Drill bit

Drill bits are the cutters of drill tools. Bits are interchangeable, meaning that they can be removed from the end of the drill, either to replace a worn part or to change the size of the part.

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This article describes the types of drill bits in terms of the design of the cutter. The other end of the drill bit, the shank, is described in the drill bit shank article. Drill bits come in standard sizes, described in the drill bit sizes article.

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The term drill can refer to a drilling machine, or can refer to a drill bit for use in a drilling machine. In this article, for clarity, drill bit or bit is used throughout to refer to a bit for use in a drilling machine, and drill refers always to a drilling machine.

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Drill: A drill is a tool with a rotating drill bit used for drilling holes in various materials. Drills are commonly used in woodworking and metalworking....

Tool: A tool is a device that provides a mechanical or mental advantage in accomplishing a task....

Drill bit shank: The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different perfomance, such as allowing higher torque or greater centering accuracy....

Drill bit related Images and Photos (experimental)

Drillbit Taylor	Drill Baboon	8-Bit Hair Bow	8-Bit Oven Mitt
8-Bit Imagination	The 8-Bit Watch	The 8-Bit Watch	Bit of Fry & Laurie, A: The Complete Collection . . Every Bit
4-Bit Binary Watch	Bit of Fry & Laurie, A: Season 4 (DVD)	Bit of Fry & Laurie, A: Season 1 (DVD)	Bit of Fry & Laurie, A: Season 2 (DVD)