... ,3.0mm,3.5mm Mechanical Rebar Splicing Coupler with 45# steel Materials: 45# carbon steel. Specifications: D14mm-40mm. Usege: rebar splicingISO: ... 120mmPlace of OriginChina(mainland) Details show Application Specifiction: 1. Material: 45# solid carbon steel2. Use to connect the bars of HRB335 ... to enlarge the end of rebar.Secong, use GZL-45 Threading machine to process screw on the enlarged end.Third ...