High Security Fence
358 anti-climb fence · 76.2 × 12.7 mm mesh aperture · Ø4 mm wire · powder-coated · 1000–3000 mm height

358 high security fence panel that physically prevents climbing and defeats cutting tools through its 76.2 × 12.7 mm narrow aperture profile and Ø4 mm wire combination. The most reliable perimeter security solution from power stations, airports, and military installations to commercial complexes.
- Height1000–3000mm
Internationally accredited, certified manufacturing
- ISO 9001:2015Kalite Yönetim Sistemi
- ISO 14001:2015Çevre Yönetim Sistemi
- ISO 45001:2018İş Sağlığı ve Güvenliği Yönetim Sistemi
- CECE Uygunluk Beyanı (EN 10223-4)
- TSETürk Standardlarına Uygunluk

76.2 × 12.7 mm Aperture. No Finger. No Cutting Tool.
The security of the 358 fence is not coincidental — it is the product of a calculated geometry. The 76.2 × 12.7 mm narrow aperture physically prevents a finger or cutting tool from entering. The Ø4 mm high-tensile wire makes cutting with standard pliers near-impossible.
- 76.2 × 12.7 mm anti-climb mesh geometry
- Ø4.00 × 4.00 mm or Ø4.00 × 6.00 mm high-tensile wire
- Every intersection spot-welded — rigid, deformation-free
- Electrostatic powder coating — UV and corrosion resistance
Integrated production from raw material to quality control
- 01
Wire Sourcing
Ø4.00 mm steel wires are produced from high-tensile steel to EN 10025 standard; tensile strength and hardness tests are applied at goods-in inspection.
- 02
Straightening & Pitch Setting
Wires are positioned on CNC straightening lines to the 76.2 × 12.7 mm aperture dimension; horizontal and vertical wire spacings are set to precise tolerances.
- 03
Spot Welding
Every intersection is secured by fusion welding on automatic spot welding machines; a weld joint tensile test is applied to every batch.
- 04
Surface Pre-treatment
Before powder coating, panels undergo acid pickling, phosphating, and chrome-free pre-coating; ensuring long-term paint adhesion.
- 05
Electrostatic Powder Coating
Panels are coated in an oven environment at 180–200 °C with electrostatic powder coating; UV resistance, scratch resistance, and long service life.
- 06
Quality Control & Packaging
Aperture tolerance, weld strength, coating thickness, and colour conformity are checked; panels are packaged with a test certificate.

Maximum Security Combination with Top Razor Wire
While the 358 panel forms a powerful barrier on its own, the addition of concertina razor wire on top takes the security level to its maximum. The international standard preferred at power stations, military installations, and airport perimeters.
- Concertina or flat razor wire add-on option
- Secure installation with dedicated bracket fitting
- Visible deterrent effect — prevents attempts
- Complementary gate and accessory systems
Engineered solutions for every sector
Enerji & Altyapı
Enerji santrali, trafo merkezi, doğalgaz istasyonu ve içme suyu tesisi gibi kritik altyapı sınır güvenliğinde; izinsiz erişimi ve sabotaj riskini en aza indirir.
Havalimanı & Liman
Apron, pist çevresi ve liman bölgesi güvenliğinde; görsel geçirgenlik korunurken tırmanma ve kesimi fiilen engeller.
Askeri & Kamu Güvenliği
Askeri tesis, gözetim merkezi ve cezaevi çevre güvenliğinde — uluslararası yüksek güvenlik standartlarının referans ürünü.
OSB & Sanayi
Organize sanayi bölgesi ve fabrika çevre güvenliğinde; gece güvenliğini artırır, hırsızlık ve izinsiz girişe karşı güçlü caydırıcı etki.
Ticari & Konut Kompleksi
AVM, ofis kampüsü ve lüks konut projelerinde hem güvenlik hem de estetik; antrasit veya siyah toz boyayla modern mimariyle uyum sağlar.

