S Helical-Worm gearbox is a kind of right angle speed deceleration transmission device that is made up of an Y2 series motor, spiral gear and bevel gear. Key components of S Helical-Worm gearbox are made of high-wearing materials and treated by special heat. They have several characteristics such as high manufacturing precision, stable transmission, small size, high bearing capacity and long serve time and so on. This speed reducer can seal well, and can easily adapt to different environments, furthermore, FS speed reducer can even continuously work in an erodent and humid environment with anti-erosion capability, long time reservation ability and low noise. In addition, we would like to state that S Helical-Worm gearbox we manufacture accord with the quality standards of both China and abroad. So please use them at ease.