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Coupling collars

 

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The couplings are used to join sucker-rods to each other.

Specifications
Normative documentsTU 3665-020-48416997-2003
Outside diameter, mm - Full-size: 60.3; 55.6; 50.8; 46; 41.3; 38.1
- Slimhole 50.8; 41.3; 38.1; 31.8
Wear resistance coating at outer surface - Heat treated without coating - Т
- High frequency current hardened - S
Steel grade Structural carbon alloy steel

Catalogue Oilfield and drilling equipment download.


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