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Index Screw

A screw is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread). [1]

174 relations: Adhesive, Adhesive tape, Alloy, Aluminium, American Institute of Steel Construction, Ancient Greece, Archimedes, Archimedes' screw, Archytas, ASME, Assyria, ASTM A325, ASTM A354, ASTM A490, Bar stock, Bearing surface, Bicycle, Black oxide, Bolt (fastener), Brass, Brazing, Brinell scale, British Association screw threads, British Standard Whitworth, British Standards, Bronze, Bugle, Canada, Carriage bolt, Clockwise, Commodification, Computer-aided technologies, Controlled vocabulary, Counterfeit, Countersink, Crossbow, Cylinder head, Demand curve, Diameter, Die (manufacturing), Die head, Dovetail joint, Dowel, Drill, Electroplating, Engineer, Engineering tolerance, England, Fastener, Federal government of the United States, ..., Fine adjustment screw, Forge welding, Forging, Galvanic corrosion, Galvanization, Gender of connectors and fasteners, Gimlet (tool), Greek mathematics, Hammer drill, Heading (metalworking), Heat treating, Helix, Hellenistic period, Henry F. Phillips, Henry Maudslay, Hex key, Hexagon, History of technology, Hot-dip galvanization, Ignition switch, Impact driver, Inclined plane, Insulator (electricity), Integer, Internal fixation, International Organization for Standardization, International standard, ISO metric screw thread, Jackshaft, James Nasmyth, Japanning, Jargon, Jesse Ramsden, John Peter Oleson, Joseph Whitworth, Knot, Lead (engineering), Line shaft, Linkage (mechanical), List of screw drives, Machine tool, Machinery's Handbook, Machining, Major diameter, Mass production, Mechanism (engineering), Mediterranean Sea, Micrometer, Misnomer, Mnemonic, Mortise and tenon, Multi-jackbolt tensioner, Multiplication sign, Nail (fastener), Natural language, Nylon, Olive oil, P. L. Robertson, Pascal (unit), Pin, Polytetrafluoroethylene, Propeller, Prosthesis, Punch (tool), Real versus nominal value, Retronym, Rivet, Rockwell scale, SAE 304 stainless steel, SAE International, Scaffolding, Screw, Screw press, Screw thread, Screw-cutting lathe, Screwdriver, Self-tapping screw, Sennacherib, Set screw, Shearing (manufacturing), Simple machine, Socket wrench, Solder, Split pin, Staffordshire, Stainless steel, Standards organization, Steel, Steering column, Stephanie Dalley, Swaging, Syndesmotic screw, Tap and die, Tariff, Technological convergence, Thread angle, Thread pitch gauge, Threaded fastener, Threaded insert, Threaded rod, Threading (manufacturing), Timber framing, Titanium, Tool and die maker, Toolroom, Torx, Tripod (photography), Tumble finishing, Turret lathe, Ultimate tensile strength, Unified Thread Standard, Unit price, United States, United States Standard thread, Wall plug, Washer (hardware), Welding, Winemaking, Wire, Woodworking joints, Work hardening, Wrench, Yield (engineering), 3D printing. Expand index (124 more) »


An adhesive, also known as glue, cement, mucilage, or paste, is any substance applied to one surface, or both surfaces, of two separate items that binds them together and resists their separation.

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Adhesive tape

Adhesive tape refers to any one of a variety of combinations of backing materials coated with an adhesive.

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An alloy is a combination of metals or of a metal and another element.

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Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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American Institute of Steel Construction

The American Institute of Steel Construction (AISC) is a not-for-profit technical institute and trade association for the use of structural steel in the construction industry of the United States.

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Ancient Greece

Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).

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Archimedes of Syracuse (Ἀρχιμήδης) was a Greek mathematician, physicist, engineer, inventor, and astronomer.

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Archimedes' screw

An Archimedes' screw, also known by the name the Archimedean screw or screw pump, is a machine historically (and also currently) used for transferring water from a low-lying body of water into irrigation ditches.

