Double Coil Concertina Razor Wire
Double coil concertina razor wire is a new product. It is characterized by a smaller razor wire coil inserted inside a bigger one. The double coil design highly increases razor wire's defensive function.
Various types of blades are available at SKYHALL® Fence for the concertina razor wire and the wire surface is pre hot dipped galvanized to provide anti-corrosion and anti-rust performance.
Many customers prefer this double coil concertina razor wire to the single type in pursuit of higher-level security.


Outside Diameter | Inside Diameter | Core Wire Diameter | Razor Blade Thickness | Loop | Clip | Tensile Coil Length | Razor Type |
1000 | 600 | 2.0-2.5 | 0.3-0.6 | 33 | 0 | 7-8 | CBT-60 CBT-65 BTO-10 BTO-13 BTO-18 BTO-22 BTO-25 BTO-27 BTO-30 |
950 | 600 | 56 | 0 | 12-13 | |||
950 | 450 | 56 | 0 | 13-14 | |||
750 | 600 | 56 | 0 | 13-14 | |||
730 | 450 | 56 | 0 | 13-14 | |||
Surface Treatment | Pre Hot Dipped Galvanized Ss316 Ss304 Ss410 |
Blade Type | Blade Length | Blade Width | Blade Spacing |
BTO-12 | 12±1 | 15±1 | 26±1 |
BTO-15 | 15±1 | 15±1 | 33±1 |
BTO-22 | 22±1 | 15±1 | 34±1 |
BTO-30 | 30±1 | 18±1 | 45±1 |
CBT-60 | 60±1 | 32±1 | 100±2 |
CBT-65 | 65±1 | 21±1 | 100±2 |
Customized Specifications Acceptable. If you have any special requests for the double coil concertina razor wire, please don't hesitate to contact us.

High Security
Unlike normal concertina razor wire, the double coil type is distinguished by an extra smaller razor wire coil inserted inside a bigger one. Double layers of sharp edges make the razor wire more defensive which prevent any unauthorized entering and exiting effectively.
Diverse Razors
A variety of razor types with different specifications are available at SKYHALL® Fence to meet different projects' needs. Should you have any special requests, just contact our sales team for support.


Suitable for Various Fences
The double coil concertina razor wires could be combined with various fences to become a high security fence system, for instance, chain link fences, palisade fences, welded wire fences.
Double coil concertina razor wires are pre hot dipped galvanized to fight against corrosion and provide longer service.

You may check the concertina razor wire drawings we made for our customers below. Should you have special design requests, please feel free to tell us. We provide professional design service for free.

We make strict quality control from material sourcing to product manufacturing. Each batch of concertina razor wires will be inspected randomly to meet the requirements of our customers.
Normally, concertina razor wires will be wrapped with plastic film and packaged into the pallets. If you have special request for packaging, please just let us know.
Double Coil Concertina Razor Wire are usually used for
- Airport Fencing
- Prison Fencing
- Farm and Ranch Fencing
- Highway Fencing
- Railway Fencing
- Military Field
- Detention Houses
- Government Buildings
- National Security Facilities
SKYHALL® Fence is a certified welded mesh fence manufacturer and exporter of welded mesh fences, barbed wire, road bollards , and gabion in China. With customers around the world, We have sparked a global supply within the fencing system and accessory products.
Established in 2009, SKYHALL® Fence was founded with the aim of being the most valuable brand in the metal fencing industry and a trusted supplier that is well respected around the world.
We have been underpinned by 3 key principles since the very beginning: Professional, Reliable and Affordable.
Professional solutions to help our customers accomplish any projects related to welded fencing and the accessories.
Reliable quality and productivity to promise a stable supply and immediate delivery.
Affordable prices to achieve our customers' goals under low budgets.
Why Choose SKYHALL® Fence as Your Welded Metal Fence Manufacturer
We have been in the metal fence industry for over 14 years. Based on the rich exporting experience accumulated during the order fulfillment to our customers distributed in North and South America, Europe, Australia, Africa, and the Middle East, we know the exact standards you are expecting for your next projects.
We are professional in providing fencing support for construction projects either from the giant group or the government. So far we have helped many customers from the Middle East and Europe get project bids successfully.
Certified Welded Fencing Products
All our metal fence products possess authorized certifications to assure you of quality products. Main certifications include ISO 9001, ISO14001, ISO45001, and CE. Besides, we promise 10 years warranty to provide a reassuring after-sale service.


Professional Design for Free
If you have no idea about what style or specification of metal fence is suitable for your project, just turn to our professional team for help. They will offer modern fence designs to you at the earliest and provide practical solutions accordingly.
Customized Service Available
We know customers' requests for fence specifications vary depending on various applications for different projects. We provide customized services to meet all your needs for a specific project. Just let us know your demand and leave the rest behind.
Q: Are you a trading company or a manufacturer?
A: We are a professional metal fence manufacturer with our own factory and production equipment.
Q: How do you guarantee your metal fence?
A: We have a quality control team to inspect our products before, during and after production. Any defect will be detected and separated. We promise all our products are qualified.
Q: Do you offer a warranty on your fence?
A: Yes. SKYHALL® Fence offers 10 years warranty for our metal fence to protect your benefits. You can download the file of the warranty that applies to your product accordingly.
Q: Can you offer a free sample?
A: Yes, we can offer small samples for free.
Q: What is your payment term?
A: 30% T/T in advance ,and the balance before shippment.
Q: Do you provide an onsite inspection service?
A: Yes. After the products are ready, we can provide a live onsite inspection service by video as our customers required.
Q: Can I customize the products?
A: Absolutely. We can produce metal fences according to your specialized requests. Just send us the specification, drawings, and other items that need to be aware of.
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