stainless steel special screws are produced by what machine?
stainless steel special screws are produced by what machine? For ordinary screws, we all know is a single mold machine head molding, then s tainless steel special screws are produced by what machine? If the screw is cold heading production, generally through the single mold machine, closing machine, multi – station for the production of blank. Specific is what kind of machine to carry on production, one is the dimension that needs to see s tainless steel special screws and administrative will decide. If the diameter of the screw head is more than 2.5 times larger than the diameter of the thread, or if the screw has a step position, it is basically required to carry out multi-station. If the length of the screw is very long, basically more than 100mm, then it is produced through the closing machine. If the die closing machine, before starting, you need to cut first, because the length of the stainless steel non-standard screw is too ...