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Archytas (Ἀρχύτας; 428–347 BC) was an Ancient Greek philosopher, mathematician, astronomer, statesman, and strategist.

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The American Society of Mechanical Engineers (ASME) is a professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach." ASME is thus an engineering society, a standards organization, a research and development organization, a lobbying organization, a provider of training and education, and a nonprofit organization.

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Assyria, also called the Assyrian Empire, was a major Semitic speaking Mesopotamian kingdom and empire of the ancient Near East and the Levant.

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ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength.

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ASTM A354 is an ASTM International standard that defines chemical and mechanical properties for alloy steel bolts, screws, studs, and other externally threaded fasteners.

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ASTM A490 and ASTM A490M are ASTM International standards for heavy hex structural bolts made from alloy steel.

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Bar stock

Bar stock, also (colloquially) known as blank, slug or billet, is a common form of raw purified metal, used by industry to manufacture metal parts and products.

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Bearing surface

A bearing surface is a mechanical engineering term that refers to the area of contact between two objects.

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A bicycle, also called a cycle or bike, is a human-powered, pedal-driven, single-track vehicle, having two wheels attached to a frame, one behind the other.

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Black oxide

Black oxide or blackening is a conversion coating for ferrous materials, stainless steel, copper and copper based alloys, zinc, powdered metals, and silver solder.

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Bolt (fastener)

A bolt is a form of threaded fastener with an external male thread.

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Brass is a metallic alloy that is made of copper and zinc.

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Brazing is a metal-joining process in which two or more metal items are joined together by melting and flowing a filler metal into the joint, the filler metal having a lower melting point than the adjoining metal.

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Brinell scale

The Brinell scale characterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material test-piece.

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British Association screw threads

British Association screw threads, or BA screw threads, are a largely obsolete set of small screw threads, the largest being 0BA at 6 mm diameter.

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British Standard Whitworth

British Standard Whitworth (BSW) is an imperial-unit-based screw thread standard.

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British Standards

British Standards (BS) are the standards produced by the BSI Group which is incorporated under a Royal Charter (and which is formally designated as the National Standards Body (NSB) for the UK).

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Bronze is an alloy consisting primarily of copper, commonly with about 12% tin and often with the addition of other metals (such as aluminium, manganese, nickel or zinc) and sometimes non-metals or metalloids such as arsenic, phosphorus or silicon.

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The bugle is one of the simplest brass instruments, having no valves or other pitch-altering devices.

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Canada is a country located in the northern part of North America.

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Carriage bolt

A carriage bolt, coach bolt or round head square neck bolt is a form of bolt used to fasten metal to wood.

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Two-dimensional rotation can occur in two possible directions.

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Commodification is the transformation of goods, services, ideas and people into commodities, or objects of trade.

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Computer-aided technologies

Computer-aided technologies (CAx) is the use of computer technology to aid in the design, analysis, and manufacture of products.

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Controlled vocabulary

Controlled vocabularies provide a way to organize knowledge for subsequent retrieval.

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The counterfeit means to imitate something.

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A Countersink (symbol: '''⌵''') is a conical hole cut into a manufactured object, or the cutter used to cut such a hole.

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A crossbow is a type of ranged weapon based on the bow and consisting of a horizontal bow-like assembly mounted on a frame which is handheld in a similar fashion to the stock of a gun.

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Cylinder head

In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block.

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Demand curve

In economics, the demand curve is the graph depicting the relationship between the price of a certain commodity and the amount of it that consumers are willing and able to purchase at any given price.

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In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle.

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Die (manufacturing)

A die is a specialized tool used in manufacturing industries to cut or shape material mostly using a press.

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Die head

A die head is a threading die that is used in the high volume production of threaded components.

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Dovetail joint

A dovetail joint or simply dovetail is a joinery technique most commonly used in woodworking joinery (carpentry) including furniture, cabinets.

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A dowel is a cylindrical rod, usually made from wood, plastic, or metal.

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A drill is a tool fitted with a cutting tool attachment or driving tool attachment, usually a drill bit or driver bit, used for boring holes in various materials or fastening various materials together.

