Nominal pipe size 3/4" - 4" upset and non-upset ends.
Standard lengths are 4 1/4" - 6 1/2"
Sub Couplings are available with any combination of current API threads (8 round, 10 round,
11 1/2V, etc.) and are stock items in J-55, K-55, N-80 and L-80.
For a different grade of material (stainless, brass, etc.) and different threads consult
the factory.
