... Speed, Low Efficiency, Use Infrequently, Easy Installation, Low Noise.* Linear Motions: Elevating,Lowering,Pulling,Pressing,Pushing,Rolling.* Manual Operation and ... ratio,1 turn shaft,0.5 mm stroke;Low ratio,1 turn shaft,0.25 mm stroke. * Electric Motor Horsepower ... Trapezoidal Screw Diameters Range 20 ~100 mm;Screw Pitch Range 5 ~ 16 mm.* Max Linear Speed 3600 mm/min* Accessories: Bevel Gearbox,Hand ...