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Electroplating is a process that uses an electric current to reduce dissolved metal cations so that they form a thin coherent metal coating on an electrode.

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Engineers, as practitioners of engineering, are people who invent, design, analyze, build, and test machines, systems, structures and materials to fulfill objectives and requirements while considering the limitations imposed by practicality, regulation, safety, and cost.

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Engineering tolerance

Engineering tolerance is the permissible limit or limits of variation in.

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England is a country that is part of the United Kingdom.

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A fastener (US English) or fastening (UK English) is a hardware device that mechanically joins or affixes two or more objects together.

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Federal government of the United States

The federal government of the United States (U.S. federal government) is the national government of the United States, a constitutional republic in North America, composed of 50 states, one district, Washington, D.C. (the nation's capital), and several territories.

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Fine adjustment screw

The term fine adjustment screw typically refers to screws with threads from 40-100 TPI (Threads Per Inch) (0.5mm to 0.2mm pitch) and ultra fine adjustment screw has been used to refer to 100–508 TPI (0.2–0.05 mm pitch).

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Forge welding

Forge welding (FOW) is a solid-state welding process that joins two pieces of metal by heating them to a high temperature and then hammering them together.

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Forging is a manufacturing process involving the shaping of metal using localized compressive forces.

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Galvanic corrosion

Galvanic corrosion (also called bimetallic corrosion) is an electrochemical process in which one metal corrodes preferentially when it is in electrical contact with another, in the presence of an electrolyte.

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Galvanization or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting.

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Gender of connectors and fasteners

In electrical and mechanical trades and manufacturing, each half of a pair of mating connectors or fasteners is conventionally assigned the designation male or female.

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Gimlet (tool)

A gimlet is a hand tool for drilling small holes, mainly in wood, without splitting.

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Greek mathematics

Greek mathematics refers to mathematics texts and advances written in Greek, developed from the 7th century BC to the 4th century AD around the shores of the Eastern Mediterranean.

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Hammer drill

A hammer drill (or hammering drill) is a rotary drill with a hammering action.

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Heading (metalworking)

Heading is a metalworking process which incorporates the forging, extruding and upsetting process.

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Heat treating

Heat treating (or heat treatment) is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material.

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A helix, plural helixes or helices, is a type of smooth space curve, i.e. a curve in three-dimensional space.

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Hellenistic period

The Hellenistic period covers the period of Mediterranean history between the death of Alexander the Great in 323 BC and the emergence of the Roman Empire as signified by the Battle of Actium in 31 BC and the subsequent conquest of Ptolemaic Egypt the following year.

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Henry F. Phillips

Henry Frank Phillips (June 4, 1889 – April 13, 1958) was a U.S. businessman from Portland, Oregon.

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Henry Maudslay

Henry Maudslay (pronunciation and spelling) (22 August 1771 – 14 February 1831) was a British machine tool innovator, tool and die maker, and inventor.

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Hex key

A hex key, Allen key or Allen wrench is a tool used to drive bolts and screws with hexagonal sockets in their heads.

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In geometry, a hexagon (from Greek ἕξ hex, "six" and γωνία, gonía, "corner, angle") is a six-sided polygon or 6-gon.

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History of technology

The history of technology is the history of the invention of tools and techniques and is similar to other sides of the history of humanity.

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Hot-dip galvanization

Hot-dip galvanization is a form of galvanization.

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Ignition switch

An ignition switch, starter switch or start switch is a switch in the control system of a motor vehicle that activates the main electrical systems for the vehicle.

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Impact driver

An impact driver is a tool that delivers a strong, sudden rotational and downward force, often used by mechanics to loosen larger screws (bolts) and nuts that are corrosively "frozen" or over-torqued.

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Inclined plane

An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load.

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Insulator (electricity)

An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.

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An integer (from the Latin ''integer'' meaning "whole")Integer 's first literal meaning in Latin is "untouched", from in ("not") plus tangere ("to touch").

