SWL手动螺旋千斤顶，精密手摇蜗轮减速器，SWL 1吨/2.5吨/5吨螺母式横向螺旋升降机

SWL worm screw jack integrates worm reducer and trapezoidal screw drive with built-in self-locking function to prevent load falling off after positioning. Available in 1T, 2.5T and 5Ton capacities, split into screw travelling type and nut travelling type.
It supports hand crank manual operation or electric motor drive, features precise lifting adjustment, stable running and long service life. Multiple jacks can be combined for synchronous lifting, widely used in equipment height adjustment, tooling lifting and small lifting platforms.