Industrial Double Coil Razor Wire – High-Density Dual Security Fencing System
Our heavy-duty **Double Coil Razor Wire** represents the pinnacle of premium perimetric obstacle engineering. By integrating a large outer helical circle with a tightly cross-clipped inner defensive wire coil, this system creates a nested spatial cylinder network. Manufactured strictly under ISO 9001 factory production guidelines, the dual-stabilized frame provides exceptional rigidity against intentional mechanical crushing, collapse, and advanced cutting tools, keeping high-risk critical infrastructure completely secure.
Key Technical Advantages of Our Nested Dual Razor Coils
- Zero-Gap Double Ring Protection: The unique nested inner-and-outer coil structure completely blocks out perimeter apertures, stopping intruders from squeezing through even if individual sections are breached.
- Custom Hybrid Blade Profiles: Supports strategic variable pairing—such as equipping the outer coil with large CBT-65 military blades for maximum visual deterrence, and the inner coil with dense BTO-22 medium blades to stop close-range tampering.
- Dual High-Tensile Wire Cores: Both independent loops use a 2.5mm heavy-gauge spring steel core wire with a minimum tensile rating of 1450 MPa, easily deflating attempts to destroy the fence line using manual tools.
- Long-Life Metal Finishes: Hot-dipped galvanized layers up to 275g/m² or marine-grade stainless steel (SS304/SS316) offer lasting protection against rust, even in salty coastal or highly acidic regions.
Technical Specifications & Standard Nested Combinations
| System Model | Outer / Inner Diameter | Clips Configuration | Blade Profile Combo | Extended Length / Roll | Core Wire O.D. |
|---|---|---|---|---|---|
| DC-7345 (Standard) | 730 mm / 450 mm | 5 Clips Out / 3 Clips In | BTO-22 + BTO-22 | 8 – 10 Meters | 2.50 mm + 2.50 mm |
| DC-9650 (Heavy) | 960 mm / 500 mm | 5 Clips Out / 5 Clips In | CBT-65 + BTO-22 | 10 – 12 Meters | 2.50 mm + 2.50 mm |
| DC-9860 (Supreme) | 980 mm / 600 mm | 5 Clips Out / 5 Clips In | CBT-65 + CBT-65 | 10 – 12 Meters | 2.50 mm + 2.50 mm |
| DC-Custom Tier | Customized Options | Custom Mechanical Clips | All Blade Types Available | Tailored to Blueprint | 2.50 mm (Standard) |
Advanced Manufacturing Quality & Metallurgical Selection
Our industrial production facility uses specialized dual-feed mechanical systems to automatically stamp and nest the internal coils. This integration ensures uniform spiral tensioning and accurate clip spacing across both layers. Depending on your region’s environmental challenges and anti-rust requirements, three B2B raw material grades are available:
- Standard Zinc Coating Grade (60g – 80g/m²): Formulated primarily for standard industrial borders and civil warehouses in moderate climates with low environmental moisture.
- High-Zinc Anti-Rust Grade (Up to 275g/m²): Engineered explicitly for national borders, sovereign defense lines, major railway grids, and severe outdoor environments.
- Premium Stainless Steel Grade (SS304/SS316): Complete immunity to saltwater spray, high humidity, and industrial chemical fumes, providing reliable decades-long service life for high-risk zones.
High-Density Export Bundling & Safe Freight Logistics
Because expanded double-coil systems contain an intricate nested configuration, their shipping spatial footprint is tightly managed. Our dispatch department utilizes high-pressure hydraulic equipment to compress these multi-layered coils into ultra-flat, compact nested bundles. This compression process maximizes volumetric efficiency within standard 20ft and 40ft sea freight shipping containers. Every bundle is carefully wrapped in dual layers of waterproof woven polypropylene covers and secured to pallets with high-tensile steel bands, protecting port workers and ensuring efficient forklift loading and unloading cycles.
Frequently Asked Questions (FAQ)
Q1: Why is Double Coil Razor Wire considered vastly superior to standard single-coil concertina fence lines?
A: Standard concertina fencing consists of a single loop layer, leaving open diamond spaces that clever intruders might exploit with advanced tools. Double Coil systems eliminate these gaps entirely by nesting a secondary, independent spiral network inside. This dual arrangement doubles the physical obstacle count per meter and creates a highly intimidating visual pattern that deters perimeter breaches effectively.
Q2: What is the benefit of pairing the CBT-65 blade with the BTO-22 blade in a double-coil setup?
A: This hybrid combination provides the ultimate balance of visual and physical defense. The outer coil uses the large CBT-65 blade (65mm blade length), which provides an immediate visual deterrent to anyone approaching the boundary. The inner coil features dense BTO-22 blades (22mm blade length) spaced closely together, acting as a highly effective secondary layer to trap and stop close-range cutting or scaling attempts.
Q3: How do I anchor a nested double-coil fence onto an existing perimeter barrier wall?
A: Installation requires heavy-duty support. Because double-coil systems are heavier than standard razor wire, we recommend reinforcing your wall tops with strengthened Y-shaped or V-shaped post extensions. High-tensile horizontal guide tension wires are strung across the brackets, and the nested dual bundles are carefully unrolled along the line and anchored securely to the framework using professional pneumatic hog-ring guns.
Q4: What is the typical factory lead time for a bulk container load of Double Coil Razor Wire?
A: Producing double-coil structures requires advanced mechanical alignment. For standard configurations, our specialized manufacturing plant maintains a daily output of 15 metric tons. A full 20ft container load typically requires 12 to 15 business days from formal deposit confirmation to complete fabrication, quality testing, and international export packing.
Get Factory-Direct Wholesale Price & Free Samples
- Flexible Tiered Pricing: Massive volume-based discounts and competitive FOB/CIF/CFR quotes for full container loads (20GP) to significantly boost your local perimeter security distribution or infrastructure tender re-selling margins.
- 100% Free Samples: Physical double coil razor wire testing samples are available immediately for your local laboratory wire gauge verification, zinc coating density thickness audits, or tensile strength testing.
- Guaranteed Fast Lead Time:
Our advanced automated stamping and precision dual-coil nesting lines, backed by a stable raw high-tensile spring steel wire rod inventory, guarantee prompt manufacturing and on-time shipping schedules.
- Customized Packaging: Heavy-duty marine-grade dual packing (waterproof anti-moisture woven geotextile fabric inside + rugged compressed high-density structural wood pallet casing or specialized metal band reinforcement outside) to thoroughly protect against salty sea air, loop distortion, and barb abrasion during long-distance transit.
