Description:
Heavy duty Bolt Seal,Self-locking by finger pressureHigh grade Q235A steel (pin & bush) and ABS plastic material, The product is a one-time use security lock, featuring high security, anti-counterfeiting and anti-theft functions. It can usually be used as a security lock for handling and transporting containers and goods in logistics. Usually, as anti-theft locks for customs sea transportation, locks for oil fuel transportation trucks, tanker trucks, trailers, etc. The factory direct price is relatively low, and it also supports customization of colors and printing content. High-quality sealing bolt seal supports laser printing. bolt seals can be customized with company logos, barcodes, serial numbers, etc. Factory safety packaging, supports customized packaging, fast delivery, good quality.
High-Security One-Time Use Design
The ST8704 bolt bullet container seal is engineered as a single-use security lock, providing reliable protection for containers, trailers, and truck doors. Once the steel pin is inserted into the locking bush, the seal automatically locks and cannot be removed without visible damage. Any tampering attempt leaves clear evidence, ensuring cargo integrity and helping maintain accountability during transportation. This one-time use design is ideal for high-security logistics, oil and fuel transport, and customs-controlled shipments.
Heavy-Duty A3 Steel Construction
The locking pin and bush are made from high-grade Q235A steel, delivering exceptional strength and resistance to cutting or forced removal. With an 8 mm pin diameter, 75 mm height, and 18.6 mm width, the ST8704 provides robust physical protection for high-value or sensitive shipments. The strong steel core ensures that containers, trailers, and tanker trucks remain securely locked under demanding transportation conditions.
Durable ABS Plastic Body
The outer body of the seal is crafted from ABS plastic, which protects the internal steel components from environmental exposure, corrosion, and mechanical impact. The ABS coating also enhances visibility and allows for high-quality laser printing, providing both security and traceability. This combination of steel and ABS ensures long-lasting performance in outdoor and industrial environments.
Convenient Finger-Press Self-Locking Operation
The ST8704 is designed for simple and efficient installation. The seal locks securely with finger pressure, eliminating the need for additional tools or complicated procedures. This easy-to-use mechanism allows logistics teams and inspection personnel to apply the seals quickly, saving time while maintaining high-security standards.
Customizable Laser Printing for Identification
Each bolt seal supports laser printing for numbers, letters, logos, barcodes, and QR codes. Permanent and clear markings help track shipments, manage inventory, and maintain inspection records. Custom printing also allows companies to apply branding or operational identifiers, enhancing traceability and control across the supply chain.
Certified Quality Assurance
The ST8704 is manufactured under strict quality control and meets ISO 9001 and ISO 17712 certifications. These international standards ensure consistent quality, reliability, and compliance for security-sensitive applications such as container shipping, fuel transport, and industrial logistics.
Custom Colors and Branding Options
Available in red, yellow, blue, green, white, and customized colors, the ST8704 can be tailored to meet organizational or operational requirements. Color-coding helps streamline identification, inspections, and operational management across multiple transport routes or facilities.
Versatile Applications
The ST8704 bolt bullet container seal is widely used in logistics, shipping, tanker trucks, trailers, oil and fuel transport, and customs cargo control. Its durable construction and tamper-evident design make it suitable for securing high-value shipments and preventing unauthorized access, substitution, or theft.
Safe Packaging and Bulk Supply
For efficient storage and large-scale deployment, the ST8704 is packaged in boxes of 10 pieces, with 350 pieces per carton (50 × 32 × 13 cm). The bulk packaging format allows easy handling, transport, and rapid distribution for logistics companies, shipping operators, and industrial transport providers.
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Model No |
ST8704 |
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Brand Name |
SHENGTANG |
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Material |
ABS+A3 steel |
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Color |
Red,yellow, blue，green, white and customized color |
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Height |
75mm |
|
Pin Diameter |
8mm |
|
Width |
18.6mm |
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Printing type |
Laser printing |
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Printing content |
Numbers, logo, barcode， Qrcode, etc. |
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Certificate |
ISO9001, ISO17712, etc |
|
Package |
10pcs/box, 350pcs/ctn，carton size:50*32*13cm |
Commonly used on shipping and intermodal containers, and widely used for ground transportation, All kinds of ISO compliant containers,trailers, Trucks ,Van trucks,Tank trucksDoors,cars,shipping, logistics, Postal services, Courier services, Bags, Airline Luggage,Airline,Liquor, Carts,Food Carts, Trolleys security lock. Applied to cargo trucks, trailers, and railway freight cars, these seals ensure cargo integrity throughout the journey under harsh environmental conditions, thanks to their high tensile strength and durability. Some advanced high preservation seals integrate RFID chips, enabling remote reading and synchronization with GPS-enabled locking systems and digital logistics platforms for real-time, traceable security management.
1.Low cost with durable metal parts &Adjustable length and easy use service.
2.The product is a disposable security lock with anti-counterfeiting and tamper-proof features.
3.Corrosion and Aging Resistance: Metal materials (Stainless steel and aluminum alloy) offer excellent salt spray resistance, making them suitable for corrosive environments such as coastal and chemical industrial areas.
4.High Tensile Strength: Standard steel cable seals can withstand a tensile force of up to 300kg, preventing accidental disconnection due to external pulling forces.
5.Has obtained multiple international certifications and holds the ISO17712 certificate, with excellent quality.
1.Q:Who are we?
A:We are based in Shandong, China, start from 2012, sell to Mid East, South Asia, Northern Europe,Africa, North America, Western Europe. There are total about 200-300 people in our office.
2.Q:How can we guarantee quality?
A:Always a pre-printing sample before mass production;Always final Inspection before shipment;
3.Q:what can you buy from us?
A:bolt seal,cable seal,plastic seal,meter seal,metal strap seal, etc.
4.Q:Why should you buy from us not from other suppliers?
A:12 years experiences, 300 sets of models with different style , meet your different demands with fast delivery. All our material is environmental, we won many honors from government. Our goods are popular in 300 countries.
5.Q:Do you accept custom orders?
A: Yes. We provide comprehensive OEM & ODM customization services, including:LOGO printing and unique serial numbering Customized sizes, colors, materials, and packaging
6.Q:What certifications do you have?
A:We maintain a complete and internationally recognized certification system, including:
ISO 9001 – Quality Management System
ISO 14001 – Environmental Management System
ISO 45001 – Occupational Health & Safety Management System
ISO 17712 – High-Security Seal Certification
Third-party test reports from SGS and other authorized institutions
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