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General Description

Rivlok is our patented security screw system that comprises a smooth headed screw that is driven into position using a special tool that relies on friction to operate.

This produces a vandal proof range of fasteners that makes extraction of the bolt or screw almost impossible without the matching driver. These fasteners can only be tightened or removed by using specific matching friction drive tools for each head configuration and fastener material combination

The range of fasteners covers numerous head shapes, lengths, materials and thread combinations. These include screws, bolts and coach bolts. Sizes range from a 4 gauge to M12.

The name Rivlok was derived from the fact that when the screw was in place it closely resembles the head of a rivet.


The screw is designed for use where security is paramount and the use of proprietary security screws would not satisfy the required level of security.

Multipole use Rivloks to secure access hatches on light poles as well as light pole components and accessories on our Multifunction poles.

Optional Accessories

Range of registered drivers