There are several types of bolts, and different types of bolts have different functions.
② Bolts for reaming holes: When using, insert the bolts tightly into the reamed holes to prevent dislocation of the workpiece.
③ Stop bolt: There are square neck and vertebra.
④Special purpose bolts: such as T-slot bolts; joint bolts; anchor bolts.
⑤ High-strength bolt connection pair for steel structure: generally used for friction-type connection of steel structures such as buildings, bridges, towers, pipeline supports and hoisting machinery.