Worm shaft chinhu chakakosha mugiya rehonye, iri rudzi rwegiya bhokisi rine giya rehonye (rinozivikanwawo sevhiri rehonye) uye screw screw. The worm shaft is the cylindrical rod panogadzikwa screw worm. Iyo inowanzo ine helical shinda (iyo worm screw) yakachekwa mukati mayo.
Maworm shafts anowanzo gadzirwa nezvinhu zvakaita sesimbi, simbi isina tsvina, kana bhuronzi, zvichienderana nezvinodiwa zvekushandisa zvekusimba, kusimba, uye kuramba kupfeka. Ivo vakanyatsogadzirwa kuti ive nechokwadi chekushanda kwakatsetseka uye inobudirira kufambisa kwemagetsi mukati megiya bhokisi.