Todaone crossover subs are used to connect drill pipes, stabilizers, drill bits, or other tools with differing thread types or sizes. They are essential in petroleum, geological, water well, and CBM drilling applications.

Pin to Box crossover subs connect a male thread to a female thread and are the most commonly used type. They are often used between drill pipes and stabilizers or drill collars.

Pin to Pin crossover subs are used to connect two female-threaded tools, such as box-to-box drill strings. They are used in special drilling configurations.

Box to Box crossover subs connect two male-threaded tools, such as pin-to-pin drill collars. Ideal for custom tool assemblies and transitional structures.

Product Feature

Available in pin-pin, pin-box, and box-box types

High-strength alloy steel with high pressure resistance

Precision machining ensures perfect thread fit

Wear and corrosion resistant

Custom thread and length options available

Popular Models

3 1/2 in（88.9 mm）Pin to Box Crossover Sub

5 in（127.0 mm）Box to Box Crossover Sub