High-quality material: The semi-exhaustive screws with nuts are made from excellent bronze. They feature high strength, are resistant to breaking, do not lose their color, are resistant to corrosion and oxidation, and can be used in tough conditions such as high temperatures, cold weather, and high humidity. They are durable for long-term use.

Easy to use: Designed with a deep and clean thread, without burrs, they have strong holding power and are easy to install. They are suitable for many applications and are often used in various situations where height increase of components is needed.