API 11B 16-22 Spray welded rod manifold centralizer coupling
API 11B 16-25 Rod centralizer coupling
API 11B 16-25 Rod centralizers
API 11B 16-25 Rod roller centralizers
API 11B 16-29 T (full-length FS and SH slimhole) rod coupling
API 11B 19 Spray welded (full size FS) rod coupling
API 11B 19 Spray welded Slimhole (SH) rod coupling
API 11B 22 Spray welded (full size FS) rod coupling
API 11B 22 Spray welded slimhole (SH) rod coupling
API 11B 25 spray welded (full size FS) rod coupling
API 11B 25 Spray welded slimhole (SH) rod coupling
API 11B 28 Spray welded (full length FS) rod coupling
API 11B 28 Spray welded slimhole (SH) rod coupling
Nc 15-16 spray welded torque rod coupling
Spray welded double shoulder straight hollow sucker rod coupling