A drill bit is what actually cuts into the rock when drilling an oil or gas well. Located at the tip of the drillstring, below the drill collar and the drill pipe, the drill bit is a rotating ...

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It’s often said that you don’t need a drill bit; what you need is a hole. How you make that hole is up to you, but it’s a given that you want to make it as efficiently as possible. The drill bit, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you plan on drilling into brick, concrete, or stone, you’re going to need to use a masonry drill bit.

A power drill could be called one of the patron tools of the hardware pantheon. With a simple spinning motor, a power drill can handle all kinds of different jobs, boring holes into different ...