Worlds No 1 Security Fasteners

European Patent 1454070

UK Patent No GB 2382853



lockunlock nuts
lockunlock bolts

  Lock and Unlock Nuts and Bolts
Click on picture to enlarge.

Nuts and Bolts are manufactured in a verity of sizes from M4 to M20 in Metric,

and equivalent in Imperial or any other thread form....

Materials A2, A4, Stainless, Mild Steel, High Tensile Steel.

Key Benefits

  • Lock and Unlock for future removal.
  • Mild Steel nuts and Bolts can be case hardened to stop hack sawing or chiseling in an attempt to remove them, this makes the surface glass hard and gives 30% more torque...
  • Unique design with angles and radiuses to resist griping with pliers or any other form of grips.


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Copyright 2003 Seclock
Last modified: 06/06/07