steel bolt Iran

carbon steel bolt size 8 mm

The hexagon screw in dry grade has the highest level of use and popularity in industries. Dry screw size 8 to 24 has a wide range of applications in industries. In fact, dry screws are produced in both hexagonal and iron shapes, and the use of aluminum samples on industrial devices is increasing. 8 mm dry hex screw is produced with class 8.8. This grade of dry screw not only has a higher carbon percentage than iron samples, but also has heat hardening treatment during production.