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2. Seng Heng Engineering - Wikipedia

   en.wikipedia.org/wiki/Seng_Heng_Engineering

   Seng Heng Engineering is a small and medium enterprise in Singapore, providing fasteners, turnkey machining and corrosion resistant coating products globally. History. In 1945 , Seng Heng Engineering started as Seng Heng Iron Works producing nuts and bolts in Chinatown, Singapore. It was founded by Lau Kum Kuan.

3. Norbar Torque - Wikipedia

   en.wikipedia.org/wiki/Norbar_Torque

   Since 1996 Norbar has been establishing overseas offices for the purpose of product distribution and service. Norbar Torque Tools Pty. Ltd in Australia was the first and was then followed by the United States, New Zealand, Singapore and China. On 1 January 2012, Norbar's wholly owned trading and service company opened for business in Mumbai, India.

4. Fastener - Wikipedia

   en.wikipedia.org/wiki/Fastener

   A fastener (US English) or fastening (UK English) [ 1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. [ 2] Steel fasteners are usually made of stainless ...

5. Screw mechanism - Wikipedia

   en.wikipedia.org/wiki/Screw_mechanism

   Screw mechanism. Animation showing the operation of a screw. As the screw shaft rotates, the nut moves linearly along the shaft. This is a type called a lead screw. A machine used in schools to demonstrate the action of a screw, from 1912. It consists of a threaded shaft through a threaded hole in a stationary mount.

6. Bolt (fastener) - Wikipedia

   en.wikipedia.org/wiki/Bolt_(fastener)

   Bolt (fastener) A bolt is an externally helical threaded fastener that fastens objects with unthreaded holes together. This is done by applying a twisting force ( torque) to a matching nut. The bolt has an external male thread requiring a matching nut with a pre-formed female thread. [ 1] Unlike a screw, which holds objects together by the ...

7. Unified Thread Standard - Wikipedia

   en.wikipedia.org/wiki/Unified_Thread_Standard

   Unified Thread Standard. The Unified Thread Standard ( UTS) defines a standard thread form and series—along with allowances, tolerances, and designations—for screw threads commonly used in the United States and Canada. It is the main standard for bolts, nuts, and a wide variety of other threaded fasteners used in these countries.