cross-recess for screw

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• Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

• List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …   Wikipedia

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …   Wikipedia

• Anchor — For other uses, see Anchor (disambiguation). Ploudalmézeau, anchor of Amoco Cadiz An anchor is a device, normally made of metal, that is used to connect a vessel to the bed of a body of water to prevent the vessel from drifting due to wind or… …   Wikipedia

• Milk — For other uses, see Milk (disambiguation). Foremilk and Hindmilk samples of human breast milk …   Wikipedia

• Orders, decorations, and medals of Bulgaria — Orders, decorations and medals of Bulgaria are regulated by the law on the Orders and Medals of the Republic Of Bulgaria of 29 May 2003. The National Military History Museum Of Bulgaria in Sofia currently has over 150 Bulgarian Orders in the… …   Wikipedia

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• Rail fastening system — Elements of a baseplate based rail fastening system 1. Screw for fixing plate to sleeper 2. Elastomeric pad supporting rail 3. Tension washer 4. Rail clamp 5. Tensioning bolt (nut not shown) 6. Baseplate …   Wikipedia

• Bob Fingerman — (born August 25, 1964) is an American comic book writer/artist born in Queens, New York.Best known for his comic series Minimum Wage (Fantagraphics Books), Fingerman’s contributions to the world of comic books have been many and varied.In 1984,… …   Wikipedia

• Shimano — Shimano, Inc. Type Public Industry cycling components, fishing tackle, snowboarding equipment Founded February, 1921 …   Wikipedia