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Internal fixation

Internal fixation is an operation in orthopedics that involves the surgical implementation of implants for the purpose of repairing a bone, a concept that dates to the mid-nineteenth century and was made applicable for routine treatment in the mid-twentieth century.

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International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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International standard

International standards are standards developed by international standards organizations.

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ISO metric screw thread

The ISO metric screw threads are the worldwide most commonly used type of general-purpose screw thread.

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A jackshaft, also called a countershaft, is a common mechanical design component used to transfer or synchronize rotational force in a machine.

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James Nasmyth

James Hall Nasmyth (sometimes spelled Naesmyth, Nasmith, or Nesmyth) (19 August 1808 – 7 May 1890) was a Scottish engineer, philosopher, artist and inventor famous for his development of the steam hammer.

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Japanning is a type of finish that originated as a European imitation of Asian lacquerwork.

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Jargon is a type of language that is used in a particular context and may not be well understood outside that context.

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Jesse Ramsden

Jesse Ramsden FRS FRSE (6 October 1735 – 5 November 1800) was a British mathematician, astronomical and scientific instrument maker.

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John Peter Oleson

John Peter Oleson (born 1946) is a Canadian classical archaeologist and historian of ancient technology.

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Joseph Whitworth

Sir Joseph Whitworth, 1st Baronet (21 December 1803 – 22 January 1887) was an English engineer, entrepreneur, inventor and philanthropist.

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A knot is a method of fastening or securing linear material such as rope by tying or interweaving.

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Lead (engineering)

Lead is the axial advance of a helix or screw during one complete turn (360°) The lead for a screw thread is the axial travel for a single revolution.

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Line shaft

A line shaft is a power driven rotating shaft for power transmission that was used extensively from the Industrial Revolution until the early 20th century.

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Linkage (mechanical)

A mechanical linkage is an assembly of bodies connected to manage forces and movement.

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List of screw drives

A screw drive is a system used to turn a screw.

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Machine tool

A machine tool is a machine for shaping or machining metal or other rigid materials, usually by cutting, boring, grinding, shearing, or other forms of deformation.

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Machinery's Handbook

Machinery's Handbook for machine shop and drafting-room; a reference book on machine design and shop practice for the mechanical engineer, draftsman, toolmaker, and machinist (the full title of the 1st edition) is a classic reference work in mechanical engineering and practical workshop mechanics in one volume published by Industrial Press, New York, since 1914.

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Machining is any of various processes in which a piece of raw material is cut into a desired final shape and size by a controlled material-removal process.

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Major diameter

No description.

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Mass production

Mass production, also known as flow production or continuous production, is the production of large amounts of standardized products, including and especially on assembly lines.

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Mechanism (engineering)

A mechanism, in engineering, is a device that transforms input forces and movement into a desired set of output forces and movement.

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Mediterranean Sea

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.

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A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for precise measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers.

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A misnomer is a name or term that suggests an idea that is known to be wrong.

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A mnemonic (the first "m" is silent) device, or memory device, is any learning technique that aids information retention or retrieval (remembering) in the human memory.

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Mortise and tenon

A mortise (or mortice) and tenon joint is a type of joint that connects two pieces of wood or other material.

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Multi-jackbolt tensioner

Multi-jackbolt tensioners (MJT) provide an alternative to traditional bolted joints rather than needing to tighten one large bolt, MJTs use several smaller jackbolts to drastically reduce the torque required to attain a certain preload.

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Multiplication sign

The multiplication sign, also known as the times sign or the dimension sign, is the symbol ×. While similar to the lowercase letter x, the form is properly a rotationally symmetric saltire.

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Nail (fastener)

In woodworking and construction, a nail is a pin-shaped object of metal (or wood, called a tree nail or "trunnel") which is used as a fastener, as a peg to hang something, or sometimes as a decoration.

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Natural language

In neuropsychology, linguistics, and the philosophy of language, a natural language or ordinary language is any language that has evolved naturally in humans through use and repetition without conscious planning or premeditation.

