‘Rexlok’ high-security screws


Screw with unique custom made drive. Requires a Rexlok bit for screwing in and out.
For security reasons, this item is not sold on our website. Please contact us to order.
The illustration is indicative only.


Rexlok anti-theft screws have a custom manufactured drive (both the screws and bits are only available from Chassitech). . The shape of the drive was selected from millions of incompatible forms. Made from stainless-steel.

Main features:

  • bits cannot be found on the market
  • High torque transmission (does not ‘slip’)
  • screwdrivers with a central pin hole – hexagonal and Torx® screwdrivers are pushed away
  • Stored dimensions: 4.2 × 19 mm & 4.2 mm × 38 mm (quantity: 100 pieces)

The security screws have drives that provide less grip for screwdrivers than commercially available cruciform or Torx™ drives. (This feature significantly improves resistance to dismantling). For this reason, they should be screwed in carefully, for example with electric screwdrivers, where low torque is recommended. Wherever necessary, pilot holes should be drilled, especially in hard materials such as MDF (’medium’). These precautions will ensure that the screwdriver bits will last a long time and will make it much easier to loosen/unscrew the screws at at a later date, while also protecting the screw heads.

Option : Exclusive to you very high security drive
We can customize for you screws with a drive shape of which you are the sole owner (with an exclusive license) All shapes, dimensions and threads can be examined.

Minimum order per reference: 2500 pieces. Free service: Marking screw heads with your name (optional).

Additional information


Sheet metal (mixed wood-metal)


Screw head



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