... ,30T,40T,50T,100T2.Configuration: worm shaft,worm gear,bearing,oil seal,housing and lifting Screw3.Function: Elevating, Lowering, Pulling, Pressing ... : 0.03 HP ~ 21.5HP. 8.Lifting Screw Diameters: 20 mm ~100 mm. 9.Lifting Screw Pitch: 5mm ~ 16 mm. 10.Lifting ...