Security Nuts

Armour Rings feature a simple collar which can be hammered over any standard hex bolt, providing a high level of security as once applied there is no removal tool available. Simply tap into place with a hammer.

Armour rings can be applied to any existing fasteners, providing a retrofittable option to enhance security.

• M12 Stainless (SS304)

Armour Rings feature a simple collar which can be hammered over any standard hex bolt, providing a high level of security as once applied there is no removal tool available. Simply tap into place with a hammer.

Armour rings can be applied to any existing fasteners, providing a retrofittable option to enhance security.

• M6 Stainless (SS304)

Armour Rings feature a simple collar which can be hammered over any standard hex bolt, providing a high level of security as once applied there is no removal tool available. Simply tap into place with a hammer.

Armour rings can be applied to any existing fasteners, providing a retrofittable option to enhance security.

• M8 Galvanised

Endeavour shearnuts offer a one way non-removeable security nut solution. The shearnut head is designed to shear leaving a cone nut. The cone nut has sloping sides which are unable to be gripped with pliers, making it a one way security solution.

• Zinc plated shearnut
• 1/2" UNC

Endeavour shearnuts offer a one way non-removeable security nut solution. The shearnut head is designed to shear leaving a cone nut. The cone nut has sloping sides which are unable to be gripped with pliers, making it a one way security solution.

• Zinc plated shearnut
• 1/4" UNC thread

Engineered for high-security applications, this CNC machined shearnut is made d from high-grade steel and finished with a corrosion-resistant zinc plating.

Once tightened, the hex portion shears off at a predetermined torque, leaving a smooth, conical surface that cannot be gripped with standard tools.

• Zinc plated shearnut
• 3/8" UNC

• Zinc plated shearnut
• High torque (58-60Nm shear torque)
• M10 thread

• Zinc plated shearnut
• High shear torque: 75Nm
• M12 thread

Endeavour shearnuts offer a one way non-removeable security nut solution. The shearnut head is designed to shear leaving a cone nut. The cone nut has sloping sides which are unable to be gripped with pliers, making it a one way security solution.

• Zinc plated shearnut
• High torque
• M24 thread

Endeavour shearnuts offer a one way non-removeable security nut solution. The shearnut head is designed to shear leaving a cone nut. The cone nut has sloping sides which are unable to be gripped with pliers, making it a one way security solution.

• Zinc plated shearnut
• Shear torque: 5-9Nm
• M5 thread

Endeavour shearnuts offer a one way non-removeable security nut solution. The shearnut head is designed to shear leaving a cone nut. The cone nut has sloping sides which are unable to be gripped with pliers, making it a one way security solution.

• Zinc plated shearnut
• High shear torque (15-17Nm)
• M6 thread

Tufnut Security Nuts are engineered for maximum tamper resistance. Case hardened steel nuts which can be installed using regular tools, and are reusable.

• 5/16-18-UNC
• Chloride Zinc / Yellow Chromate plated

Tufnut Security Nuts are engineered for maximum tamper resistance. Case hardened steel nuts which can be installed using regular tools, and are reusable.

• M10
• Chloride Zinc / Yellow Chromate plated

Tufnut Security Nuts are engineered for maximum tamper resistance. Case hardened steel nuts which can be installed using regular tools, and are reusable.

• M12
• Chloride Zinc / Yellow Chromate plated

Tufnut Security Nuts are engineered for maximum tamper resistance. Case hardened steel nuts which can be installed using regular tools, and are reusable.

• M6
• Chloride Zinc / Yellow Chromate plated

Tufnut Security Nuts are engineered for maximum tamper resistance. Case hardened steel nuts which can be installed using regular tools, and are reusable.

• M8
• Chloride Zinc / Yellow Chromate plated