Tufnuts®

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What are Tufnuts®?
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    Thread Size
    Nut Width A/F (A)
    Nut Thickness (T)
    Material
    Finish
    1 - 4 of 4 products in Tufnuts®.

    M10 Security Tufnuts™ - Bright Zinc Plated Case Hardened Steel

    Thread SizeM10 (10mm)
    Nut Width A/F (A)26mm
    Nut Thickness (T)7.4mm
    MaterialCase Hardened Steel
    FinishBright Zinc Plated
    Offline Exclusive:
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    Manufactured For Your Order 60 Days

    M12 Security Tufnuts™ - Bright Zinc Plated Case Hardened Steel

    Thread SizeM12 (12mm)
    Nut Width A/F (A)31mm
    Nut Thickness (T)7.7mm
    MaterialCase Hardened Steel
    FinishBright Zinc Plated
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    Manufactured For Your Order 60 Days

    M6 Security Tufnuts™ - Bright Zinc Plated Case Hardened Steel

    Thread SizeM6 (6mm)
    Nut Width A/F (A)26mm
    Nut Thickness (T)7.4mm
    MaterialCase Hardened Steel
    FinishBright Zinc Plated
    Offline Exclusive:
    Get A Quote.
    Manufactured For Your Order 60 Days

    M8 Security Tufnuts™ - Bright Zinc Plated Case Hardened Steel

    Thread SizeM8 (8mm)
    Nut Width A/F (A)26mm
    Nut Thickness (T)7.4mm
    MaterialCase Hardened Steel
    FinishBright Zinc Plated
    Offline Exclusive:
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    Manufactured For Your Order 60 Days

    Tufnuts®

    What are Tufnuts®?

    Tufnuts® are a patented 2-Way Security Nut by Hafren Security fasteners. Whilst they require no specialist tooling to install, being able to be fastened with a standard spanner, they do require a second Tufnut® to be used during their unique installation or removal process.

    To install, the first Tufnut is tightened by hand onto the bolt or screw, so that the flat edge of the tamper resistant nut is sat on the surface of the object. A second Tufnut, turned upside down is threaded down to the first Tufnut before loosening off slightly. Using a spanner to grip both Tufnuts together, the primary Tufnut can then be tightened to the desired torque before removing the top nut.

    Owing to the unique angle shape and smooth edges of the Tufnut, this provides an increased resistance to vandalism and tampering, making this type of component an ideal choice for applications such as securing street signage and property protection.

    For an alternative, higher security solution, Accu also lists 1-Way permanent fixings such as Shear Nuts or Kinmar Permanent Nuts.

    Materials

    Tufnuts are available from Accu in Bright Zinc Plated Steel (Cr3) with a hardened heat treatment.

    Sizes

    Tufnuts are available in Type 1 (square shape) in thread sizes M6, M8 and M10 or in Type 2 (hexagon shape) in M12 thread diameter.


    Bespoke Tufnuts® Manufacture

    High precision, bespoke manufacture of Tufnuts® to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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