Drill a hole about

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• Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… …   Wikipedia

• Drill — For other uses, see Drill (disambiguation). Drill scheme A drill or drill motor is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for drilling holes in various materials or… …   Wikipedia

• Drill bit shank — The shank is the part of a drill bit grasped by the chuck of a drill. The cutting edges of the drill bit are at one end, and the shank is at the other. Different styles of shank/chuck combination deliver different performance, such as allowing… …   Wikipedia

• drill — [[t]drɪ̱l[/t]] drills, drilling, drilled 1) N COUNT A drill is a tool or machine that you use for making holes. ...pneumatic drills. ...a dentist s drill. 2) VERB When you drill into something or drill a hole in something, you make a hole in it… …   English dictionary

• drill — 01. Oil companies have been [drilling] for oil in the Atlantic for about 10 years. 02. I [drilled] a hole in the wall to put the picture hook into. 03. A major oil company is [drilling] in the far north with the hopes of finding significant… …   Grammatical examples in English

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• Drill string — A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied as the assembled collection of… …   Wikipedia

• drill — drill1 drillable, adj. drillability, n. driller, n. /dril/, n. 1. Mach., Building Trades. a. a shaftlike tool with two or more cutting edges for making holes in firm materials, esp. by rotation. b. a tool, esp. a hand tool, for holding and… …   Universalium

• oyster drill — noun A type of snail, Urosalpinx cinerea (and others), that uses its eversible gland to soften its preys shell, and then drill a hole in the shell to consume the oyster or other shellfish. <! (original text) (hence oyster drill) then it sucks… …   Wiktionary

• Bow drill — The bow drill is an ancient tool. While it was usually used to make fire, it was also used for primitive woodworking and dentistry. It consists of a bearing block or handhold , a spindle or drill , a hearth or fireboard , and a simple bow .… …   Wikipedia

• Diamond core drill — bits (sometimes called hole saws) are used to bore holes in brick, concrete, glass, and stone. They are not generally used with softer materials. The bit consists of a metal cylinder, usually relatively soft steel mounted on an arbor. Industrial… …   Wikipedia