Unolock, container security seals


UnoLock is an ISO/DIS 17712 & CTPAT compliant (Unolock 3.0), high security bolt seal with print and numbers encapsulated in a clear polycarbonate plastic cover. The barrel and pin coating is made of ABS, a durable plastic.


  • ABS pin coating and inner barrel.
  • Clear polycarbonate outer barrel cover.
  • Zinc coated locking components.

  • Non spin.


  • High tamper visibility - reduced losses.

  • Durable & tough. 

  • Protection from the environment.
  • To counter tampering with drill spinning.


CTPAT Container security seals
Unolock container security seal


Length 80mm, bare pin Dia = 8mm

Exceeds 1300kg-f/12.75kN



Outer clear barrel cover -  Polycarbonate
Pin coating and inner barrel - ABS
Locking mechanism - High strength steel
Laser - stock items preprinted with logo/text & sequential numbering.
Custom printing available with option of matching serial number on barrel and pin.
Standard colours - Red, Yellow, Blue, Green, Orange, White.
Contact us for other colours.
-40˚C to 110˚C (-40˚F to 230˚F)


  Suggested applications:-

  • Shipping containers. 
  • Cargo containers.
  • Trucks.  – simple security solutions.

High security bolt seal

As we have no control over the application and conditions our products are used in. We maintain it is the responsibility of the end user to determine that this is the correct product to suit your requirements. To that end we offer free samples and telephone guidance, please do not hesitate to contact us if you need help.