- left-hand screw thread
- noun
: a screw thread whose helix moves upward when the screw is inserted vertically from above in a fixed mating thread and turned clockwise
Useful english dictionary. 2012.
left-hand screw thread
Look at other dictionaries:
Screw thread — Internal and external threads illustrated using a common nut and bolt. The screw and nut pair can be used to convert torque into linear force. As the screw (or bolt) is rotated, the screw moves along its axis through the fixed nut, or the non… … Wikipedia
left-handed — left handedly, adv. left handedness, n. /left han did/, adj. 1. having the left hand more dominant or effective than the right; preferably using the left hand: a left handed pitcher. 2. adapted to or performed by the left hand: a left handed… … Universalium
left-handed — left′ hand′ed adj. 1) having the left hand more dominant or effective than the right; preferably using the left hand: a left handed pitcher[/ex] 2) adapted to or performed by the left hand: a left handed tool; a left handed tennis serve[/ex] 3)… … From formal English to slang
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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
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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
hand — handlike, adj. /hand/, n. 1. the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb. 2. the corresponding part of the forelimb in any of the higher vertebrates. 3 … Universalium
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British standard pipe thread — The British Standard Pipe thread (BSP thread) is a family of standard screw thread types that has been adopted internationally for interconnecting and sealing pipe ends by mating an external (male) with an internal (female) thread.TypesTwo types… … Wikipedia
