wholesale Threaded Flanges 1. Introduction: Threaded Flanges have a bore with tapered threads and connect to pipes that have external threads. The primary benefit of Threaded Flanges is that no welding is required to attach them. 2. Description: Threaded flange may be a sort of flange that has taper pipe threads and may be utilized in piping systems where it's impossible to hold out welding of flange on to the pipe like highly explosive areas where welding can create a possible hazard. The threaded flange is screwed on to a pipe which has external taper pipe threads.wholesale Threaded Flanges website:http://www.hkforging.net/threaded-flanges/