Couplings

 

●Standards
API SPEC 5CT/5B
 
●Steel Grades
H40, J55, K55, L80-1, N80-1, N80-Q, C90, T95, P110 Q125 (Other grades on applications)
 
●Thread Types
NU, EU, STC, LTC, BTC
 
●Coupling size
4 1/2 to 20 inches
 
●Wall Thickness
5.21mm to 14.15mm