Embedded parts (prefabricated parts) are the components that are pre-installed (buried) in concealed works. They are the structural parts that are placed when the structure is poured, and are used ...
The function of the hollow gecko is the same as that of the screw. It is used when self-tapping screws and expansion screws are not suitable. For example, in the light steel frame partition wall ha...
The repairing gecko extends into the tube sheet hole, and the end of the tube rolls to expand the inner wall of the tube, causing plastic deformation, increasing the diameter of the tube, and the t...
Fasteners are also called standard parts on the market, and are mechanical elements that can mechanically fix or bond two or more elements together. It is characterized by a wide variety of specifi...