product manual:

   An ultra-high-strength plug-in screw pump special sucker rod belongs to the field of petroleum mechanical oil extraction equipment. It consists of a sucker rod body, a threaded hoop inner nut, a threaded hoop inner nut, and a threaded hoop. The upper end of the sucker rod body has a concave groove, an external thread and a wrench square, and the lower end has an external thread and a convex joint. , The threaded hoop, the inner nut of the threaded hoop and the inner nut of the threaded hoop are installed on the lower end of the sucker rod rod body to form a single ultra-high-strength plug-in screw pump special sucker rod. According to requirements, multiple single ultra-high-strength plug-in screw pump special sucker rods can be sequentially connected into sucker rod strings. The sucker rod not only has ultra-high strength anti-falling and torsion resistance, but also has the characteristics of simple assembly and convenient installation.