HOME > Bolt seals > UnoLock 3

UnoLock 3


The UnoLock 3.0 is an ISO/DIS 17712 & C-TPAT compliant high security bolt seal, with printing and numbers encapsulated by a polycarbonate plastic cover. The barrel and pin coating is made of durable plastic to reveal evidence of tampering. It also features an 18mm diameter insert and pin head to keep the seal engaged on the container latch even when the plastic covers are removed or knocked off.


  • Cargo containers
  • Trucks
  • Trailer vehicle doors
  • Rail freight
  • Tautliners

Key Features

  • Seals are ISO/DIS 17712 & C-TPAT compliant
  • High strength steel with polypropylene coated pin
  • Barrel covered by hard durable polycarbonate
  • 18mm diameter insert mechanism & pin head is larger than ISO Container latch hole so that the seal will remain in place even if the plastic coating on the seal has been removed or knocked off
  • Partially transparent barrel to detect tampering attempts on locking mechanism
  • Limited to 180° rotation when engaged to defeat high-speed rotation tampering techniques


  • Can withstand a pull load larger than 1,000kg-f
  • Suitable for temperatures ranging from -40°C to 110°C
  product code barrel diameter locking distance locking diameter pin diameter
UnoLock 3.0 L80 UL808A 25.3mm 44mm 20mm 10mm
UnoLock 3.0 L95 UL958A 25.3mm 59mm 20mm 10mm


Recyclable plastic abs other Recyclable plastic pp Recyclable steel
Need help with choosing which type of seal? Chat with us or check out our comparison table: Compare now

contact us

Need more information? Require brochures or samples? Having trouble deciding on which seal is best for you? Or do you have questions about the seals and how they're used? Don't hesitate to contact us. Our team is accessible by phone during standard business hours, or you may prefer to get us via e-mail. Either way we'll get in touch with you promptly. We take pride in our top quality service.