Driving head M22 for D-20mm Earth Rod

Driving Head, M22Features: Driving head, steel. Full-threaded bolt with internal hexagon screw.Bolt grade 12.9, made of high strength steel alloy, reusable. Suitable for heavy-duty construction, metal-to-metal bolting, have high tensile and yield strength. It has excellent stability at high or low temperatures and provides resistance from various chemical and physical reactions.The driving head is used for ground rod deep blow.Thread standard M22.For use in grounding and lightning systems, can also be used in transport, agricultural machinery, etc.Specifications: Material: steel.Grade: EG 12.9.Screw type: M22.Head: hex 14mm.Rod diameter: 20mm.Length: 58mm.Outer diameter: 28mm.Weight: 220g.