boring-tool
21Jig (tool) — In metalworking and woodworking, a jig is a type of tool used to control the location and/or motion of another tool. A jig s primary purpose is to provide repeatability, accuracy, and interchangeability in the manufacturing of products.[1] A jig… …
22Hand tool — A hand tool is a device for performing work on a material or a physical system using only hands. The hand tools can be manually used employing mechanical force, or electrically powered, using electrical current.Examples are almost endless, from… …
23Diamond-point tool — Diamond Di a*mond (?; 277), n. [OE. diamaund, diamaunt, F. diamant, corrupted, fr. L. adamas, the hardest iron, steel, diamond, Gr. ?. Perh. the corruption is due to the influence of Gr. ? transparent. See {Adamant}, {Tame}.] 1. A precious stone… …
24Gimlet (tool) — A gimlet is a hand tool for drilling small holes, mainly in wood, without splitting. It was defined in Gwilt s Architecture (1859) as a piece of steel of a semi cylindrical form, hollow on one side, having a cross handle at one end and a worm or… …
25drill press — a drilling machine having a single vertical spindle. [1860 65, Amer.] * * * or drilling machine Machine tool for producing holes in hard substances. The drill is held in a rotating spindle and is fed into the workpiece, which is usually clamped… …
26List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
27terə- — I. terə 1 To rub, turn; with some derivatives referring to twisting, boring, drilling, and piercing; and others referring to the rubbing of cereal grain to remove the husks, and thence to the process of threshing either by the trampling of oxen… …
28drill — I (New American Roget s College Thesaurus) v. pierce, bore; train, exercise, practice; quiz. See opening, teaching, exertion, repetition. II (Roget s IV) n. 1. [Practice] Syn. preparation, repetition, learning by doing; see exercise 1 , practice… …
29perforate — perforate, puncture, punch, prick, bore, drill mean to pierce through so as to leave a hole. Perforate, although it can mean to pierce, is used mainly with reference to the action of a machine or instrument which makes usually small round holes… …
30drill — I n. boring tool 1) to operate, use a drill 2) an electric, power; hand; rotary drill exercise 3) to conduct a drill 4) (mil.) close order drill 5) an air raid; evacuation; fire drill II v. 1) (D; intr.) ( to prospect ) to drill for (to drill for …
