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2. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   The correct tool to start a traditionally drilled hole (a hole drilled by a high-speed steel (HSS) twist drill bit) is a spotting drill bit (or a spot drill bit, as they are referenced in the U.S.). The included angle of the spotting drill bit should be the same as, or greater than, the conventional drill bit so that the drill bit will then ...

3. Gimlet (tool) - Wikipedia

   en.wikipedia.org/wiki/Gimlet_(tool)

   A gimlet is a hand tool for drilling small holes, mainly in wood, without splitting. It was defined in Joseph Gwilt's Architecture (1859) as "a piece of steel of a semi-cylindrical form, hollow on one side, having a cross handle at one end and a worm or screw at the other".

4. Hand drill - Wikipedia

   en.wikipedia.org/wiki/Hand_drill

   Hand drills have been used by many primitive societies as a fire drill to start a fire. [1] It is still often learned as a useful survival skill. A hand drill could also be used as a tool for drilling holes in hard materials such as wood, stone, or bone. For either use, the hands must also exert downward pressure while spinning the rod.

5. Earth auger - Wikipedia

   en.wikipedia.org/wiki/Earth_Auger

   A skid-steer loader with an earth auger attachment. Construction drill auger. Hand-powered earth augers are typically used to plant saplings and trees or to set up posts for fences or other ends. [7] Large mechanized earth augers, called drilling rigs, are used to make holes for piles destined to be deep foundations or retaining wall. [citation ...

6. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   A magnetic drill is a portable machine for drilling holes in large and heavy workpieces which are difficult to move or bring to a stationary conventional drilling machine. It has a magnetic base and drills holes with the help of cutting tools like annular cutters (broach cutters) or with twist drill bits. There are various types depending on ...

7. Brace (tool) - Wikipedia

   en.wikipedia.org/wiki/Brace_(tool)

   A brace is a hand tool used with a bit (drill bit or auger) to drill holes, usually in wood. Pressure is applied to the top while the handle is rotated. If the bit's lead and cutting spurs are both in good working order, the user should not have to apply any pressure other than for balance: the lead will pull the bit through the wood.