China Expansion Bolt Manufacturer, Supplier, Factory

Expansion bolt is a special threaded connection used to secure pipeline supports/hangers/brackets or equipment to walls, floors or columns. Its working principle is to expand the expansion part through the axial movement of the thread, thereby forming frictional self-locking with the installation substrate and achieving a fixed effect. Expansion bolts are usually composed of components such as screws, expansion sleeves, washers, spring washers, and nuts.