Flat dies system has two die flats, the bottom one is held stationary and the other slides. The blank is placed of one end of the stationary died then the moving die slides over the blank, which causes the blank to roll off the stationary lower die in a finished form. Flat dies are available in various thread forms such as ANSI, BS, DIN and JIS amongst other. It can be offered with or without holding angles. Flat dies produce external threads by the process of cold forming, sutilize one stationary and one moving die to form the threads.