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Skip to content ProtegoSeal’s bolt seals offer high reliability, are engineered for strength, and are tailored to fit your needs—all at competitive prices.
Shosky Custom Plastic Seals offers a secure solution for safeguarding your goods, ensuring that any unauthorized access is immediately visible. Our seals are designed to meet the stringent demands of various industries, providing a reliable tamper-evident mechanism that protects your valuable assets.
With our custom plastic seals, you can enhance your brand’s trustworthiness and strengthen customer loyalty through our proven security solutions. We offer extensive customization services to meet your specific needs.
Shosky Custom Plastic Seals offers a secure solution for safeguarding your goods, ensuring that any unauthorized access is immediately visible. Our seals are designed to meet the stringent demands of various industries, providing a reliable tamper-evident mechanism that protects your valuable assets.
With our custom plastic seals, you can enhance your brand’s trustworthiness and strengthen customer loyalty through our proven security solutions. We offer extensive customization services to meet your specific needs.
Our bolt seals feature a high-strength steel core that delivers maximum resistance against tampering, ensuring the ultimate protection for your cargo.
Each bolt seal is encased in durable ABS plastic, designed to withstand harsh conditions and indicate any tampering attempts.
We use eco-friendly zinc components to enhance security while promoting sustainability, providing a reliable solution supporting environmental responsibility.
From material choices to custom colors, each option enhances your security and reinforces your brand’s presence. Get bolt seals that are as unique as your operation—providing a level of protection that’s anything but ordinary.
We offer high-strength steel and stainless steel cores wrapped in ABS plastic or eco-friendly zinc coatings.
Our customization of your logo onto each bolt offers heightened security and reinforces your brand presence at every step of the logistics chain.
We provide bolt seals in various lengths to ensure the perfect fit for your containers, trailers, or shipments.
We use precision laser engraving to add sequential numbering to each bolt seal, making it easy to identify and track shipments.
Pick from an array of vivid colours that reflect your company’s identity or establish a streamlined colour-coding system.
Tracking should be easy, not tedious. It transforms each seal into a quick, scannable asset, making logistics more efficient.
These seals were specially produced for situations where high resistance is required. The bolt seals can withstand very low and high temperatures, such as -40ºC or 110ºC, and severe environmental conditions. They can be personalized with letters or logos and laser-marked numbering.
From -40°C to +60°C, our bolt seals maintain their strength and reliability, ensuring your cargo stays secure.
Our weather-resistant materials keep your cargo safe and your operations running smoothly in any climate.
Our UV-resistant coatings keep your bolt seals intact and effective, even in the harshest sunlight.
With our corrosion-resistant design, you get long-lasting security in any environment.
Tensile Strength Test
Shear Test
| Product | Structure diagram | Measurements |
|---|---|---|
 |  | Material: ABS+Galvanized Carbon Steel Total length: Lock Body 37mm Lock Rod 81.3mm Tensile Strength: 11000N |
 |  | Material: ABS+Galvanized Carbon Steel Total length: Lock Body 27.4mm Lock Rod 81.8mm Tensile Strength: 12000N |
 |  | Material: ABS+Galvanized Carbon Steel Total length: Lock Body 34mm Lock Rod 86.8mm Tensile Strength: 12000N |
 |  | Material: ABS+Galvanized Carbon Steel Total length: Lock Body 34.8mm Lock Rod 82.5mm Tensile Strength: 12000N |
 |  | Material: ABS+Galvanized Carbon Steel Total length: Lock Body 33.5mm Lock Rod 86mm Tensile Strength: 12000N |
The sizes shown are our most popular, but we couldn’t list them all. If you don’t see the size you need, please inquire, and we’ll help you find the perfect fit.
Using ProtegoSeal’s bolt seals is simple to use. Follow these easy steps:
Insert the Bolt: Place the bolt through your container or equipment’s locking mechanism or latch hole.
Align and Lock: Rotate the bolt until the lock clicks into place. Ensure the bolt and lock’s serial numbers align for added security.
Check the Locking Mechanism: Gently pull on the bolt to ensure the locking mechanism is fully engaged, ensuring a secure fit.
Removing the Seal: To remove the seal, use a bolt cutter. Always ensure safety precautions when cutting the seal.