Reliable Solution from Critical Infrastructure to Commercial Complexes
A wide application range spanning power stations, industrial facilities, sports complexes, and commercial sites through to residential projects. RAL colour options combine environment-compatible aesthetics with security.
- Energy, industrial, public sector, and commercial projects
- 1000–3000 mm height — suitable for every security level
- 2010 / 2510 / 3010 mm standard panel widths
- RAL 6005 / RAL 7016 / RAL 9005 powder coating
Height, weight and recommended post spacing
| Height (mm) | Weight (kg/panel) | Panel Width (mm) | Recommended Post Spacing (mm) |
|---|---|---|---|
| 1000 | 16.0 | 2010 | 2500 |
| 1200 | 19.0 | 2510 | 2500 |
| 1500 | 24.0 | 2010 | 2500 |
| 2000 | 32.0 | 2510 | 2500 |
| 2400 | 38.5 | 3010 | 2500 |
| 3000 | 48.0 | 3010 | 2500 |
Two-layer galvanised + PVC protection
- RAL 6005#2a4d31YeşilPowder Coated
- RAL 7016#293133AntrasitPowder Coated
- RAL 9005#0a0a0aSiyahPowder Coated
| Tip | 358 Anti-Tırmanma Çiti (Prison Mesh / KFS-358) |
|---|---|
| Göz Aralığı | 76,2 × 12,7 mm — tırmanmayı ve kesimi engeller |
| Tel Çapı | Ø4,00 × 4,00 mm veya Ø4,00 × 6,00 mm |
| Yükseklik | 1000 – 3000 mm (standart: 1000 / 1200 / 1500 / 2000 / 2400 / 3000 mm) |
| Panel Genişliği | 2010 / 2510 / 3010 mm |
| Kaplama | Galvaniz + Polyester Elektrostatik Toz Boya — RAL 6005 Yeşil / RAL 7016 Antrasit / RAL 9005 Siyah |
What Is a High Security Fence (358)?
The high security fence is a specialist engineered product also known as "358" or "Prison Mesh". It takes its name from its defining characteristics: a 3" × 0.5" mesh aperture (76.2 × 12.7 mm) and 8-gauge (~Ø4 mm) wire. These dimensions are chosen deliberately: too narrow to insert a finger, too small to admit a wire cutter, and too narrow to form a foot or hand hold.
Security Value of the Mesh Geometry
Compared with the 50–200 mm mesh aperture of standard panel fences, the 76.2 × 12.7 mm aperture of the 358 provides three critical advantages:
- Anti-climb: The narrow horizontal aperture does not allow foot or hand holds to form.
- Anti-cut: No cutting tool (pliers, chisel) can fit into the aperture; the Ø4 mm wire provides a thick cutting-resistance.
- Visual permeability: Despite the dense wire mesh, inside-to-outside visibility is maintained with no blind spots.
Technical Specifications
- Mesh Aperture: 76.2 × 12.7 mm
- Wire Diameter: Ø4.00 × 4.00 mm or Ø4.00 × 6.00 mm (heavier horizontal wire option)
- Panel Height: 1000 / 1200 / 1500 / 2000 / 2400 / 3000 mm
- Panel Width: 2010 / 2510 / 3010 mm
- Coating: Galvanised + Polyester Electrostatic Powder Coating — RAL 6005 Green, RAL 7016 Anthracite, RAL 9005 Black, or custom RAL
Applications
- Power station, substation, and critical infrastructure perimeter security
- Airport perimeter security and apron boundaries
- Military installations, prisons, and detention centre perimeters
- OIZ and industrial zone perimeter security
- Commercial and residential complex high security perimeters
- Sports facilities, museums, and public building boundaries
Additional Security Options
In addition to the standard 358 fence panel, concertina razor wire or flat razor wire can be fitted to the top section; this combination maximises the security level. Gate systems, posts, and installation fittings can be supplied as complementary items.
For project-based technical consultancy and large-area perimeter security projects, please share your site conditions, perimeter length, and security requirements; our team will provide a technical solution and price within the day.
Ürün Kodu
PRD-0010
Çit
High Security Fence Manufacturer
High Security Fence is manufactured directly by Konak Tel Çit at its factory in Aksaray — not outsourced, but produced in house from start to finish. The tight 358 mesh (76.2 × 12.7 mm) is produced with precision spot welding; this anti-climb panel resists hand and tool access and is powder-coated.
Quality assurance: production certified to ISO 9001, ISO 14001, ISO 45001 and CE; every batch is checked for mesh dimensions, weld strength and coating.
Integrated factory production in Aksaray since 1972
- Founded
- 1972
- Production Sites
- 2
- Export Reach
- 80+ Countries
- Annual Capacity
- 60,000 tons
- Covered Area
- 20,000 m²
- Quality
- ISO · CE · TSE
Nationwide shipping in Türkiye and exports to 80+ countries
- Panels per Pallet20
- Pallets per Container20
- Lead Time (days)7–14
- Exports80+ countries
Frequently Asked Questions
6 soru · teknik, montaj ve sipariş bilgileri
Çit
Çit3D Panel Fence
Welded V-crimp galvanised panel · high structural rigidity, easy installation
Detay
Çit2D Double Panel Fence
Welded panel with double horizontal wire reinforcement · superior rigidity, professional appearance
Detay
ÇitDecorative Security Fence
Ornamental panel fence · Ø4–8 mm wire · 55×150 mm mesh aperture · 800–2000 mm height · powder-coated
Detay