Screw jack, quick-action
stepless adjustment with brass locking screw. Centring hole dia. 12 mm. Spindle complete: tempering steel, with trapezoidal thread. Spindle head blued. Housing: tempering steel, varnished.
This screw jack allows for very fast pre-setting following with stepless adjusting for the whole height range. Suitable pads are no. 6440, 6441, 6442, 6443 and 6445.
Important note for height adjustment:
- Hold spindle, max. 6 kg
- release locking screw
- turn spindle
- adjust to required height
Do not adjust screw jack under load!