Spiral screw jack: WPT series spiral screw jacks are widely used in mechanical equipment, ceramic production, glass machinery, woodworking machinery, metallurgy, construction, chemical industry, medical treatment, textile and other industries. It has a self-locking function, is convenient and practical, and serves purposes such as lifting positioning and displacement of mechanical devices. Features: small size, light weight, capable of forward and reverse operation, multiple functions, low noise, compact structure, easy installation, flexible use, wide range of power sources, and long service life.