Solution Categories
More Ways to Browse
Contact NOV
You are here: > Solutions > Downhole > Drilling Tools > Drillstring Components
Bit Subs
Bit Subs

Bit subs are used to connect the drill bit to the next piece of equipment in the BHA. Because drill bits are "pin up" and all other drilling components are typically "pin down", the bit sub functions as a crossover for BHA attachment.