The SL-18H by zctower is a heavy-security mechanical cable security seal designed for global cargo and asset protection. Featuring a high-impact ABS plastic body over steel and a 1.8mm diameter steel wire, this durable steel wire seal delivers a robust tensile force exceeding 800N. Driven by the flexible Flexigrip 287mm design, it is ideal for container door latches, rail cars, and truck seals. The compact 27mm x 23.7mm lock head allows permanent printing of logos, barcodes, and numbered metal security seals, providing definitive tamperproof evidence. It can only be removed using professional cable cutters.
SL-18H Cable Security Seal Truck seals
Overview:
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Product No. |
SL-18H |
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Brand. |
Zctower |
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Material |
ABS plastic & steel |
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Steel Diameter |
1.8mm |
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Total Length |
287mm |
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Size |
27*23.7mm |
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Tensile Force |
>800N |
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About Weight |
Packaging 1000pcs/ctn Net Weight 16kg |
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Color |
Blue, red, yellow,green, white (Other colors available upon request ) |
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Printing |
Logo ,serial numbers or barcode |
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Product Applications |
Container door latches, rail cars, cross border shipments, trailer door latches, vales others |
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Product Advantage |
The Flexigrip 287mm is a heavy-security Cable Seal, providing increased strength for all international movements. Flexible, |
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Packaging |
100pcs/bag;2000pcs/ctn |
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Packaging Details |
Container seal lock pack in standard export carton |
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Delivery Detail |
2-3 working days after confirming orders |
Dimension of SL-18H Cable Security Seal

Picture of SL-18H Cable Security Seal


The SL-18H is engineered with a high-impact ABS plastic coated body, a heavy-duty internal steel locking mechanism, and a 1.8mm diameter braided steel wire cable, making it a highly durable steel wire seal for industrial asset protection.
The SL-18H boasts a robust tensile force exceeding 800N, providing exceptional strength and excellent resistance against forced entry or harsh weather conditions during global logistics and international movements.
This model features a total length of 287mm with a compact lock head measuring 27mm * 23.7mm. Our standard color selection includes blue, red, yellow, green, and white, with custom colors available upon request to fit your corporate identity.
As a professional security seal manufacturer, we offer a high level of customization. The ABS surface can be permanently marked with corporate logos, alphanumeric codes, barcodes, and sequential numbered metal security seals. Additionally, custom cable lengths can be tailored to your specific needs.
It is widely trusted for securing container door latches, rail cars, cross-border shipments, trailer doors, and valves. Once pulled tight, it provides immediate visible tamper evidence and can only be removed using heavy-duty cable cutters.
We support a variety of payment methods, including PayPal and T/T (Telegraphic Transfer).
All of them are available. We can ship your orders via ocean freight, air freight, or express delivery (such as DHL, FedEx, UPS) depending on your urgency and budget.
For regular products from our security seals supplier facility, our standard lead time is typically 3-5 days after order confirmation, offering you a fast turnaround at a competitive factory price.
Contact: Cherry Deng
Phone: +86 15305911267
Tel: +86 0591-83656592
Email: cherry@zcsecurityseals.com
Add: NO.136 FuGuang Road, distrito JinAn FuZhou, FuJian