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.

Step bit

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A step bit, or step drill, is a roughly conical bit with a stair-step profile. They are used for drilling in sheet metal up to the thickness of one of the steps. Due to their design, a single bit can be used for drilling a very wide variety of hole sizes.

Related Topics:
Conical - Stair-step - Sheet metal

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An additional use of step bits is deburring holes left by other bits, as the sharp increase to the next step size allows the cutting edge to scrape burrs off the surface of the workpiece.

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