1..Raw materials: 45# hign-quality carbon steel structural steel
2.Diameter: 14mm-40mm
3.Thread pitch: 2.5/3.0
4.Standard thread angel: 75/60

5.Our rebar couplers are suitable for steels of different countries. Apply to HRB335,HRB400,HRB500,RRB400 hot rolled rebar for reinforced concrete.
6.Tensile strength could reach 600 Mpa. 

7.Performance: JGJ107-2010; ISO90011.