spiral drill

См. также в других словарях:

• 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 — 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 — 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

• 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

• Hammer drill — A Hammer drill, also known as a rotary hammer or roto hammer , (see also rotary hammer drill) is a rotary drill with a hammering action. The hammering action provides a short, rapid hammer thrust to pulverize relatively brittle material and… …   Wikipedia

• Twist drill — Twist Twist, n. 1. The act of twisting; a contortion; a flexure; a convolution; a bending. [1913 Webster] Not the least turn or twist in the fibers of any one animal which does not render them more proper for that particular animal s way of life… …   The Collaborative International Dictionary of English

• twist drill — noun a bit or drill having deep helical grooves • Syn: ↑twist bit • Hypernyms: ↑bit * * * noun : a drill having one or usually two deep helical grooves extending from the point to the smooth portion of the shank * * * Mach. a drill with one or… …   Useful english dictionary

• twist drill — noun A rotating cutting tool, used for cutting holes in metal, wood, or other 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… …   Wiktionary

• twist drill —    A drill with a straight shaft incised with spiral cutting edges for boring a hole. Also see wood …   Glossary of Art Terms

• twist drill — /ˈtwɪst drɪl/ (say twist dril) noun a drill with one or more deep spiral grooves in the body …  

• twist drill — A metal cutting drill with spiral flutes (grooves) to permit the exit of chips while cutting …   Dictionary of automotive terms