Parallel Thread Coupler
1.Use solid 45# /40cr carbon steel as raw material and Round Bar Cutting.
2. High Tensile & yield strength≥630MPa , reach JGJ107, ACI318, BS8110, DIN1045 and UBC1997 etc.
3. Easy operation & environmentally friendly.
4. Could be used in the every orientation connection of reinforcing bars with same or different Diameter.
5. Good low temperature resistance, and could pass the -40 degree low temperature test.