round-head bolt

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• round head bolt — A general term including carriage bolts, cup head bolts, and mushroom head bolts …   Dictionary of automotive terms

• head bolt — See cylinder head bolt octagonal head bolt round head bolt …   Dictionary of automotive terms

• bolt — A securing device upon which a nut is threaded. It usually has a nut type head. It is usually measured not so much by the size of the wrench required to secure the bolt; but by the diameter of the threads, the thread pitch, the length of the bolt …   Dictionary of automotive terms

• head — [1] The upper part of something. [2] A term used to express the increase of energy content in a fluid pumped, expressed in units of energy per unit of mass, usually simply ft (feet). [3] A part of the engine which covers the piston and creates… …   Dictionary of automotive terms

• bolt|head — «BOHLT HEHD», noun. 1. the head of a bolt. 2. (formerly) a round or oval matrass …   Useful english dictionary

• Bolt action — The term bolt action refers to a type of firearm action in which the weapon s bolt is operated manually by the opening and closing of the breech with a small handle, most commonly placed on the right hand side of the weapon. As the handle is… …   Wikipedia

• bolt action — Type of breech mechanism that was key to developing an effective repeating rifle. It combines the firing pin, a spring, and an extractor, all housed in or attached to the bolt. A projecting handle with a round knob moves the bolt back and forth.… …   Universalium

• Bolt manufacturing process — The bolt manufacturing process consists of three stages: * Heading * Thread rolling * Blackening Heading This initial process is a cold forging process (called heading ) used to produce a near net shape work billet. An important consideration in… …   Wikipedia

• bolt — bolt1 bolter, n. boltless, adj. boltlike, adj. /bohlt/, n. 1. a movable bar or rod that when slid into a socket fastens a door, gate, etc. 2. the part of a lock that is shot from and drawn back into the case, as by the action of the key. 3. any… …   Universalium

• bolt — I. noun Etymology: Middle English, from Old English; akin to Old High German bolz crossbow bolt, and perhaps to Lithuanian beldėti to beat Date: before 12th century 1. a. a shaft or missile designed to be shot from a crossbow or catapult;… …   New Collegiate Dictionary

• Usain Bolt — Bolt at Berlin World Championships 2009 Personal information …   Wikipedia