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M8x20 Hex Set Screw HDG Class 4.6

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    ​​Terms and Conditions
     

    Internal Reference: SET08M20HDG4.6

    M8x20 Hex Set Screw HDG Class 4.6

    • ISO 4017 / AS1111.2
    • Hexagon Head
    • Fully Threaded
    • Metric Coarse
    • Hot Dipped Galvanised
    • Mild Steel Class 4.6


    		MinimumMaximum
    Thread Pitch1.25mm
    Body diameterD7.78mm8.00mm
    Width across flatsf
    		12.73mm13.00mm
    Across cornersh
    		14.38mm
    Head thicknessT5.15mm5.45mm
    Overall lengthL20mm

    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.