Self-tapping and rivet-turning assembly for thin metal plate

The utility model discloses a self-tapping and rivet-turning assembly for a thin metal plate, which comprises a self-tapping and rivet-turning nut and a rivet-turning punch, and the thin metal plate is provided with a metal plate hole. A secondary locking through hole is formed in the nut head part of the self-tapping turning rivet nut; a self-tapping external thread is arranged outside the screw rod part, and a turning riveting through hole and a secondary locking threaded hole coaxially communicated with the turning riveting through hole and the secondary locking through hole are formed in the screw rod part; a flanging and riveting thin wall is formed between the flanging and riveting through hole and the self-tapping external thread; the self-tapping turning-riveting nut is locked into a metal plate hole of the thin metal plate from top to bottom and is used for self-tapping threads; after the threads are self-tapped, the flanging and riveting punch stamps into the flanging and riveting through hole of th