Model:3/4"*7/8"
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API 3/4” x 7/8” Class SM Full Size Sub Sucker Rod Coupling
1)Material:AISI 5140
2)Standard: API Spec 11B
3)Specification:
O.D.: 1-13/16”(46.04mm)
Length: 4.5”(114.3mm)
Weight: 0.92kg
4)Other Size: 5/8” x 3/4”; 7/8” x 1”;1” x 1-1/8〞
5)Features: It is used to connect different sizes of Sucker Rods or to connect the Polished Rod to Sucker Rod string.


