SECURE Bolt Seal — ISO 17712:2013 High-Security Container Seal
ISO 17712:2013 ‘H’ class hardened-steel bolt seal for shipping containers, trailers, and tankers. C-TPAT, AEO, and WCO SAFE Framework recognised — single-use, tamper-evident, sequentially numbered.
ISO 17712:2013 hardened-steel container bolt seal
The SECURE Bolt Seal is the industry-standard, single-use, high-security mechanical seal for sealing ISO shipping containers, road trailers, rail wagons, and tankers. It carries the ISO 17712:2013 "H" classification — the international standard recognised by C-TPAT, AEO, PIP, and the WCO SAFE Framework — and is the workhorse of global container logistics, used on tens of millions of containers each year.
Construction and tamper evidence
The seal consists of two parts: a hardened-steel bolt with a precision-machined locking groove and a unique laser-etched serial number, and a locking sleeve (or "barrel") that, once pressed onto the bolt, cannot be removed without bolt cutters or an angle grinder. Removal visibly destroys the seal — providing unambiguous tamper evidence and a clear audit signal.
Technical specifications
- Classification: ISO 17712:2013 "H" (high security) — tested for tensile, shear, bending, and impact strength.
- Material: hardened steel body, 8 mm shaft, 22–28 mm head.
- Pull strength: typically > 2,000 lbf (well above ISO "H" 800 lbf minimum).
- Serial: laser-etched sequential, non-repeating across production runs; optional barcode.
- Anti-defeat: anti-spin head; anti-drill locking core on premium variants.
- Operating temperature: -40 °C to +85 °C.
- Colour-coded jacket: shipper, route, or cargo-class identification.
Deployment best practice
- Confirm the bolt seal's serial against the dispatch documentation.
- Inspect the container door staples for prior tampering, drilling, or substitution.
- Insert the bolt through both door staples from the right-hand door (per WCO recommendation).
- Press the locking sleeve firmly until it audibly clicks and is flush against the staple.
- Tug-test the seal — it should not rotate or be withdrawn.
- Photograph the sealed door showing the serial number; record the serial in the e-way bill / customs documentation / TMS.
Industries served
International container shipping, road and rail freight, customs-controlled cargo, bonded warehouse outbound, FMCG and beverage distribution, and bulk commodities.
Pair with electronic monitoring
For active real-time visibility, upgrade to the SECURE Bolt E Seal — the same form factor with electronic event reporting. Book a demo to compare.
Industries Served
Use Cases
Cargo Security
Seals containers and trailers with a high-strength bolt that cannot be removed without bolt cutters — preventing theft, tampering, and unauthorised access during transit.
Tamper Detection
Visibly destroys on any tampering attempt, providing unambiguous evidence that the cargo may have been compromised.
Customs & Regulatory Compliance
ISO 17712:2013 certified seals meet international customs standards under C-TPAT, AEO, and WCO frameworks — accepted by customs authorities worldwide.
Freight & Container Shipping
Used by shipping lines, freight forwarders, and logistics companies to secure ISO shipping containers during sea, road, and rail transport.
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