Three combination screws are mostly used for the connection between thin
metal plates and play a connecting role.
When connecting, first make the threaded bottom hole of the connected
piece,
and then screw the combination screw into the thr...
Three combination screws are mostly used for the connection between thin metal plates and play a connecting role.
When connecting, first make the threaded bottom hole of the connected piece,
and then screw the combination screw into the threaded bottom hole of the connected piece. Due to the high hardness of the thread surface of the combination screw, the internal thread can be tapped out in the thread bottom hole of the connected part to form a connection.
