Search Results for: Steel articles
two strips of a rigid material bound together by a spring at one end so that, when the spring held open, one can insert some material between the prongs at the other end that, the spring allowed to close, then clamp the inserted material. according to their function, pins can be made of metals (e.g. steel
, copper , or brass ), wood, or plastic . contents sewing and fashion pins straight pins general purpose pins steel pins without heads mechanical fasteners notes references sewing and fashion pins[ edit ] the development of the pin closely paralleled that of its perforated counterpart, the needle ....
https://en.wikipedia.org/wiki/Pin