Drill Accessories

DIY Encyclopedia

Cup-shaped blade with a bit in the middle, called a mandrel. Used for cutting holes in wood, plastic, plaster and light metals. Available in...

Also known as a carbide-tipped bit. Used in electric drills, drill presses or hand drills for drilling holes in brick, tile, cement, marble and...

Used in electric drills and drill presses for fast drilling of holes in wood. Bits have a forged, flat paddle with a point and cutting edges on...

Has a graduated design so that various sized holes can be cut without changing bits. Designed for use with power drills and has self-starting...

Used for drilling ceramic tile and glass. Has a ground tungsten carbide tip. Best if used with a variable speed power drill at a low...

Used in both wood and unhardened metals to make clearance holes for bolts, screws, etc., and to make holes for tapping. Bits marked HS (high...

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