The aperture size of the drawing die determines the diameter of the metal filament you get, so the metal aperture of the die becomes the key to the success or failure of the entire drawing die. In the wire drawing die you usually see, their apertures are round There are square, usually many aperture shapes.

　　This is the design of the metal wire drawing die according to the shape of the metal wire you need. If the wire drawing die is used to draw some metal that is not very hard, and the finish is not high, the wire drawing die at this time It is perfectly fine to use the made mould. In this case, the tungsten steel mould is relatively cheap and very suitable.