Drilling Head For Ground rod:

Drilling head is made of the high strength steel # 45 and produced by special hardening treatment process.

Drilling head uses the thread (or riveted) fixed to the ground rods, which is conducive to the grounding rod into the hard soil layer, and this protects the ground rod.  

Drilling head is widely used in earthing project with it's Strong corrosion resistance, Good conductivity, and long use life.