Drilling head M22

Features:
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.