Polished rod

Sanjack can supply polished rods which comply with intl standard. They are manufactured through many processes including the testing, straightening and forging. Polished rods are made of high quality carbon steel and alloy steeldue to customer request. Ourpolished rods are exported to the United States, Canada, Europe, Africa and Middle East, and we establish cooperative relationships with international customers all over the world.

The polished rod is a special sucker rod for connecting the sucker rod and the beam hanger. Because it is located at the upper part of the sucker rod and bears the largest force, the diameter of the polished rod is larger than that of the sucker rod, the steel grade is higher, and the surface is smootherThe polished rod is mainly has two types: regular grade D polished rod and end upsetting polished rod.

The regular grade D polished rods are connected by polished rod coupling.

Regular Polished Rod Specification
Size 1-1/8″ 1-1/4″ 1-1/2″
Rod body diameter 1-1/8″ 1-1/4″ 1-1/2″
Thread nominal diameter 15/16″ 1-1/16″ 1-3/16″
With of sucker rod size 5/8″ 3/4″ 7/8″
Standard length 25′, 26′, 30′ or customized.

The one-end upsetting polished rods are connected to the sucker rod directly for usage.

One End Upsetting Polished Rod Specification
Rod body diameter 1″ 1-1/8″ 1-1/4″
EUE thread nominal diameter 1-3/16″ 1-3/8″ 1-9/16″
NUE thread nominal diameter 15/16″ 1-1/16″ 1-3/16″
With of sucker rod 1-3/16″ 1-3/8″ 1-9/16″
Standard length 25′, 26′, 30′ or customized.

Material: SS, alloy steel.

Type: regular polished rod, end upsetting polished rod.

Rod diameter: 1″, 1-1/8″, 1-1/4″, 1-1/2″.

Length: 25′, 26′, 30′ or customized.


Polished rods also have C,D,K and KD strength grades as sucker rods.


High tensile strength.

Can be used with the sucker rod and hollow sucker rod.

Corrosion resistant.

Smooth surface


Polished rod is mainly used for connecting between the pumping unit and rod string in the oil well.

The regular grade D polished rod is not used for high corrosion environments.

The end upsetting polished rod can be used combined with sucker rod for usage.



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