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1. en.wikipedia.org › wiki › Drill_bitDrill bit - Wikipedia

   en.wikipedia.org › wiki › Drill_bit

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   A drill bit is a cutting tool used in a drill to remove material to create holes, almost always of circular cross-section. Drill bits come in many sizes and shapes and can create different kinds of holes in many different materials.

   • Drill bit sizes

     Drill bits are the cutting tools of drilling machines. They...

   • Drill bit (well)

     In the oil and gas industry, a drill bit is a tool designed...

   • Roller cone bit

     A roller-cone bit is a drill bit used for drilling through...

   • Drilling

     Drilling is a cutting process where a drill bit is spun to...

   • Drill bit shank

     Drill bit shank - Wikipedia. Contents. hide. (Top) Brace...

2. en.wikipedia.org › wiki › DrillDrill - Wikipedia

   en.wikipedia.org › wiki › Drill

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   Some of the main drill bit types are twist drill bits – a general purpose drill bit for making holes in wood, plastic, metals, concrete and more; Counterbore Drill Bits – a drill bit used to enlarge existing holes; Countersink Drill Bits – a drill bit to create a wide opening for a screw