Sucker Rod

Threaded and coupled rod (T & C)
Galvanized steel pump rod
http://www.deanbennett.com/rod.htm "
Windmills and Hand pumps are stroke units, that stroke a piston in a cylinder to lift water. Fiberglass pump rod and galvanized steel rod are used to connect the plunger in the cylinder to the drive unit above. Dean Bennett Supply stocks galvanized steel pump rod for closed top cylinders, and fiberglass sucker rod for open top working barrel cylinders. We also stock wood rod for your added selection choices. Call Dean Bennett Supply at 800-621-4291 for assistance with all your pumping needs."