1、 Use: Suitable for thin plate fixing of simple buildings.
2、 heat treatment: yes
3、 Major markets: Asia, North and South America, Europe, Africa, Oceania, etc
4、 Rugged and durable: the thread is fastened, the thread is clearly and evenly distributed, and the screw section is smooth and smooth.
5、 Advantages: Standard hexagon design, slippery phenomenon is not easy to occur during installation, smooth and complete without burr inside and outside.