... Tensile strength: ACI318,JGJ107.... 1.HBL-40C2 Threading machine: Mostly process steel bar diameter from 28mm to 40mm ... 32mm,36mm,40mm. 2.Normal packing: Wooden case for machine, cartons or pallet for coupler.3. Delivery time: ... quantity.4. Processing principle:.Using the Rib peeling machine process thread on rebar end directly.And then link the ... 12mm to 16mm Steel bar parallel thread threading machine