What does RKB stand for?

RKB stands for "Rotary Kelly Bushing"

How to abbreviate "Rotary Kelly Bushing"?

"Rotary Kelly Bushing" can be abbreviated as RKB

What is the meaning of RKB abbreviation?

The meaning of RKB abbreviation is "Rotary Kelly Bushing"

What does RKB mean?

RKB as abbreviation means "Rotary Kelly Bushing"