n
An instrument for boring holes, used in blasting.
n
(engineering, construction) a hammer powered by compressed air
n
A hole of puncture in a body, the result of being shot with an arrow
n
A hollow drill used to take core samples of soil, ice, etc. for scientific study.
n
Alternative form of auger [A carpenter's tool for boring holes longer than those bored by a gimlet.]
n
A rotary cutting tool fitted to a drill, used to bore holes.
n
The end of a drill bit that is held by the chuck of a drill
n
A hand tool consisting of a crank which holds a fitted rotating drill bit tip, designed to bore holes in rigid materials, by cutting a disc in a spiral fashion.
n
Any kind of electrical power tool
n
In pumps, a metal covering for the openings in the valve chambers.
n
A tool, such as an auger, for making a hole by boring.
n
(medicine, surgery) A needle with a hole in its center.
n
A tool used for drilling.
n
A simple rotational hand-operated tool of prehistoric origin, used as a fire drill for ignition, or for other drilling tasks such as woodwork and dentistry.
n
A hand-cranked drill that is braced against the breast (chest) and whose axial feed can be provided by pushing or leaning therefrom.
n
A tool for opening barrels by removing the bung.
n
An adapter for joining pipes of different size.
n
(countable) A tool used to create a small indentation in preparation for drilling a hole.
n
A hand tool used to prepare a workpiece prior to drilling a hole. It typically compresses and then suddenly releases a spring, creating a small indentation that, in turn, guides and centers the drill.
n
An instrument turning on a centre, for boring holes.
n
A drill worked by hand, not struck with a hammer.
n
A hole through an object which is large enough to enable threads of a screw or bolt to pass through but not the head of the screw or bolt.
v
To extract a sample with a drill.
n
A device used to remove a cylinder-shaped sample of material for examination
n
A laboratory tool for cutting a hole in a cork or rubber stopper to insert glass tubing.
n
The tool with which a counterbore is machined.
n
A rotating cylindrical cutting tool located at the head of a drill, boring machine, or the like.
n
A small, high-speed drill used during dental procedures.
n
A mechanical appliance giving a rotary motion to a dentist's boring instruments.
n
A small, high-speed drill used during dental procedures.
n
(firefighting) A crowbar-like tool used by firefighters to quickly force locked doors to open.
n
A drill bit usually designed for use in soft formation, such as sand clay, or some soft rock. Uses include drilling water wells, that consists of a drill pipe connector attached to blades on the end. The cutting edge of the drag bit is often tungsten carbide.
n
A hand-held rotary tool with various attachments.
n
The portion of a drilling tool that drives the bit.
n
Any other style of cutter, for example a spade drill, that is rotated and fed in a similar manner as a twist drill to of cut a hole in metal, wood or other materials.
n
The long cylinder of material obtained by use of a core drill
n
A type of jig that expedites repetitive hole center location on multiple interchangeable parts by acting as a template to guide the twist drill into the precise location of each intended hole center.
n
A thin-walled metal alloy pipe used on drilling rigs.
n
A machine tool in which a rotating cutter, usually a twist drill, is pushed into a workpiece to produce a hole.
n
A column of drill pipe on a drilling rig, which transmits drilling fluid and torque to the drill bit.
n
Alternative spelling of drill bit [A twist drill.]
n
Alternative spelling of drill core [The long cylinder of material obtained by use of a core drill]
n
The part of a drill that holds the shank of the bit.
n
Alternative form of drill string [A column of drill pipe on a drilling rig, which transmits drilling fluid and torque to the drill bit.]
n
A small, typically hand-held, electric drill.
n
A dental instrument used to pry up ("elevate") teeth in difficult extractions, or depressed portions of bone.
n
Alternative form of eyebolt [A bolt with a looped head, or an opening in the head.]
n
A plug of oakum for the vent of a gun.
n
A kind of drill bit that bores precise flat-bottomed holes in wood, in any orientation with respect to the grain.
n
A turning lathe with a deep notch in the bed to allow turning a short object of large diameter.
n
A wood-boring tool with a long elliptical pod and a screw point.
n
A small screw-tipped tool for boring holes.
n
A boring bit shaped like a gouge.
n
A fitting fixed to a piece of machinery, used as an inlet for lubricating grease by means of a grease gun.
n
The part of a dental drill, surgical instrument, etc. that is held in the hand.
