Profile: Handan Yidao Metal Products Co., Ltd specializes in providing hot rolled high strength thread bar and accessories. Our main products include thread bar, PC bar, PT bar, rock bolts, ground anchors, temporary & permanent anchors, domed nuts, couplers, bearing plates, and washers. Our products are widely used in post tensioning, formworks, geotechnical, ground engineering, mining, tunneling, soil nailing, slope protection, and retaining structure. PSB500 thread bar is made of black steel with a continuous left-handed along the entire length of the bar. The continuous threading allows the cut of the bar with different length according to the design requirements and it also improves the adhesion between the bar and grouting.