Carriage bolts refer to round head square neck screws. Carriage screws can be divided into large semi-round head carriage screws and small semi-round head carriage screws according to the size of the head.
The carriage bolt is a fastener consisting of a head and a screw. It needs to be matched with a nut to connect two parts with through holes for tightening.
Generally, bolts connect two materials through light holes and need to be used in conjunction with nuts. A single bolt part cannot connect. The heads are mostly hexagonal and generally larger in size. The carriage bolt is used in the groove, and the square neck is stuck in the groove during the installation process, which prevents the bolt from rotating and can move parallel in the groove. The head of the carriage bolt is round, which plays an anti-theft role in the actual connection work.
In addition to carriage bolts, there are other fasteners with excellent market development prospects. This phenomenon is precisely because fasteners are the most widely used mechanical basic parts in various industries of the national economy. In addition, it is small and lightweight, with low purchase cost, and is deeply favored by the market. And now my country’s domestic fastener industry is adjusting and accelerating. It has shifted from the one-sided pursuit of output and value to the current shift to improving quality and brand effect. The transformation from production to production and service and the shift to specialization, precision and specialization have significantly highlighted the concentration of the fastener industry.