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  2. Width across flats - Wikipedia

    en.wikipedia.org/wiki/Width_across_flats

    Width across flats is the distance between two parallel surfaces on the head of a screw, bolt or nut. The width across flats will define the size of the spanner or wrench needed. The width across flats will define the size of the spanner or wrench needed.

  3. British Standard Whitworth - Wikipedia

    en.wikipedia.org/wiki/British_Standard_Whitworth

    Two spanners, both nominal size 5 ⁄ 8 in, with a diagram superimposed to show the logic that allows them both to be nominal size 5 ⁄ 8 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. The larger spanner in this ...

  4. Boundary layer thickness - Wikipedia

    en.wikipedia.org/wiki/Boundary_layer_thickness

    The boundary layer thickness, , is the distance normal to the wall to a point where the flow velocity has essentially reached the 'asymptotic' velocity, .Prior to the development of the Moment Method, the lack of an obvious method of defining the boundary layer thickness led much of the flow community in the later half of the 1900s to adopt the location , denoted as and given by

  5. WAF - Wikipedia

    en.wikipedia.org/wiki/WAF

    Width across flats, the distance between the two flats of a wrench (UK: spanner) or socket; Wife acceptance factor (or wife approval factor or wife appeal factor), a colloquialism used in discussions related to hi-fi and home theater equipment, home automation

  6. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    across corners: Commonly used when measuring the corners of a hex drive, such as a hex nut. AF: across flats: Commonly used when measuring the flat surfaces of a hex drive, such as a hex nut. AFF above finished floor A dimension that establishes a distance away from the finished floor.

  7. Trainers Say This Beginner-Friendly Gym Machine Will Help You ...

    www.aol.com/trainers-beginner-friendly-gym...

    Position barbell around mid-shin height and grip it with an underhand grip, hands slightly wider than shoulder-width. Hinge at hips with a flat back and knees slightly bent, keeping torso at a 45 ...

  8. Rithm Capital (RITM) Q4 2024 Earnings Call Transcript - AOL

    www.aol.com/rithm-capital-ritm-q4-2024-160013811...

    Image source: The Motley Fool. Rithm Capital (NYSE: RITM) Q4 2024 Earnings Call Feb 06, 2025, 8:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...

  9. British Association screw threads - Wikipedia

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

    The major diameter is given by 6p 1.2, [4]: 12 rounded to two significant figures in mm and the hex head size (across the flats) is 1.75 times the major diameter. BA sizes are specified by the following British Standards: BS 57:1951 — B.A. screws, bolts and nuts