... ,3T,5T,10T,15T,20T,30T,40T,50T,100T2.Configuration: worm shaft,worm gear,bearing,oil seal,housing and lifting Screw3.Function: Elevating ... .Characteristic: Positioning precision,Safely self-locking,Heavy duty,Uniform lifting speed,small sizes,easy installation,low noise,long life,security and ... mm.9.Lifting Screw Pitch: 5mm ~ 16 mm.10.Lifting Speed: 75 mm/min ~1800 mm/min 11.Accessory: Geared motor ...