Features and advantages
■The screw is made of high-quality cold-heading alloy steel 40Cr, which avoids the risk of hydrogen embrittlement caused by the use of 45 steel
■The casing is made of high-quality cold-drawn Q345B seamless steel pipe, which is CNC turned to ensure the accuracy of the pipe walls at both ends.
■The natural transition design of the bolt R angle ensures the tight fit between the sleeve and the bolt
■Mold material selection to control of service life, to ensure the stability of anchor bolt quality
■The non-expanded end of the casing is stamped and locked, and it is integrated with the screw to avoid safety risks caused by the screw falling
■8.8 mechanical properties, superior tensile, shear, fatigue, and fire resistance
■The surface adopts hot-dip galvanizing process, the thickness of the zinc layer is 55um, to ensure the smooth screwing of the nut and bolt