5/16" UNC x 2 1/2" Hexagon Bolts, Self Colour Steel 8.8

    Description

    Built for grip, strength, and no-nonsense performance, these 5/16" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching.

    • Thread Type: 5/16" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials
    • Head Type: Hexagon – easy to tighten with standard tools
    • Material: High tensile steel
    • Grade: 8.8 – strong, durable, and built for load-bearing applications
    • Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required

    UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for:

    • Construction and structural work
    • Heavy-duty machinery
    • Automotive applications
    • General engineering and maintenance

    5/16" UNC x 2 1/2" Hexagon Bolts, Self Colour Steel 8.8

      Product form

      150 in stock

      £0.32 Excl. VAT

      Free pickup in SY10 0BZ

      SKU: S-HEXBOLT-5/16UNC-21/2

      • Want this tomorrow? Order within: Jun 17, 2026 14:00:00 +0100
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        Description

        Built for grip, strength, and no-nonsense performance, these 5/16" UNC Hexagon Bolts are the dependable backbone of countless fastening jobs. With a coarse thread and high tensile Grade 8.8 steel construction, they’re made to handle tough environments without flinching.

        • Thread Type: 5/16" UNC (Unified National Coarse) – fast assembly and excellent performance in softer materials
        • Head Type: Hexagon – easy to tighten with standard tools
        • Material: High tensile steel
        • Grade: 8.8 – strong, durable, and built for load-bearing applications
        • Finish: Self colour (plain/oiled) – ideal for internal use or where coating is not required

        UNC coarse threads are designed for quick engagement and better resistance to stripping, making them perfect for:

        • Construction and structural work
        • Heavy-duty machinery
        • Automotive applications
        • General engineering and maintenance

        Measurements: Every effort has been made to ensure all measurements on our site are accurate and to the relevant standard; they should only be used as a guide. If you see a problem with our specifications please contact us.

        Dimensions: Our stock is sourced from various suppliers, therefore differences may exist between batches such as height, width, visible stamped markings, appearance or actual finish.

        Photos: All photos are for illustration purposes only. Actual product or packaging may vary due to product enhancement.

        Disclaimer: Technical data and specifications were researched and compiled from numerous industry sources for the sole purpose of providing basic information. All material is advisory only and its use by anyone is entirely voluntary. Reliance on it for any purpose by anyone is at the sole risk of that person, and Frank's Fasteners is not responsible for any loss, claim or damages arising therefrom. In developing this information, Frank's Fasteners has made a determined effort to present it accurately.

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