Micro screws are mainly used in electronic products. For example, smart phones, laptops, watches and so on.The screws are made of stainless steel, carbon steel,or can be customized. With Torx drive 、CD vein and PVD coating, the screws have excellent corrosion resistance and beautiful appearance.
A washer is use to be placed under the nut when tightening the bolt and nut, to provide protection between fasteners and target.. It is standardized corresponding to the screw diameter.