1) Rib peeling completed by one-time steel bar nipping, roll screw thread with fast speed
2) Highly automatic and easy to operate
3) Roll stamping after steel bar rib peeling, with good shape of thread, high precision and conformed diameter size
4) Rolling wheel has long service period, low additive cost of connector
5) Few roll head specifications, wide scope of steel bar machining, 16 - 40mm steel bar screw thread machining with one machine
6) Easy to adjust for rolling steel bars in different specifications, adjustment
can be made without loosing rolling head, with same given screw distances