Built-in nut penetrating type anti-slip rivet nut

The utility model relates to the technical field of rivet nuts, and discloses a built-in nut penetrating type anti-slip rivet nut which comprises a built-in anti-slip nut, the inner wall of the built-in anti-slip nut is in threaded connection with a hexagon socket screw, the hexagon socket screw comprises a core-pulling bolt, the lower end of the outer wall of the core-pulling bolt is provided with an external thread, and the lower end of the outer wall of the core-pulling bolt is provided with an internal thread. The built-in anti-slip nut comprises a limiting circular plate, the inner wall of the limiting circular plate is movably connected with the lower end of the outer wall of the core-pulling bolt, and anti-slip rhombic teeth are arranged and can press the limiting circular plate on the built-in anti-slip nut on a plate when the inner hexagon bolt is screwed into the built-in anti-slip nut; anti-slip rhombic teeth at the bottom of the limiting circular plate are clamped into the surface of the plate, so