... rotate speed of Reducer: 62 R.P.MSteel bar standard: 14,16,18,20,22,25,28,32,36,40Thread pitch ... 's special demand is available. 1) Roll stamping thread after steel bar rib peeling, with good shape of thread, high precision ... , low additive cost of connector4) Easy to adjust for rolling steel bars in different specifications, adjustment can be made without loosing ...