Sentences with drill bit
drill bit
D d - With rotary drilling, a hole is drilled by the continuous turning of a drill bit.The drill bit is the mechanism that cuts into the ground layers to reach the gas deposit or to cut a core sample.A drill bit is a tool used to cut or crush rock.
- The following are different types of bit. mill tooth bit PDC bit roller cone bittricone bittungsten carbide insert studded bit