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Coupling M22 Features: Coupling made from high strength copper alloy, can protect the ground rod thread into the underground without damage and slow down the corrosion. Used for connecting rod and rod, rod and driving head. According to the need can increase the length of the rod. Connection is threaded, screw type M22. For use in grounding and l..

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. R..

Driving Head, M22 Features: 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 vario..

Copper Clad Steel Ground Rod, Pointed, 20mm x 1.5m Features: Copper clad steel earth rod, 20mm diameter, 150cm long, onepointed end, two threaded ends, pure copper layer thickness: 254 microns. Both threaded ends are compatible with screw standard M22. For use in grounding and lightning systems. Specifications: Material: copper clad steel. Copp..