01 September 2012
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Innovative tamper-proofing for sensitive equipment

A new tamper-proof fastener system provides maximum security and cannot be loosened using conventional means.

The product has been developed to protect highly sensitive equipment against unauthorised access, which is becoming more and more common in today's economic climate.

According to its maker, the system eliminates supplementary assembly and security material, while ensuring it is interchangeable with existing fastener systems. Using special fasteners to secure sensitive equipment has been common practice for many years. And a wide variety of more or less practical solutions have been devised, which led Arnold Umformtechnik, a manufacturer of innovative fastener systems to develop the LocTec screw drive.

This system combines special screw drive geometry with its own assembly tool, making it impossible to loosen or remove the fasteners without destroying the joint. The patented system is designed so the flank shape of the drive recess makes it impossible to loosen the screw after assembly, even with the special tool. Attempting to do so causes the tool to rotate out of the screw head on its own. Dismantling is only possible by drilling out the screw or cutting a slot in the screw head. Both options void the warranty, and they hinder theft due to the considerable amount of noise generated by these processes.

Author
Paul Gay

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