Threaded joint generally includes threaded elbow, threaded tee, threaded union, threaded pipe cap, threaded pipe collar, threaded reducer, thread plug, thread external thread, bushing, etc.
Threaded joint refers to the pipe connector with thread, which is the most common pipe fitting in industry and life. The threaded joint makes the connection of pipe easier and easier to disassemble and replace, which greatly saves the cost of pipe connection.