n
Alternative form of headbolt [A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).]
n
Alternative form of headbolt [A bolt that is used to secure the head of something (such as the cylinder head of an internal combustion engine).]
n
Alternative form of headbolt heater [A form of block heater that consists of a hollow headbolt which contains an electric heating element.]
n
A tool for making smooth, semicircular bends in conduit and pipe.
n
A machine tool used in the manufacture of precision bores.
n
A machine for smoothing the surface of an ice rink.
n
A type of drill operated by means of compressed air.
n
A type of machine tool invented during the World War I era to make possible the quick-yet-very-precise location of hole centers.
n
A square or hexagonal pipe that is turned in order to rotate the rotary table of a drilling rig.
n
(attributive) A kind of radiator valve used to balance the system by restricting the flow of water on the return side.
v
To drill a hole through multiple assembled parts at once, so as to ensure that the parts align properly in the final assembly.
n
A type of drill that combines a belt-driven drill press with the X/Y coordinate abilities of a milling machine's table and a locking collet that ensures that the cutting tool will not fall from the spindle due to lateral forces against the bit.
n
A machine with two pulleys to hoist load by spinning wheels, polyspast, block and tackle.
n
A drill used in boring wells, with cutters that expand on pressure.
n
A plate against which a person presses their chest to give force to a hand-operated drill.
n
A short plug, sometimes made interchangeable, at the end of a counterbore to guide the tool.
n
A narrow hole drilled or punched into a surface, to facilitate the insertion of a wider screw, nail, drill bit, or other boring tool.
n
A drill with a central pin or projection to enter a hole, for enlarging the hole, or for sinking a recess for the head of a bolt, etc.; a counterbore.
n
A screw-cutting tap with a slightly tapering end.
n
A dental instrument used to insert fillings.
n
A heavy drill consisting of a bit powered by compressed air, used e.g. for breaking tarmac.
n
An auger whose channel is straight instead of twisted.
n
A hand-held drill powered by electric motor.
n
Alternative form of power drill [A hand-held drill powered by electric motor.]
n
A simple hand-powered device used to impart a rapid rotating motion to a rod (the spindle or drill shaft), used to start a fire or to drill holes.
n
A machine used to excavate a circular hole between two levels of an underground mine without the use of explosives.
n
A tool for drilling holes, having the bit mounted in a stock and rotated by a ratchet wheel and ratchet lever.
n
The special apparatus used for drilling wells.
n
A powerful drill that can cut through stone.
n
Alternative form of rock drill [A powerful drill that can cut through stone.]
n
A type of drill bit used to perforate rock to create a wellbore to oil and gas reservoirs
n
Alternative spelling of roller cone bit [A type of drill bit used to perforate rock to create a wellbore to oil and gas reservoirs]
n
Alternative spelling of roller cone bit [A type of drill bit used to perforate rock to create a wellbore to oil and gas reservoirs]
n
A technique for boring holes by means of tools attached to a rope and alternately lifted and lowered.
n
(oil industry) A mechanical device that provides clockwise rotational force to the drill string to facilitate the drilling of a borehole.
n
The distance drilled with a bit, in oil drilling.
n
A surgeon's or dentist's instrument for forcing open the jaws.
n
A hollow tool for grasping and lifting tools dropped in a well-boring.
n
a shallow circular or cylindrical recess, machined on (for example) a cast part to offer a flat face against which to seat a fastener; a shallow counterbore
n
(plumbing) A type of short nut (fastener) threaded on both ends.
n
A drill of the correct size to produce the hole for a specified tap size.
v
(machining) To drill and thread in one operation, using a tool bit that cuts the hole and the threads in one series of computer-controlled movements.
n
A cylindrical hole that has been bored through something.
n
A machine tool for drilling slots, in which the work or tool has a lateral motion back and forth.
n
A tool used to bore through rock when sinking shafts.
n
The head of a hammer, and particularly of a steam-driven hammer.
n
A drill used in oil wells etc in which the bit is rotated by a turbine motor within the well.
n
A tool used primarily by coopers to bore holes.
n
A rotating cutting tool, used for cutting holes in rigid materials, that consists of an essentially conical point, relieved and fluted to form cutting lips, and spiral flutes which direct the chips away from the lips and toward ejection from the hole.
n
Any of various hand tools for boring holes.
adj
Alternative form of wood-boring. [(of an insect) That bores through wood.]
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