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Testing

steel sinker bar

Brief Introduction:

The steel sinker rod is heavier than the conventional rod.

It is used at the bottom of the sucker rod string to keep the rod string under tension and to reduce crooks of the sucker rod string during downward travel.

Size in (mm)	Rod thread size in (mm)	Length m (ft)
1-1/4 (31.75)	5/8 (15.9) SR, 3/4 (19.1) PR	7.62 (25) 9.14 (30) 6 (19.7) 8 (26.2)
1-3/8 (34.93)	5/8 (15.9) SR, 3/4 (19.1) PR
1-1/2 (38.1)	3/4 (19.1) SR.7/8 (22.2) PR
1-5/8 (41.28)	7/8 (22.2) SR
1-3/4 (44.45)	7/8 (22.2) SR

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