Home > STANDARD CLAMPING ELEMENTS > Setting Elements > No. 6438S Screw jack, quick action
Order
no.
Size H min. H max. TR B1 B2 D L SW F max.
[kN]
Weight
[Kg]
75705 450 320 450 40x7 26 190 90 220 65 50 11.5
75713 710 450 710 40x7 26 190 90 220 65 40 13.7
75721 1250 710 1250 40x7 26 190 90 220 65 30 18.3


Application:
This screw jack allows for very fast presetting following with step-less adjusting for the whole height range. By turning the operating ring 60° the spindle is locked or released for fast presetting. Use locking screw for safe final adjusted position. Suitable pads are no. 6440, 6441, 6442, 6443 and 6445.

Note:
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!