thread — [1] The spiral grooves on a screw, bolt, or nut. See left hand thread right hand thread. [2] helical groove in a cylindrical hole, nut, etc., formed a tap or lathe tool (female or internal thread). See B thread buttressed thread class A thread… … Dictionary of automotive terms
Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… … Wikipedia
Die head — with various chasers A die head is a threadi … Wikipedia
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
Bolted joint — Bolted joints are one of the most common elements in construction and machine design. They consist of cap screws or studs that capture and join other parts, and are secured with the mating of screw threads.There are two main types of bolted joint … Wikipedia
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
Mechanical advantage device — Beam balanced around a fulcrum A simple machine that exhibit mechanical advantage is called a mechanical advantage device e.g.: Lever: The beam shown is in static equilibrium around the fulcrum. This is due to the moment created by vector force A … Wikipedia
metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… … Universalium
Hose clamp — A hose clamp or hose clip is a device used to attach and seal a hose onto a fitting such as a barb or nib. A hose clamp is not the same as a pipe clamp which is a clamp made partly out of a pipe, not a clamp for clamping pipe. TypesMany types are … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium