ST63, bolt security seals


ST63 is a customs approved, CTPAT compliant, bolt security seal with a heavy duty ABS coated barrel and steel pin. 

Normally available from stock with non proprietary marking and unique sequential numbering.


  • ISO 17722:2013 'H', high security classification.
  • Plastic coated pin.
  • Anti spin with matching serial number on locking head and pin .


  • Customs approved.
  • To withstand severe environmental and climatic conditions.
  • Prevents fraudulent replacement.

Customs security seals
Container security seal


11.3mm width, (including coating).
48.3mm operational length (locked).

Barrel - ABS 
Coated bolt pin - Steel pin.
Laser - stock items Marked 'SEALED' with sequential numbering.
Custom printing available on request subject to quotation MOQ and lead time.
Standard colours - White, Yellow.
Contact us for other colours.


  Suggested applications:-

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

Einlock bolt security seals

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.