Screws yog ib yam ntawm cov fasteners, nws cov kev faib tawm muaj ntau yam kev faib tawm rau cov neeg kho tshuab screws, self-tapping screws, laum screws thiab expansion screws plaub.Mechanical screws yog siv nyob rau hauv kev tsim kho, tsheb, machinery, electronics, aer ...
Nyeem ntxiv