bolt seal is a high-security, single-use locking device designed to secure containers, trucks, and cargo during transportation. It consists of a metal bolt (shaft) and a locking mechanism (typically made of steel or reinforced plastic). Once locked, the seal cannot be opened without visible damage, ensuring tamper-evident protection for sensitive goods.
| Application | Container (sea, air, inland transport), Ttruck, Drums | 
| Printing | Company name and logo, barcode serial number, laser or hot stamp, laser print barcode seal | 
| Colors | Yellow, blue, white, green and other customer specified colors | 
| Specification | Pin: length 78mm, diameter 8.0mm angle: length 34.5mm, diameter 20.5mm | 
| Advantage | Comply with the 2013 ISO / PAS17712 quality certification; can import and export goods safely; Protect printed LOGO, numbers or barcodes; even if the plastic cover is broken, the seal will continue to function safely. | 
| Materials | ABS carbon steel plastic carbon steel | 
| Pulling force | 1500 KGS | 
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