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Name:4145H Crossover Sub

Product Description

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.

Crossover subs are available with:

1. box x pin

2. box x box or

3. pin x pin connections.

Crossover Subs are manufactured from 4145H alloy steel. The connections are protected by a phosphate surface coating that minimizes galling on initial make-up.

 Crossover sub
Description
Upper Connection pat
Lower Connection Part
Type
Kelly cross-over sub
Kelly
Drill pipe
A or B
Drill pipe cross-over sub
Drill pipe
Drill pipe
A or B
Interim cross-over sub
Drill pipe
Drill collar
A or B
Drill collar cross-over sub
Drill collar
Drill collar
A or B
Drill bit cross-over sub
Drill collar
Drill bit
A or B
Swivel cross-over sub
Swivel lower sub
Kelly
C
Fishing cross-over sub
Kelly
Drill pipe
C
Drill pipe
Fishing tools
C
Crossover sub can be customized as per customer's design.

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