The official name of the furniture fasteners hardware used for the furniture connection is called pre-inserted nuts, and it is also called the internal and external tooth nut, threaded insert nut. It is a nut with a wire opening inside and outside. Generally, a hole is punched in the wood, and then the nut is screwed into the hole with an Allen wrench. It can be used to connect wood and metal, wood and wood, wood and hard plastic, etc. It is a commonly used furniture connecting.
