Threaded rod, tseem hu ua tag nrho cov xov los yog stud, yog ib hom fastener feem ntau siv hauv kev tsim kho thiab kev siv hauv kev lag luam. Nws muaj ib tug ntev, cylindrical pas nrig nrog threads raws nws tag nrho ntev, cia nws yuav tsum tau txiav mus rau txhua yam uas xav tau ntev.