Threaded Rebar Coupler, Construction Splicing Rebar Coupler/Sleeves

Threaded Rebar Coupler, Construction Splicing Rebar Coupler/Sleeves Detail Images Threaded rebar coupler diameter from 12mm to 40mm, one end of coupler is concave This threaded rebar coupler is belong to Upset forging parallel thread connection system, different from our standrad coupler, one end of rebar coupler is concave, which can meet different project requirements. Specification: 1. Rebar Diameter: 12-40mm 2. Materials: 45# carbon steel 3. Thread pitch: 1.75/2.5/3.0/4