It is the cold-headed parallel gear rebar coupler which has high strength gear inside. In this technique, gear is chased on the both sides of the rebar in the half size of the coupler height and the rebar is screwed and mounted. The coupler is mounted on the short gear side and the necessary plastic protective accessories can be used according to the demands.

System Detail:

2 rebars with short gear
1 plastic protecting cover
1 coupler