... rib-peeling and threading machine1) Brief introductionFunction : for rolling thread on rebar end.Bar diameter : 12 ... to maintain.5) Vulnerable partsRoller : for rolling thread on rebar end.1# roller , for 14mm-22mm rebar , pitch is ... 2.5mm, thread angle 60°/75°.2# roller , for 25mm-32mm rebar , pitch is 3.0mm , ... thread angle 60°/75°.3# roller , for 36mm-40mm rebar , pitch i 3.5mm , thread ...