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Category

Hole making

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drill
thumb|A hand-held corded electric drill thumb|A lightweight magnetic-mount drill
drill bit
cutting tools used to create cylindrical holes
hole puncher
office tool for making uniform holes in paper
laser cutting
technology that uses a laser to cut materials
drilling
thumb|Titanium drilling
borehole
thumb|Borehole digging for a borewell or tube wellthumb|Borewell diggingthumb|upright|A woman in Uganda collects water from a borehole and attached hand pump thumb|A drilled well in Ghana; the borehole is not visible
electrical discharge machining
metal fabrication process whereby a desired shape is obtained by using electrical discharges to remove material
brace
type of hand drill
drilling rig
integrated system that drills wells
gimlet
small tool for making holes
boring
process of enlarging a hole that has already been drilled
punching
thumb|Extruded holes with the punch and die used to create them. No pilot hole was used on the left.
hole saw
Hole saw
boring
drilling a hole, tunnel, or well in the earth
trephine
thumb|A trephine with a center pin can be seen on the left. thumb|right|Dr. John Clarke [[trepanning a skull, ca. 1664, in one of the earliest American portraits. Clarke has a trephine in his right hand. The painting is in Harvard Medical School.]]
punch
tool used to create holes
friction drilling
hole making in which the effective material thickness is increased with the aid of friction
pouncing
thumb|A pounce wheel, also known as a tracing wheel
gun drill
type of cutter or machine tool for deep hole drilling
drill stand
perpendicular feed device for hand-held drilling machine