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Nylon is a generic designation for a family of synthetic polymers, based on aliphatic or semi-aromatic polyamides.

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Olive oil

Olive oil is a liquid fat obtained from olives (the fruit of Olea europaea; family Oleaceae), a traditional tree crop of the Mediterranean Basin.

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P. L. Robertson

Peter Lymburner Robertson (December 10, 1879 – September 28, 1951) was a Canadian inventor, industrialist, salesman, and philanthropist who popularized the square-socket drive for screws, often called the Robertson drive.

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Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

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A pin is a device used for fastening objects or material together.

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Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that has numerous applications.

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A propeller is a type of fan that transmits power by converting rotational motion into thrust.

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In medicine, a prosthesis (plural: prostheses; from Ancient Greek prosthesis, "addition, application, attachment") is an artificial device that replaces a missing body part, which may be lost through trauma, disease, or congenital conditions.

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Punch (tool)

A punch is a hard metal rod with a sharp tip at one end and a blunt butt end at the other, which is usually struck by a hammer.

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Real versus nominal value

The distinction between real value and nominal value occurs in many fields.

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A retronym is a newer name for an existing thing that differentiates the original form or version from a more recent one.

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A rivet is a permanent mechanical fastener.

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Rockwell scale

The Rockwell scale is a hardness scale based on indentation hardness of a material.

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SAE 304 stainless steel

SAE 304 stainless steel is the most common stainless steel.

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SAE International

SAE International, initially established as the Society of Automotive Engineers, is a U.S.-based, globally active professional association and standards developing organization for engineering professionals in various industries.

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Scaffolding, also called scaffold or staging, is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other man made structures.

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A screw is a type of fastener, in some ways similar to a bolt (see Differentiation between bolt and screw below), typically made of metal, and characterized by a helical ridge, known as a male thread (external thread).

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Screw press

A screw press is a type of machine press in which the ram is driven up and down by a screw.

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Screw thread

A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force.

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Screw-cutting lathe

A screw-cutting lathe is a machine (specifically, a lathe) capable of cutting very accurate screw threads via single-point screw-cutting, which is the process of guiding the linear motion of the tool bit in a precisely known ratio to the rotating motion of the workpiece.

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A screwdriver is a tool, manual or powered, for screwing and unscrewing (inserting and removing) screws.

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Self-tapping screw

A self-tapping screw is a screw that can tap its own hole as it is driven into the material.

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Sennacherib was the king of Assyria from 705 BCE to 681 BCE.

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Set screw

A set screw is a type of screw generally used to secure an object within or against another object, normally not using a nut (see bolts compared with screws).

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Shearing (manufacturing)

Shearing, also known as die cutting, is a process which cuts stock without the formation of chips or the use of burning or melting.

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Simple machine

A simple machine is a mechanical device that changes the direction or magnitude of a force.

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Socket wrench

A socket wrench is a type of wrench or spanner that has a socket attached at one end, usually used to turn a fastener.

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Solder (or in North America) is a fusible metal alloy used to create a permanent bond between metal workpieces.

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Split pin

A split pin, also known in the United States as a cotter pin or cotter key, is a metal fastener with two tines that are bent during installation, similar to a staple or rivet.

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Staffordshire (abbreviated Staffs) is a landlocked county in the West Midlands of England.

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Stainless steel

In metallurgy, stainless steel, also known as inox steel or inox from French inoxydable (inoxidizable), is a steel alloy with a minimum of 10.5% chromium content by mass.

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Standards organization

A standards organization, standards body, standards developing organization (SDO), or standards setting organization (SSO) is an organization whose primary activities are developing, coordinating, promulgating, revising, amending, reissuing, interpreting, or otherwise producing technical standards that are intended to address the needs of a group of affected adopters.

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Steel is an alloy of iron and carbon and other elements.

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Steering column

The automotive steering column is a device intended primarily for connecting the steering wheel to the steering mechanism.

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Stephanie Dalley

Stephanie Mary Dalley FSA (née Page; March 1943) is a British scholar of the Ancient Near East.

