Thru-feed with return type circular thread rolling dies apply to set screw suppliers、all-thread threaded rod suppliers、threaded bar supplies、scaffold pipe suppliers、Lead screw suppliers. Also can be putted on most brands of thread rolling machine, such as UM thread rolling machine, PMC thread rolling machine, SENY thread rolling machine, IC thread rolling machine, DL thread rolling machine, ORT thread rolling machine, LANDIS thread rolling machine, IZPE thread rolling machine, IMU thread rolling machine, LF thread rolling machine, MEGA thread rolling machine, JDY thread rolling machine, FDY thread rolling machine, REED RICO thread rolling machine, etc.