High strength thread bar is a straight steel bar with large diameter, high strength and high precision without longitudinal rib on the whole steel bar and continuous right screw thread. High strength thread bar can be cut and coupled at any point.
Many people will wonder why there are cracks on the unglazed side of the ceramic basin or ceramic toilet I just bought? I am worried that it will leak and affect the future use. And send pictures to the supplier, but the supplier says it's normal, why?