Manufacturer: TECWERK
• Product type: Face clamping chuck
• Label: Face clamping chuck DIN 69871AD Weldon clamping Ø 32 mm SK40 A-L 100 mm

Facts

• Clamping diameter: 32 mm
• Outer diameter: 72 mm
• Projection length A: 100 mm
• Bore tolerance: H4
• Interface: DIN 69871 Form AD

Special features

• Weldon flat for positive drive per DIN 1835-B
• SK40 taper shank
• Accepts cylindrical shank tools with lateral drive flat
• H4 tolerance for precision seating

FAQ

What spindle interface does this chuck use?
The chuck connects via a DIN 69871 Form AD taper and is supplied with an SK40 shank for compatibility with machines that accept that interface.

How does the Weldon flat improve performance?
The Weldon flat provides a positive drive that transmits torque directly through the lateral drive contact, reducing slippage and improving rotational security for tools with a matching drive flat.

What does the H4 tolerance imply for clamping accuracy?
An H4 bore tolerance specifies a precise inner diameter that yields tight, repeatable seating of the clamped tool, contributing to improved concentricity and consistent machining results.

Is this chuck suitable for driven milling cutters?
Yes, the design accepts tools with a cylindrical shank and lateral drive flat to DIN 1835-B, making it suitable for driven milling cutters where positive torque transmission is required.

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