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  2. Preferred metric sizes - Wikipedia

    en.wikipedia.org/wiki/Preferred_metric_sizes

    The ISO 2848 basic module is a unit of 100 mm, often represented by a single capital "M", along with 300 mm and 600 mm groupings, that is widely used for the widths of furniture in Europe. A standard metric (concrete) block is 190 mm wide, 390 mm long, and 190 mm high, which allows for 10 mm mortar joints in between bricks, giving a standard ...

  3. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted. See the ISO 3166-3 standard for former country codes.

  4. ISO metric screw thread - Wikipedia

    en.wikipedia.org/wiki/ISO_metric_screw_thread

    A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by a dash or sometimes the multiplication sign, × (e.g. M8-1.25 or M8×1.25). If the pitch is the normally used "coarse" pitch listed in ISO 261 or ...

  5. Template:ISO 3166 conversion template doc - Wikipedia

    en.wikipedia.org/wiki/Template:ISO_3166...

    This template is part of a series that resolves the country and subdivision names to ISO 3166-1 and ISO 3166-2 codes, and vice versa. ISO 3166 defines names, two and three letter codes and code numbers for all countries and six character codes (the two letter country code followed by a dash and a two or three character subdivision code) for all top level subdivisions.

  6. Template:Country name - Wikipedia

    en.wikipedia.org/wiki/Template:Country_name

    This template is part of a series that resolves the country and subdivision names to ISO 3166-1 and ISO 3166-2 codes, and vice versa. ISO 3166 defines names, two and three letter codes and code numbers for all countries and six character codes (the two letter country code followed by a dash and a two or three character subdivision code) for all top level subdivisions.

  7. Unified Thread Standard - Wikipedia

    en.wikipedia.org/wiki/Unified_Thread_Standard

    The standard designation for a UTS thread is a number indicating the nominal (major) diameter of the thread, followed by the pitch measured in threads per inch.For diameters smaller than ⁠ 1 / 4inch, the diameter is indicated by an integer number defined in the standard; for all other diameters, the inch figure is given.

  8. ISO 3166-1 numeric - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_numeric

    ISO 3166 Maintenance Agency, International Organization for Standardization (ISO) Standard Country or Area Codes for Statistical Use, United Nations Statistics Division Countries or areas, codes and abbreviations — list of alpha-3 and numeric codes (a few territories officially assigned codes in ISO 3166-1 are not included in this list)

  9. List of drill and tap sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_drill_and_tap_sizes

    Example (inch, fine): For 7 ⁄ 16-20 (same diameter as the previous example, but this time with 20 threads per inch, which is considered fine), 0.437 in × 0.90 = 0.393 in (i.e., if the threads are to be fine, then a slightly larger diameter drill bit should be used before tapping the hole for the screw).