M4 Jack Nuts 5 Pack Threaded Insert Nut Carbon Steel Rivet Nuts 22mm Length

Description: 1. Material: Jack nut is made of carbon steel zinc surface treatment high hardness oxidation resistance rust resistance and corrosion resistance and durability. 2. Easy to use: Drill a suitable hole according to the size then insert the jack nut with a tool to pull the bolt so that it expands and binds firmly to the substrate. The expanded head of the nut is larger and can be securely fastened to the plate it has good load-bearing capacity. 3. Application: Rivet nuts can be firmly fixed on thin sheet metal to provide tight screw locking force such as sheet metal or non-metallic materials plastics wood etc. Widely used in industry construction furniture electrical appliances equipment and so on.