Din 933 are full threaded bolts with a hexagonal or six sided head， DIN931 are part threaded bolts with a hexagonal or six sided head.
Surface treatment: Nature; Black; Galvanized.
Hex bolts are usually used in fastening wood, steel, and other construction materials for projects such as docks, bridges, highway structures, and buildings and so on.
- Professional manufacturer: All of our bolts are designed and manufactured according to buyers’ specification and performance.
- Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
- Cost effective: Competitive prices with factory directly supply.
- Customized ideal fasteners: customized services according to the samples and drawings offered.