Fastener capable of being installed on single face

The utility model belongs to the field of mechanical design and manufacturing, and particularly relates to a single-face installation fastener. Comprising a bolt body, a stop bushing, an insertion piece and a deformation self-locking nut, the end of the stop bushing is a countersunk head, the tail of the stop bushing is a conical surface, the middle section of the stop bushing is a cylindrical surface, knurls are arranged at the tail of the stop bushing, and first stop knurling stripes are arranged on the portion, close to the conical surface, of the middle section of the stop bushing; the inner wall of the deformation self-locking nut is divided into a deformation area and a thread area, and the diameter of the inner wall of the deformation area is larger than the inner diameter of the thread area. Second locking knurling stripes are arranged on the inner wall surface and the outer wall surface of the deformation area; the bolt body comprises a bolt head, a middle polished rod and a tail section thread, and