Flange nuts sometimes have swivel flanges to help create a more stable structure without affecting the finished product as serrated flange nuts do. Rotary flange nuts are mainly used to connect wood and plastics. Sometimes both sides of the nut are serrated, allowing locking on either side.
Handan din6923 black finished carbon steel hex nut is a machine part used to connect two parts together. They have wide application, such as electronic products, mechanical products, digital products, electrical equipment, ships, vehicles, hydraulic engineering, even chemistry experiments.