358 Anti-Climb Security Fence | ASTM F2656-20 Rated

358 Anti-Climb Security Fence | ASTM F2656-20 Rated

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358 High Security Fence – Maximum Protection

358 High Security Fence – Maximum Protection

Our 358 security fence features 4mm wire thickness and 76.2×12.7mm openings, making it extremely difficult to penetrate. This security fence is ideal for prisons, airports, military sites, schools, and power plants.
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Why choose us?

358 Anti-Climb Design for Security Fence

Our security fence features a 358 mesh (76.2x12.7mm apertures, 4mm wire) with small openings that eliminate toe or finger holds, making it impossible to climb. It’s very suitable for electronic alarm systems, prisons, military sites, and airports.

Forced-Entry Delay for Security Fence

Per ASTM F1292 standards, our welded mesh security fence makes intrusion take about 8 minutes—roughly double the time needed for regular chain link fencing—and the high tensile strength resists bolt cutters and hydraulic cutting tools.

Electronic Integration for Security Fence

Our security fence seamlessly integrates with E-field, fiber-optic, and PIR sensors. Fiber optic sensors built into the rails pick up vibrations as small as 2mm from climbing or cutting attempts.

Related products

A high security fence is engineered to provide maximum resistance against unauthorized entry attempts, combining physical barriers with design features that delay, deter, and detect intrusion. Hebei Maifa Metal Products Co.,Ltd. manufactures high security fence systems incorporating multiple defense layers, including welded mesh panels with 76.2mm x 12.7mm apertures, reinforced posts, and anti-climb design elements. Our high security fence utilizes 4.0mm to 6.0mm diameter steel wire, welded at every intersection to create rigid panels that resist cutting and deformation. The small aperture size eliminates toe and finger holds, while the welded construction prevents the panel from being separated or peeled back. High security fence applications include correctional facilities, military bases, government buildings, embassy perimeters, data centers, airports, power plants, water treatment facilities, and chemical storage sites. Manufacturing processes at our facility include hot-dip galvanizing after welding to ensure complete corrosion protection, with optional powder coating for color customization and additional weather resistance. For maximum security installations, we offer high security fence with integrally mounted detection systems including vibration sensors, taut wire intrusion detection, and fiber optic perimeter monitoring. Our panels are available in heights from 1.8m to 4.0m, with post options including square tube, pipe, and reinforced concrete-embedded designs. For security consultants, facility managers, and government procurement officers requiring high security fence, please contact our security solutions division with your threat assessment and required performance standards. We provide systems certified to LPS 1175, ISO 22343, and other international standards. Contact us for a comprehensive consultation and detailed quotation for your high security perimeter project.

Frequently Asked Questions

Do you provide installation guides or support for your fence products?

Yes, we provide comprehensive installation support with every fence order. Each shipment includes a detailed installation manual (available in both English and Chinese) containing text instructions, diagrams for post placement and panel attachment, hardware specifications, and recommended tool lists. For more complex installations, such as large sloping grades or high-security projects, our engineering team can provide custom CAD layout drawings and preliminary post spacing recommendations. Additionally, you can access online installation videos and, if needed, schedule a virtual consultation with our technical support team to review site-specific conditions. We want to ensure that your fence installation is successful, whether performed by a professional contractor or an experienced DIY homeowner.
Our steel fences are primarily manufactured using high-quality galvanized steel grades Q195 and Q235. Q195 offers excellent formability and weldability for intricate fence designs, while Q235 provides higher strength for demanding security applications. Both materials undergo a hot-dip galvanization process with a minimum zinc coating of 80g/m² per ISO 1461 standards. This dual-layer protection—starting with the galvanized substrate and finished with an optional thermoset polyester powder coating—creates a fence system that effectively resists rust, corrosion, and UV damage, delivering a service life of 15-20 years in typical outdoor environments and over 20 years in less aggressive conditions.
We are committed to excellent after-sales support. Our dedicated service team remains available 24/7 to answer questions and resolve issues regarding installation, maintenance, or product concerns. We will provide detailed bilingual installation manuals (text and images) for each product type, and we can arrange video calls for real-time troubleshooting if needed. For any confirmed quality issues, we will work with you to determine the appropriate resolution, which may include replacement parts or adjustments to future orders. We believe that our responsibility does not end after shipment, and your satisfaction is our priority.
Choosing Hebei Maifa means partnering with a factory that has over 15 years of specialized experience, an in-house 61,938m² manufacturing footprint, and 5 dedicated production lines. We prioritize quality products and the most competitive prices as our most important criteria. We are not a middleman; we are a direct manufacturer, which allows us to offer factory-direct pricing without compromising on quality. Our global reach extends to over 47 countries, including the USA, Canada, Australia, and across Europe, demonstrating our ability to meet international quality standards and export requirements. We also offer full customization and dedicated after-sales support. From raw material inspection (with Mill Test Certificates) to rigorous pre-shipment packaging, we ensure that every fence leaving our factory is built to perform and built to last.

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Customer Reviews

Security Director, Warehouse Logistics, Sydney

After multiple theft attempts, we installed Hebei Maifa's 358 anti-climb security fence. The 76.2x12.7mm mesh openings are impossible to grip, and the 4mm wire resisted bolt cutter attacks. Paired with their heavy-duty galvanized posts, our warehouse is now impenetrable. The security fence has a tensile strength of over 700N/mm², making it extremely difficult to cut or breach. The palisade-style top angles inward, further deterring climbing. This high-security fence gave our night crew peace of mind. The security fence panels integrate seamlessly with our camera system for a layered security approach. Absolutely top-tier protection for high-risk facilities.

CISO, Tech Company, Sydney

For our new data center, we implemented Hebei Maifa's double-layer security fence system. The outer fence features vertical slats and angled tops, while the inner fence is a 358 welded mesh. The two barriers sit six feet apart, creating a no-man's land that security studies show can slow intruders by about 80%. This security fence system integrates perfectly with our fiber-optic vibration sensors. The zinc coating on the steel ensures 25+ years of protection. For data center security and industrial sites, this security fence provides the ultimate physical barrier against determined attackers. A state-of-the-art perimeter security solution.

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 358 Anti-Climb Mesh for Maximum Security

358 Anti-Climb Mesh for Maximum Security

Hebei Maifa security fence uses the world-renowned 358 mesh specification: a 3-inch (76.2mm) by 0.5-inch (12.7mm) mesh aperture with a 4mm wire diameter. This design makes the security fence nearly impossible to climb, as the small openings eliminate any foot or finger holds. The robust 4mm wire and fully welded construction also make cutting extremely difficult for bolt cutters or wire cutters. This high-security fence is very suitable for prisons, military sites, airports, and sensitive industrial facilities. With a hot-dip galvanized after-welding finish and optional polyester powder coating, our 358 security fence combines uncompromising physical protection with excellent visibility for CCTV surveillance.
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