Coupling EUE 3-1/2" 8RD API5CT N80 Tubing cooper plated
Extended Length Couplings 2-7/8" 6.5PPF EUE L80
Special Beveled Coupling EUE 2-3/8" 4.7lb/ft J55 Grade
Features: 
Corrosion resistance
High efficiency
Durability
Various Specifications

All Coupling Stock is certified to API Standards by an independent 3rd party 
laboratory prior to coupling manufacturing.
After machining all couplings undergo 100% thread inspection.
Color Coding and Marking as per API5CT Standard.
MTRs are available for all couplings.

Contact:
Cristina Olivia(Mrs)
Skype:live:be2030290f36ed3
E-mail:cristinaolivia@126.com
Snoble Energy & Technology Ltd