White Zinc-Plated Grade 4.8 Plain Washers M2.5M3M4M5 Flat Gasket Washer
Product use: electronic, computer accessories, computer IO shrapnel, stationery, kitchenware, medical equipment, stainless steel etching materials, chemical packing, adjustment gasket, etc.
If you are looking for the gasket used to adjust the clearance position, mainly as a foil cushion, then it is the hardware category, metal materials are also commonly used, also known as flat gasket.