Heavy Duty Machine Screw Jack RNF series
RNF-Series screw jack, named machine screw jack, cubic gearbox design, 6 surfaces of housing milled and glossy, self locking acme screw without braking mechanism, the best phosphor bronze worm gear, and thrust bearing bear larger load, load capacity from 0.1 KN to 500 KN as our standard. Long traval stroke up to 6500 mm, 11 kinds of models for your selection.