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  2. 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, 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.

  3. National pipe thread - Wikipedia

    en.wikipedia.org/wiki/National_pipe_thread

    NPT is defined by ANSI/ASME standard B1.20.1. [4] The taper rate for all NPT threads is 1 inch of diameter in 16 ... Tap drill; Length L 1 Turns Diameter E 1 Length L 2

  4. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    The diameter of auger bits for hand braces is commonly expressed by a single number, indicating the size in 16ths of an inch. For example, #4 is 4/16 or 1/4 in (6 mm), #6 is 6/16 or 3/8 in (9 mm), #9 is 9/16 in (14 mm), and #16 is 16/16 or 1 in (25 mm). Sets commonly consist of #4-16 or #4-10 bits.

  5. Tap and die - Wikipedia

    en.wikipedia.org/wiki/Tap_and_die

    where is the tap drill size, is the major diameter of the tap (e.g., 10 mm for a M10×1.5 tap), and pitch is the pitch of the thread (1.5 mm in the case of a standard M10 tap) and so the correct drill size is 8.5 mm. This works for both fine and coarse pitches, and also produces an approximate 75% thread.

  6. British Standard Whitworth - Wikipedia

    en.wikipedia.org/wiki/British_Standard_Whitworth

    From 14 in up to 1 + 1 ⁄ 2 in, thread pitch is the same in both systems except that the thread pitch for the 1 ⁄ 2 in bolt is 12 threads per inch (tpi) in BSW versus 13 tpi in the UNC. Thread form

  7. Serve Ree's Cheddar Biscuits With All Your Holiday Meals

    www.aol.com/serve-rees-cheddar-biscuits-holiday...

    3 1/4 c. all-purpose flour, plus more for dusting 1/3 c. Put the cold butter and shortening in a bowl in the freezer. Preheat the oven to 450˚. Line a baking sheet with parchment paper. Combine ...

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