Diamond tipped drill bits
An auger drill is a special drill used to make holes in things. It works by drilling while also pulling the material out of the way to leave a space. An example is an earth auger drill, which can drill a hole into the earth while pulling the soil out of the ground.
They used an auger to bore holes in wood. A more sophisticated version that would be used later was called a brace and bit.
For concrete, it is recommended to use a hammer drill with a masonry bit for drilling holes. This type of drill is specifically designed to handle the hardness of concrete and can make the drilling process more efficient.
They do all kinds of drills to help the soccer team get better.
A really fun boot-camp drill for pre-schoolers is dancing. Put on a great kid-friendly soundtrack and instruct the kids on sticking a new pose.
A hollow diamond drill bit, with lots of water, cutting slowly, will do the job. Ideally in a drill press of some kind instead of freehand. Diamond bits in rotary tools like Foredom or Dremel may do it, if it's suitable to use them with lots of water.
To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal., To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline., To practice an exercise or exercises; to train one's self., An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press., The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill., Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar., A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea., To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum., To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water., To entice; to allure from step; to decoy; -- with on., To cause to slip or waste away by degrees., To trickle., To sow in drills., A small trickling stream; a rill., An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made., A light furrow or channel made to put seed into sowing., A row of seed sown in a furrow., A large African baboon (Cynocephalus leucophaeus)., Same as Drilling.
A digger derrick is a truck used in electrical construction jobs. The digger derrick drills holes into the ground and then puts a poll in it. Cable companies and phone companies use these trucks.
To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal., To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline., To practice an exercise or exercises; to train one's self., An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press., The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill., Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar., A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea., To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum., To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water., To entice; to allure from step; to decoy; -- with on., To cause to slip or waste away by degrees., To trickle., To sow in drills., A small trickling stream; a rill., An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made., A light furrow or channel made to put seed into sowing., A row of seed sown in a furrow., A large African baboon (Cynocephalus leucophaeus)., Same as Drilling.
To pierce or bore with a drill, or a with a drill; to perforate; as, to drill a hole into a rock; to drill a piece of metal., To train in the military art; to exercise diligently, as soldiers, in military evolutions and exercises; hence, to instruct thoroughly in the rudiments of any art or branch of knowledge; to discipline., To practice an exercise or exercises; to train one's self., An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press., The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill., Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar., A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea., To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum., To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water., To entice; to allure from step; to decoy; -- with on., To cause to slip or waste away by degrees., To trickle., To sow in drills., A small trickling stream; a rill., An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made., A light furrow or channel made to put seed into sowing., A row of seed sown in a furrow., A large African baboon (Cynocephalus leucophaeus)., Same as Drilling.
It's kind of like a drill bit with no twist and small sharp knurls all over it. I have a set of 4 in 1/4, 3/8, 1/2 and 5/8. -Very handy for cleaning out rusty holes in things under your car.
You don't need a drill bit for anything on drywall.