Jtc5 worm gear screw lifter,small mechanical worm gear screw jacks, stainless steel worm gear screw jack,small worm geared screw jack,small industrial worm screw jacks,lifting worm gear jack, jack worm screw static load capacity 5 kn, high speed torque 2.6 n.m, low speed torque 0.8 n.m. lead screw (spindle) Tr18x4. high speed gear ratio 1/4, low speed gear ratio 1/16. upright or inverted translating screw, rotating screw and keyed screw configurations. precision positioning, self locking lead screw which support the loads and hold position without brake mechamism. hand wheel or hand crank manual operation, or single phase or three phases electric motor driven, gear motor driven or dc 24v gear reduction motor drives. thread end, clevis end, plain end, forked head and top plate (flange type) for lead screw (spindle) end types. customized various length stroke, under tension load, maximum 400 mm stroke. single screw jack or multiple screw jacks system arrangements.