The screw is the co-inventor of the lives of thousands of years for people to produce, in accordance with the application field of view, it is human invention. Screws, some people call it the "screw" screw (screw), "screw (screw rod). In fact, the molybdenum screw is known as, and the screw, the screw rod are each differentiated. The screws are generally called wood screws; front tip of the kind of pitch the larger, generally used for fastening wooden parts, plastic parts.
Turnilyo, ang ilang mga tao tumawag ito " live na " (live na), " maluwag ang tornilyo (may sinulid baras) . Katunayan, tornilyo molibdenum ay kilala at ang tornilyo, ang katawan ng poste turnilyo ay bawat differentiated . Turnilyo karaniwang tinatawag na kahoy Turnilyo, ilong sa uri ng mas mataas na lupa, bilang karaniwang ginagamit upang pag-ugnayin piraso ng kahoy, mga bahagi plastic tornilyo machine turnilyo (Turnilyo), ito ay ang uri ng mga front - dulo flat ulo ..