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  3. M20x525 Hex Bolt HDG Class 4.6
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M20x525 Hex Bolt HDG Class 4.6

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    Internal Reference: BLT20M525HDG4.6

    Bolt Dimensions Image


    M20x525 Hex Bolt HDG Class 4.6

    • ISO 4014 / AS1111.1
    • Hex Head
    • Partially Threaded Metric Coarse
    • Mild Steel Class 4.6
    • Hot Dipped Galvanised


    		MinimumMaximum
    Thread Pitch2.50mm
    Body diameterD19.67mm20.00mm
    Width across flatsf
    		29.67mm30.00mm
    Across cornersh
    		33.53mm
    Head thicknessT12.28mm12.72mm
    Overall lengthL525mm
    Thread lengthc
    		65mm

    Hex Head Bolts are usually partially threaded containing a plain, unthreaded section commonly known as a shank. They are identifiable by their six-sided head, which is designed to be tightened or loosened using a wrench or socket. Hexagon head bolts are commonly used in construction, automotive, and manufacturing industries. They can be used to secure two or more objects together, such as in structural applications, or to attach components to machinery or vehicles. Due to their strength and durability, hex head bolts are a popular choice for heavy-duty applications.

    Dimensions are indicative only. Confirmation prior to ordering is advised if any of these dimensions are of critical importance to your application.