The galvanized bolt is a fastening piece that consists of the cap and the screw (a cylinder that has external thread). In applications, it requires the presence of a nut. The galvanized fastener is used to connect two parts that share through-holes.
Both at home and abroad, the galvanized bolt is widely used for the fastening of steel frames in buildings, bridges, large cranes, etc.
Standard code | GB5783-86 | Standard | GB (national standard) | Nominal length | standard |
Thread | standard | Category | hex bolt | Surface treatment | galvanized |
Application | fastener | Thread tolerance | 4h | Head type | external hex |
Product grade | A | Material grade | carbon steel 8.8 |