Crossover subs is used to crossover from one connection size to another or as the disposable component used to extend the connection life of a more expensive drill stem member.
Crossover subs are available with:
box x pin
box x box
pin x pin connections.
Crossover Subs are manufactured from 4145M or 4140HT alloy steel. The connections are protected
by a phosphate surface coating that minimizes galling on initial make-up.Contact us Skype:Kaden Shi
X-Over are used to connect pipes or equipment with two different ODs and/or connections.
Forwell have different connections as follows;
EUE PIN X BOX
NUE PIN X PIN
IJ PIN X PIN
Premium thread Pin x Box