The expansion shell anchor head is made of high-strength steel, composed of an inner wedge nut and an expansion shell clamp, which belongs to the mechanical point anchor anchoring system.

After the anchor bolt and the expansion shell anchor head are inserted into the drilling hole, to rotate the anchor bolt with external force, the expansion shell clamp opens under the action of the conical inner wedge nut, closely contacts to the rock wall, and generates frictional resistance with the wall, thereby forming the support force and achieving the effect of timely anchoring.

We can produce various expansion shell anchor heads for for rods and PC strands.