Vertical Screw (Verto Lift)
![Vertical Screw (Verto Lift) Vertical Screw (Verto Lift)](https://cdn.shortpixel.ai/client/q_glossy,ret_img,w_331,h_300/http://www.karnavatienterprise.com/wp-content/uploads/2018/04/vertical_screw-331x300.png)
GENERAL Vertical screw consist of metal flights, each formed as a helix and mounted on a pipe or solid shaft when necessary. The helicoids type is made by cold rolling a continuous strip to form a helix of desired diameter,