A tool to remove excess carbon from the inside of a pipe bowl The tool presses evenly against the sides of the bowl as you turn it, assuring a uniform carbon, and with no danger of splitting the bowl or cutting your fingers
A down hole component to enlarge the bore hole and stabilise the drill string during rotation The reamer is usually a diamond encrusted metallic compound
One who, or that which, reams; specifically, an instrument with cutting or scraping edges, used, with a twisting motion, for enlarging a round hole, as the bore of a cannon, etc
Rotary cutting tool of cylindrical or conical shape, used for enlarging and finishing to accurate dimensions holes that have been drilled, bored, or cored. A reamer cannot be used to start a hole. All reamers have lengthwise flutes or grooves; either the sides of the tool or the tip may be used for cutting. Reamers are made from high-carbon steel, high-speed steel, or cemented carbides