Yedu brass screws inogadzirwa nemhando yepamusoro yendarira uye yakagadzirirwa kusangana nemhando yepamusoro uye kuvimbika kunodiwa. Haisi chete screw iyi inokwanisa kuchengetedza kuita kwakagadzikana munzvimbo dzakasiyana siyana, asi zvakare inoshingirira mamiriro ekunze uye inoshingirira zvakanyanya mukuora, ichiita kuti ive yakakodzera mapurojekiti anooneswa kunze kana kune hunyoro nharaunda kwenguva yakareba.
Pamusoro pekuita kwavo kwakanakisa kwehunyanzvi, masikiru endarira anoratidzawo anoyevedza hunhu, kubatanidza yakakwirira-yekupedzisira mhando uye hunyanzvi hwehunyanzvi. Kugara kwavo uye kutaridzika kwakanaka kwakavaita sarudzo yekutanga kune akawanda mapurojekiti uye anoshandiswa zvakanyanya mumhepo, simba, simba idzva, uye mamwe minda.