fluted tool

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• hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

• Lithic tool evolution — Oldowan Tools Lithic tool evolution started around 2.6 million years ago in the Afar triangle with the introduction of the Oldowan tool tradition. While this may not be the oldest Oldowan tool use, it is the oldest we currently know of. Hominids… …   Wikipedia

• Milling tool — Milling Mill ing, n. The act or employment of grinding or passing through a mill; the process of fulling; the process of making a raised or intented edge upon coin, etc.; the process of dressing surfaces of various shapes with rotary cutters. See …   The Collaborative International Dictionary of English

• ream — [1] To enlarge (e.g., worn valve guides) with a reamer. [2] To finish a hole accurately with a rotating fluted tool …   Dictionary of automotive terms

• tap — [1] To cut threads in a hole or tube. [2] The fluted tool used to cut the threads. Also see drain tap …   Dictionary of automotive terms

• Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …   Universalium

• 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

• Countersink — A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersunk bolt or screw, when placed in the hole, to sit flush with or below the surface of the… …   Wikipedia

• Woodturning — is a form of woodworking that is used to create wooden objects on a lathe. Woodturning differs from most other forms of woodworking in that the wood is moving while a (relatively) stationary tool is used to cut and shape it. Many intricate shapes …   Wikipedia

• Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …   Wikipedia

• Clovis culture — …   Wikipedia