ZM40 High Quality Automatic Rebar Tying Machine from China Coal is hand-held intellective battery dynamoelectric device, it possesses the trait of secure and credible, reasonable ,advance d cratt, easily manipulate, high work efficiency. It can use in the architecture engineering to pack precast Rebars. It can highly raise the speed of engineer.
| Model No. | ZM-22 | ZM-40 | ZM-50 |
| Max Tying Diameter | 21mm | 40mm | 50mm |
| Time of Making a Knot | 0.8 seconds | 0.8 seconds | 1.0 seconds |
| Voltage | DC9.6V | DC9.6V | DC9.6V |
| Weight | 2.15kgs | 2.2kgs | 2.25KGS |
| Turns per Tie | 2 turns/3turns | 2turns/3turns | 3turns/4turns |
| Ties per Coil | Approx. 260ties(2turns) | Approx.160ties(2turns) | Approx. 100 ties(3 turns) |
| Ties per Charge | 4-5 Coils | 6-7 Coils | 7-8 Coils |