Pin plugs are designed to be hammered into the drive part of metric hex machine screws, effectively rendering them unremoveable. As such they convert a normal hex screw, into a one way 'security' screw.

• M10 size, to suit M16 hex screws
• SS304 construction
• Hammer pinplugs into the hex drive using a standard hammer. No special tools required.
• Once inserted, pin plugs cannot be removed.

Tufnut Security Nuts are engineered for maximum tamper resistance. These nuts have a galvanised finish. Tufnuts can be installed using regular tools, and are reusable.

• M12
• Galvanised finish

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.

• M8 Galvanised