These are durable and corrosion-resistant square nuts that are designed to be welded onto metal surfaces. They have chamfered edges, which means they have a slight bevel on the corners to reduce the risk of cracking during welding. The nuts are made of A2 stainless steel, also known as 18-8 or 304 stainless steel, which has a high tensile strength and good resistance to rust and oxidation. The thread size is M8.The nuts are compatible with M8 bolts and screws of the same thread pitch. The pack contains 20 nuts, which are ideal for securing brackets, frames, or other components that require a strong and permanent connection. For more information,