Removing removable double locking and caulking rivet

Removing removable double locking and caulking rivet. After the collar has hooks to a front section of a thin, thick locking portion and an annular step collar head. After the nail head with a rivet to the front hook section cooperating with the annular groove, the former rod section, engaged with the locking portion knurling section, separation tank, the rod and the ring groove section and tail. And rivets inserted from both sides of the collar sided caulking, riveting complete locking portion is formed with a knurled locking segment radially and axially locking hook buckle hook segment. Equipped with a front collar, the central cylinder and other simple removal tool can be quickly disassembled after the rivet is set. Solve the conventional metal plate to be torn between the non-metallic plate and screw strength with a low, easy to fall off, easily disassembled conventional rivets and so on. More secure and reliable than the screw connection. Cold heading can achieve mass production, easy installation, simple operation, no air pollution; easy removal, good post-maintenance. It may be a metal plate of steel, aluminum, automotive, railroad and the like; and crimping the carbon fiber composite boards and the like.