watch screw thread


watch screw thread
noun
: a screw thread sometimes used in American watches and having a V profile with a 45-degree included angle for nickel and brass and a 60-degree included angle for steel

Useful english dictionary. 2012.

Look at other dictionaries:

  • Screw machine — A screw machine is a metalworking machine used in the high volume manufacture of turned components.In operation, a screw machine is similar to a lathe. Essentially a screw machine is an automated turret lathe.Screw machines have been replaced by… …   Wikipedia

  • Lathe — A lathe (pronEng|ˈleɪð) is a machine tool which spins a block of material to perform various operations such as cutting, sanding, knurling, drilling, or deformation with tools that are applied to the workpiece to create an object which has… …   Wikipedia

  • Linear actuator — TOC A linear actuator is a device that develops force and motion, from an available energy source, in a linear manner, as opposed to rotationally like an electric motor. There are various methods of achieving this linear motion. Several different …   Wikipedia

  • Mainspring — For the 2007 novel by Jay Lake, see Mainspring (novel). An uncoiled modern watch mainspring …   Wikipedia

  • he|lix — «HEE lihks», noun, plural hel|i|ces, he|lix|es. 1. anything having a spiral, coiled form. A screw thread, a watch spring, or a snail shell is a helix. 2. Architecture. a) a spiral ornament …   Useful english dictionary

  • 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

  • spring — springlike, adj. /spring/, v., sprang or, often, sprung; sprung; springing; n., adj. v.i. 1. to rise, leap, move, or act suddenly and swiftly, as by a sudden dart or thrust forward or outward, or being suddenly released from a coiled or… …   Universalium

  • List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… …   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

  • The Rifleman — infobox television show name = The Rifleman format = Western picture format = Black and white runtime = 30 minutes starring = Chuck Connors Johnny Crawford Paul Fix country = United States network = ABC first aired = September 30, 1958 last aired …   Wikipedia


We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.