screw anchor is also called socket screw anchor which is mainly used for agricultural and mining ,power line ,industrial foundation construction
The screw anchor is made of helix, tube socket and tip spigot which can help the helix dig into ground easily
The helix size are mainly 200mm 250mm 300mm and 450mm to suit different soil class
For small helix ,it is mainly for hard ground soil and bigger helix size is suit for soft soil ground
The thread of the spigot is M24 and 1"
The helix and tube material is Q345 alloy steel
The helix screw anchor work together with stay rod ,eye nut to pull the cable wire
Surface of the earth screw anchor is painting grey or painting black
Here show the details pictures:
