This is a standard type blind nut (rivet nut) that combines the advantages of nuts and rivets. It is used for mounting on thin boards that are difficult to tapp, surface treatment boards that are difficult to weld, non-ferrous metals, resins, etc. The male screws can be quickly attached to the base material from one side, resulting in a streamlined effect such as reducing the number of processes and reducing labor costs. *Please check the condition of the base material, plate thickness, and hole diameter, and choose the nut according to the strength, function, and corrosion resistance specifications required for tightening. *Tools such as hand nuts are required for this product.