1-1/4x3-1/2 UNC Hex Set Screw Zinc Grade 8

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    Internal Reference: SET114U312ZP8

    1-1/4x3-1/2 UNC Hex Set Screw Zinc Grade 8

    • AS2465
    • Hex Head
    • Fully Threaded
    • Unified Coarse Thread
    • Steel Zinc Plated CR+3
    • High Tensile Grade 8


    MinimumMaximum
    Threads per inch6 tpi
    D - Body diameter1 1/4"
    1.2390
    1.2500
    f - Across flats 1 7/8"
    1.81201.8750
    h - Across corners 

    2.1650
    T - Head thickness 
    0.74900.8130
    L - Overall length 3 1/2"


    ** All dimensions are in inches

    Hex Set Screws is the term used for what is effectively a fully threaded hexagon head bolt which doesn't contain a shank (plain or unthreaded section). Although set screws can be used with a nut, typically they will be used in applications where they are threaded directly into something containing a matching pre-threaded hole such as a machinery component. The hex head set screw is designed to be tightened/removed with a suitably fitted wrench, spanner, socket or other hex driver.