Material: carbon steel
Surface treatment: green, blue white zinc
Hole diameter is the same as the bolt diameter, economic and fast installation
Inflation piece at the top of the bumps, designed to prevent the anchor bolt installation rotation and increase the bearing capacity of anchor bolt
, the whole tooth screw meet the requirements of different buried depth and thickness of the anchorage
, good ductility and processing technology, which can adjust the Angle of installation will not break