01
Plan the assembly point
Identify whether the coupler is accessible before or after the cage is positioned in the mould.
SDX Rebar Tools
For precast reinforcement, the assembly sequence determines where a connection tool can reach. Choose the wrench while the coupler remains accessible, before surrounding moulds or reinforcement restrict the approach.

Before the connection becomes enclosed
Electric rebar coupler wrenches
Discuss this Application01
Identify whether the coupler is accessible before or after the cage is positioned in the mould.
02
Compare the three coupler models by bar diameter, coupler outside diameter and supplied power.
03
Check approach direction and tool positioning at the actual connection location.
These are connection-tool selection options, not a precast-system approval. Follow the coupler supplier’s installation and inspection requirements.
Compare the listed ranges with your workpiece and installation requirements.
Applicable rebar: 8–32 mmCoupler outer diameter: 19–31 mm
Applicable rebar: 8–40 mmCoupler outer diameter: 24–47 mm
Applicable rebar: 16–40 mmCoupler outer diameter: 24–60 mm