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2. Tap and die - Wikipedia

   en.wikipedia.org/wiki/Tap_and_die

   Taps and dies are tools used to create screw threads, which is called threading. Many are cutting tools; others are forming tools. A tap is used to cut or form the female portion of the mating pair (e.g. a nut). A die is used to cut or form the male portion of the mating pair (e.g. a bolt).

3. List of drill and tap sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

   Schematic of a machine tap. Below is a comprehensive drill and tap size chart for all drills and taps: Inch, imperial, and metric, up to 36.5 millimetres (1.44 in) in diameter. In manufactured parts, holes with female screw threads are often needed; they accept male screws to facilitate the building and fastening of a finished assembly.

4. Screw thread - Wikipedia

   en.wikipedia.org/wiki/Screw_thread

   For imperial, H or L limits are used which designate how many units of 0.0005 inch over or undersized the pitch diameter is from its basic value, respectively. Thus a tap designated with an H limit of 3, denoted H3 , would have a pitch diameter 0.0005 × 3 = 0.0015 inch larger than base pitch diameter and would thus result in cutting an ...

5. British Association screw threads - Wikipedia

   en.wikipedia.org/wiki/British_Association_screw...

   In the UK, 2BA threads are commonly found in the old imperial British Engineering Standards Association (BESA) conduit boxes, and 4BA threads in light switch and socket back boxes which are still in use (but not installed) today.

6. British Standard Whitworth - Wikipedia

   en.wikipedia.org/wiki/British_Standard_Whitworth

   British Standard Whitworth (BSW) is an imperial-unit-based screw thread standard, devised and specified by Joseph Whitworth in 1841 and later adopted as a British Standard. It was the world's first national screw thread standard, and is the basis for many other standards, such as BSF , BSP , BSCon , and BSCopper .

7. The Best Things Our Editors Ate This Year - AOL

   www.aol.com/best-things-editors-ate-202209192.html

   Griddled Cheeseburger The Project Lounge, Biloxi, MS "The place is tucked away off the Biloxi strip, over the tracks from the casino chaos. There are no windows, and barely any light inside—it's ...