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Swaging is a forging process in which the dimensions of an item are altered using dies into which the item is forced.

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Syndesmotic screw

A syndesmotic screw is a metal screw designed to replace the syndesmosis of the human body, usually temporarily.

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Tap and die

Taps and dies are tools used to create screw threads, which is called threading.

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A tariff is a tax on imports or exports between sovereign states.

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Technological convergence

This article describe science and technology convergence, with illustrations to convergence of emerging technologies (NBIC, nano-, bio-, info- and cognitive technologies) and convergence of media technology.

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Thread angle

The thread angle of a screw is the included angle between the thread flanks, measured in a plane containing the thread axis.

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Thread pitch gauge

A thread gauge, also known as a screw gauge or pitch gauge, is used to measure the pitch or lead of a screw thread.

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Threaded fastener

A threaded fastener is a discrete piece of hardware that has internal or external screw threads.

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Threaded insert

A threaded insert, also known as a threaded bushing, is a fastener element that is inserted into an object to add a threaded hole.

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Threaded rod

A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod.

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Threading (manufacturing)

Threading is the process of creating a screw thread.

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Timber framing

Timber framing and "post-and-beam" construction are traditional methods of building with heavy timbers, creating structures using squared-off and carefully fitted and joined timbers with joints secured by large wooden pegs.

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Titanium is a chemical element with symbol Ti and atomic number 22.

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Tool and die maker

Tool and die makers are a class of machinists in the manufacturing industries who make jigs, fixtures, dies, molds, machine tools, cutting tools, gauges, and other tools used in manufacturing processes.

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A toolroom is a room where tools are stored or, in a factory, a space where tools are made and repaired for use throughout the rest of the factory.

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Torx (pronounced), developed in 1967, Bernard F Reiland, "Coupling arrangement and tools for same", filed 1967-03-21 by Camcar Textron, is the trademark for a type of screw head characterized by a 6-point star-shaped pattern.

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Tripod (photography)

In photography, a tripod is used to stabilize and elevate a camera, a flash unit, or other photographic equipment.

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Tumble finishing

Tumble finishing, also known as tumbling or rumbling, is a technique for smoothing and polishing a rough surface on relatively small parts.

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Turret lathe

The turret lathe is a form of metalworking lathe that is used for repetitive production of duplicate parts, which by the nature of their cutting process are usually interchangeable.

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Ultimate tensile strength

Ultimate tensile strength (UTS), often shortened to tensile strength (TS), ultimate strength, or Ftu within equations, is the capacity of a material or structure to withstand loads tending to elongate, as opposed to compressive strength, which withstands loads tending to reduce size.

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Unified Thread Standard

The Unified Thread Standard (UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada.

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Unit price

Average prices represent, quite simply, total sales revenue divided by total units sold.

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United States

The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.

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United States Standard thread

United States Standard thread (USS thread), also known as Sellers Standard thread, Franklin Institute thread and American Standard thread, is a standard for inch based threaded fasteners and washers.

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Wall plug

A wall plug (UK English),In US English, a wall plug would likely be understood as an electric socket on a wall, although that is a misnomer as a socket is a device that accepts a plug.

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Washer (hardware)

A washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a Bolt or nut.

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Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.

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Winemaking or vinification is the production of wine, starting with the selection of the fruit, its fermentation into alcohol, and the bottling of the finished liquid.

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A wire is a single, usually cylindrical, flexible strand or rod of metal.

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Woodworking joints

Joinery is a part of woodworking that involves joining together pieces of timber or lumber, to produce more complex items.

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Work hardening

Work hardening, also known as strain hardening, is the strengthening of a metal or polymer by plastic deformation.

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A wrench is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.

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Yield (engineering)

The yield point is the point on a stress–strain curve that indicates the limit of elastic behavior and the beginning of plastic behavior.

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3D printing

3D printing is any of various processes in which material is joined or solidified under computer control to create a three-dimensional object, with material being added together (such as liquid molecules or powder grains being fused together).

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[1] https://en.wikipedia.org/wiki/Screw

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