The increasing risk of theft in global trade and the need for transparency in supply chains make metal security seals (cable, bolt, strap seals) critical. Beyond plastic seals, metal seals offer both physical strength and visual tamper-evident properties.
Types and Areas of Use of Metal Security Seals
1. Bolt Seal
Used in high security seal class, containers, trailers and international transportation.
Meets ISO 17712:2013 “High Security (H)” standard.
2. Cable Seal
It is widely preferred in cranes, valves, tankers and container doors thanks to its adjustable length cable.
3. Metal Strap Seal
Used in large volume applications such as industrial equipment, machinery and warehouse doors.
Metal Security Seals Advantages & Disadvantages
Metal Security Seals Advantages:
High physical strength, requires special tools to cut.
Compliance with ISO and C-TPAT standards, international acceptability
Can contain multiple files and identifying information such as barcodes.
Metal Security Seals
Metal Security Seals Disadvantages:
Higher cost compared to plastic seals.
Requires cutting tools to remove, cannot be reused.