butane torch,welding torch,This product is easy to operate, portable, widely ... , Propane torch, Mapp Torch, Solder Pen, Cutting Torch, Brazing Torch, Blow torch, Welding Torch are popular in USA, EURO,ASIA,SOUTH ... and 7/16 threaded connection, we also have Mapp gas connection for some special customer. Some of our torch ... 1300C, it was high performance for brazing copper , solder, welding etc.