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  2. ASTM F568M - Wikipedia

    en.wikipedia.org/wiki/ASTM_F568M

    This standard defines property classes, the metric equivalent of a screw grade, that are almost identical to those defined by ISO 898-1, [2] except for the addition of the 8.8.3 and 10.9.3 classes. These two additional standards are fasteners that have the same mechanical properties as their base property class (i.e. 8.8 and 10.9), but are made ...

  3. ISO 898 - Wikipedia

    en.wikipedia.org/wiki/ISO_898

    Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm [8] With exception to part 7, which defines test standards, the parts of this standard define properties for fasteners made of carbon steel and alloy steel .

  4. British Association screw threads - Wikipedia

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

    The design was first proposed by the British Association in 1884 [1] [2] with a thread angle and depth based on the Swiss Thury thread, [3] it was adopted by the Association in 1903. The Thury thread was different in that it went both positive and negative all the way up to a size of −20 which was 75.2 mm diameter by 8.23 mm pitch (p). The ...

  5. Unified Thread Standard - Wikipedia

    en.wikipedia.org/wiki/Unified_Thread_Standard

    It is the main standard for bolts, nuts, and a wide variety of other threaded fasteners used in these countries. It has the same 60° profile as the ISO metric screw thread , but the characteristic dimensions of each UTS thread (outer diameter and pitch) were chosen as an inch fraction rather than a millimeter value.

  6. List of screw and bolt types - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_and_bolt_types

    An elevator bolt is a similar to a carriage bolt, except the head (or foot, depending on the application) is thin and flat. There are many variations. [11] Elevator bolts are designed to be used for leveling appliances or furniture. eye bolt: An eye bolt is a bolt with a looped head.

  7. ASTM A325 - Wikipedia

    en.wikipedia.org/wiki/ASTM_A325

    ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from 1 ⁄ 2 to 1 + 1 ⁄ 2 inches (13 to 38 mm) in diameter. [1]

  8. British Standard Whitworth - Wikipedia

    en.wikipedia.org/wiki/British_Standard_Whitworth

    Two spanners, both nominal size 58 in, with a diagram superimposed to show the logic that allows them both to be nominal size 58 in when their actual sizes are clearly different (across-flats distance vs screw diameter). The across-flats definition is the common standard today, and has been for many decades.

  9. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    M5 to M39 hexagon nuts; style 1; product grade C (modified version of ISO 4034) Withdrawn: DIN EN ISO 4034: ISO 4034: DIN 975: Threaded rods: Withdrawn: DIN 976-1, DIN 976-2: DIN 976-1: Metric thread stud bolts: Active: DIN 976-2: Metric interference-fit thread stud bolts: Active: DIN 977: Hexagon weld nuts with flange: Withdrawn: DIN EN ISO ...

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