Drilling head M22 for D-20mm Earth Rod

Drilling head M22Features: Drilling head made from high strength steel alloy, inside thread and thread of ground rod stick together, can effectively protect the ground rod in a deep hurt.Used for ground rod bottom drill deep.Connection is threaded, screw type M22.For use in grounding and lightning systems.Specifications: Material: steel.Rod diameter: 20mm.Thread type: M22.Length: 44mm.Outer diameter: 26mm.Weight: 99g.