Security Wave Nuts

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Tamper resistant security Wave nuts

A premium security nut with unique design, ideal for the highest security applications. Requires special driver tool to install.

  • Unique patented head design makes this a highly secure tamper proof nut
  • Driver tools can be stamped for full traceability
  • Re-usable and permanent security nuts available
  • Manufactured in the UK by the patent holder

Tamper resistant Wave nuts are a patented security fixing suitable for high torque applications. Most commonly used on applications requiring a high security solution, they are generally manufactured as a 2-way fixing but are also available in a permanent version.

Premium security nuts

Security Wave nuts have a unique design with varying angles and radii that resist against grips such as pliers.

Installed and removed using a special security Wave tool, which can be stamped and registered with a customer specific reference number. This ensures that, when used on site, each individual tool can be tracked and the personnel using the tool can also be registered against the tool for further traceability. The distribution of the tool is also restricted, so that only manufacturers and installers who have purchased the screws and have the registration number can purchase additional tools. Under no circumstances will tools be sold separately to ‘non-account’ customers.

These steel manufactured nuts can also be case hardened, which further enhances the security of the nut as it helps prevent hack sawing or chiselling the nut off. The case hardening process also provides the security Wave nut with up to 30% more torque.

Available from stock in A2 stainless steel sizes M3 to M30, with other materials (A4 stainless steel, mild steel, high tensile steel and plastic) available to order – limited sizes often available from stock. Imperial threads are also available on request.

Special security Wave nuts can be made to order including various pitches in both small and large volume.

Material / Size M3 M4 M5 M6 M8 M9 M10 M12 M16 M20 M24 M30
A2 Stainless Steel
Other Sizes / Materals Available To Order

Wave nut technical drawing

M3 M4 M5 M6 M8 M9 M10 M12 M16 M20 M24 M30
K 3.2 3.2 4.2 5.5 6.4 7.2 7.2 8.7 11.0 12.8 14.2
DK 7.9 7.9 9.5 12.7 15.8 19.0 19.0 22.2 28.5 34.9 38.0
MAX TORQUE 7 N/M 8 N/M 10 N/M 12 N/M 35 N/M 50 N/M 50 N/M 65 N/M 75 N/M 85 N/M 120 N/M

*For guidance purposes only

Wave Security Nut Rotation

Wave Security Nut and Bolt Assembly

Wave Security Nut and Bolt Assembly Rotation

Wave NutWave BoltWave Bolt and Nut Assembled