Back reamer is described as a drilling tool designed to enlarge a pilot hole. Typically employed by attaching to the drill string once it exits the ground (surface to surface installation).This tool can be used to forward ream a hole.
Ref: 122161/2006-09-25

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Drilling (Drilling -is described as the use of such a ...)
Ream (Ream is described as 500 sheets of paper in one ...)
reamer (Reamer is another term for juicer. It refers to a ...)
Reamer (Reamer is another term for juicer. It refers to a ...)


List of books: Back,reamer

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