Cross over
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.
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Cross over
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.
Size Range: 1.9" to 24"
Grades : All API grades.
Connections, API Threads & RT serials
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