Reverse Twist Barbed Wire, Double Strand Prison Fence 4 Inch Barb Spacing

Product Specification

Reverse Twist Barbed Wire, Double Strand Prison Fence 4 Inch Barb Spacing

Product Introduction

Anping Chuangyi Hardware Products Co., Ltd., located in Anping County, the renowned hometown of wire mesh in Hebei Province, China, specializes in high-security barbed wire products. Our reverse twist double strand barbed wire is engineered for prisons, detention centers, and other high-security facilities, with a standard 4-inch barb spacing that effectively prevents climbing and a reverse twist construction that significantly enhances structural stability. We provide impassable perimeter protection for high-risk facilities worldwide with professional security craftsmanship.

Barbed Wire Product Specification

1. Galvanized Barbed Wire Specification

2. PVC Coated Barbed Wire

Core Wire Diameter: 1.0 – 3.5 mm
Available Gauge: BWG 8 – 17
Final Diameter After Coating: 1.4 – 4.0 mm
Barb Distance: 7.5 – 15 cm
Colors: Green, Black, Blue, Red, Yellow, etc.

3. Stainless Steel Barbed Wire

Material: SS304 / SS316
Available Gauge: 12×12, 14×14, 16×16
Barb Distance: 3" / 4" / 5" / 6"
Roll Length: 100 / 200 / 250 / 500 m

Key attributes:

Product Features:

1. Reverse twist construction delivers superior structural stability over conventional barbed wire
2. Double strand twisted structure with outstanding tensile and anti-tampering capability
3. Standard 4-inch barb spacing specifically engineered to prevent climbing
4. Hot dipped galvanized finish with uniform, thick zinc coating for excellent corrosion resistance
5. Sharp, evenly spaced barbs for effective deterrence
6. Customizable roll lengths to suit security projects of all scales
7. Secure installation with tight fit against walls and posts

Why Choose Our Barbed Wire:

1. Reverse twist design improves structural stability by over 50%, making it extremely difficult to pry apart or cut
2. Optimized 4-inch barb spacing effectively prevents bare-handed and tool-assisted climbing
3. Double strand construction provides high impact resistance against external force
4. Hot dipped galvanized coating offers 8–10 years of service life, reducing long-term maintenance costs
5. Rigorous quality control with tensile, shear, and salt spray testing for every batch
6. Reliable supply capacity with strong capability for large orders and on-time delivery
7. Professional installation guidance to maximize security effectiveness

Applications:

1. Top-of-wall perimeter protection for prisons, detention centers, and correctional facilities
2. Military bases, ammunition depots, and weapons storage facilities
3. Border control and customs inspection zone wall tops
4. Critical infrastructure including nuclear power plants and substations
5. Elevated perimeter protection for chemical plants and oil refineries
6. Embassy compounds and government building perimeters
7. Wall-top installation for high-end private estates and villa communities

Installation Method: 

Barbed wire installation is straightforward yet critical for long-term performance. For optimal results, use sturdy iron posts or weather-resistant wooden stakes as primary supports. Stretch the barbed wire taut to eliminate sagging, then secure it firmly to each support with high-tensile wire clips or heavy-duty staples. Adjust the installation height and wire density based on your specific environment — whether it's a high-security perimeter, livestock enclosure, or remote boundary. This ensures maximum deterrence while adapting to local terrain and protection needs.

Safety Precautions:

Safety First: Essential Guidelines for Barbed Wire Use

Barbed wire's sharp, pointed barbs demand strict safety protocols during handling and installation. Always wear heavy-duty gloves, protective eyewear, and long sleeves to prevent cuts and punctures. Keep the installation area clear of bystanders, especially children and animals, to avoid accidental harm. Post clear warning signs in multiple languages to alert visitors of the hazard. Regular inspections are crucial: check for loose strands, rust, or damaged barbs, and perform maintenance promptly to maintain continuous, reliable protection.