On the right, you’ll find a complete demonstration video of how to use our bolt seals. Click to watch it on YouTube.
Unlike standard bolt seals, which offer basic protection, ProtegoBolt Seals are built for durability, compliance, and peace of mind, even in the harshest conditions.
ProtegoBolt Seals are made with high-strength steel and corrosion-resistant coatings, ensuring durability in extreme conditions.
Protego offer a wide range of customization options—color, length, and serial numbers—giving you control over branding and traceability.
Protego meet ISO 17712 and C-TPAT standards for high-security seals, offering certified compliance for international shipping and regulatory requirements.
With UV resistance and weatherproof construction, ProtegoBolt Seals maintain their strength and integrity under the sun, rain, or snow.
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With standard bolt seals, you typically get a one-size-fits-all solution. Customization options are minimal, making it harder to incorporate branding.
Standard bolt seals may not be ISO or C-TPAT certified, so you may not be assured of meeting international security standards.
In challenging environments, standard bolt seals may wear out or degrade faster, reducing their reliability and effectiveness over time.
At ProtegoSeal, we provide practical and reliable security seals tailored to your business needs. Focusing on quality, customization, and sustainability, we offer solutions that stand the test of time and provide real value.
For custom bolt seals, we can send samples within 7 days, and for non-custom products, you’ll receive samples within just 3 days.
Our customized bolt seals have a starting order quantity of just 1,000 units. If you're purchasing standard products, there are no MOQ requirements.
Our simple, transparent order process ensures you receive the seals you need without delays so you can focus on what matters most.
With regular product testing and feedback loops, we ensure that your seals are always of the highest quality and performance.
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Steel: Steel seals can range from $0.50 to $1.50 per unit.
Aluminum: These typically cost between $0.30 and $1.00 per unit.
If you’re looking for maximum durability, you might decide that investing in steel seals is worth the extra expense.
Standard Bolt Seals: These straightforward designs are cost-effective, ranging from $0.80 to $2.00 per unit.
Custom Engraved Seals: Adding custom logos or serial numbers increases the manufacturing complexity, with costs rising to $1.50 and $3.00 per unit.
When you opt for a custom design, you’re not just paying for aesthetics; you’re also enhancing your brand’s security.
Like most products, ordering metal seals in bulk reduces the cost per unit. For example:
Small Orders (1,000 – 10,000 units): Prices typically range from $0.50 to $2.00 per unit, depending on the material and design.
Large Orders (10,000+ units): Bulk orders can reduce costs by up to 20%, bringing the price down to $0.40 to $1.60 per unit.
If you’re planning for long-term use, ordering in larger quantities saves money.
Please note that prices may vary due to fluctuations in raw material costs. Contact us now to get the latest quote tailored to your needs.
We use advanced technology and strict quality control processes to ensure that each seal provides the protection you can count on.
We perform rigorous tensile strength tests on the raw materials used in our bolt seals. Each steel or aluminum component is subjected to force testing to ensure it can withstand up to 1,250 kg of pressure without failure.
We simulate extreme weather conditions to assess the seal’s performance in harsh environments. Our seals are tested for UV resistance, ensuring that exposure to sunlight does not weaken the seal or cause material degradation.
The locking mechanism is tested to ensure that it remains secure under extreme conditions, and we use specialized equipment to verify that each seal clearly shows signs of tampering if it’s breached.
Yes, all of our bolt seals are ISO 17712 & C-TPAT certified, meeting the highest global standards for security and tamper-evidence.
Our bolt seals are made from high-strength steel with corrosion-resistant coatings.
Depending on the application requirements, they may also include ABS plastic or zinc.
Our customized bolt seals have a MOQ of just 1,000 units.
Standard bolt seals have no MOQ requirements, so you can order as needed.
We can send custom bolt seal samples within 7 days. We can ship samples for non-custom products within 3 days, allowing you to review the quality before placing a larger order.
We offer customized quotes based on your order size, specifications, and any additional customizations. Contact us now！
Our highest-capacity seals are able to withstand up to 1,250 kg of tensile pressure, ensuring reliable protection for your cargo.
Yes, our bolt seals are designed to withstand extreme temperatures, from -40°C to +60°C, and resist UV rays, moisture, and other harsh environmental conditions.
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