MI 5187 CROSSOVERS
A crossover sub 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. Cross-over sub is mainly a short sub assembly which is used to enable the connection of two components with differing thread types or sizes.
Crossover subs are available with following connection:
Box x Pin
Box x Box
Pin x Pin
Crossover Subs are manufactured with material, length and thread connections as specified by the customer. The connections are protected
by a phosphate surface coating that minimizes galling on initial make-up.