Dictionary of units of measurement. 2015.
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 and tap size chart — Below is a comprehensive drill and tap size chart for all drills, imperial and metric, and taps up to 36.5 mm. Contents 1 Chart 2 See also 3 References 4 External links … Wikipedia
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 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 — 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 team — The U.S. Marine Corps Silent Drill Platoon performs the rifle inspection routine in front of spectators seated in the Reviewing Stands during the Battle Colors Ceremony held at Marine Corps Recruit Depot San Diego, California. A drill team can be … Wikipedia
Drill pipe — Drill pipe, is hollow, thick walled, steel piping that is used on drilling rigs to facilitate the drilling of a wellbore and comes in a variety of sizes, strengths, and weights but are typically 30 to 33 feet in length. They are hollow to allow… … Wikipedia
Drill-Bit Stock — A term used to describe shares that trade for prices less than one dollar. The fractional prices are comparable to the diameter measures of drill bits found in a hardware store. Drill bit sizes are described by fractions of an inch whereas drill… … Investment dictionary
drill bit — A piece of rod with spiral recesses cut in it and a hardened steel tip, made in different sizes for drilling different sized holes, and inserted in the chuck of a drill … Dictionary of automotive terms
Expanding drill — Expanding Ex*pand ing, a. That expands, or may be expanded; extending; spreading; enlarging. [1913 Webster] {Expanding bit}, {Expanding drill} (Mech.), a bit or drill made adjustable for holes of various sizes; one which can be expanded in… … The Collaborative International Dictionary of English
