Firmstone (Tianjin) International Limited is one of the leading manufacturers and suppliers of double twist barbed wire in China. We are committed to providing high quality customized products for global clients. If you're going to buy durable double twist barbed wire made in China, welcome to get pricelist from our factory.
Double Twist Barbed Wire – upgraded medium-security fencing from single-twist design for enhanced boundary isolation and anti-climbing. Double-core twisting technology tightly twists two parallel core wires, fixing barbs between them. Interlocking structure improves compactness and firmness, barbs stay stable and anti-loosening under external force. Higher tensile strength, stability and anti-intrusion vs. single twist, withstands stronger impact, meets medium-grade security needs for formal perimeters requiring higher standards than basic fences.
Product Specification
The product adopts upgraded and standardized medium-security specifications suitable for formal boundary protection projects. The double core wire diameter ranges from 1.8mm to 2.8mm, providing dual stable tension support and higher structural strength. The matched barb wire diameter is 1.4mm to 2.2mm, ensuring sharper hardness and durable anti-climbing effect. The standard barb pitch ranges from 75mm to 150mm with neat and uniform arrangement, forming a dense and effective isolation barrier. The finished roll length is 250m to 1000m, adapting to large-scale continuous boundary laying. Featuring a highly tight double-twist interlocking structure, the whole wire body maintains long-term compactness without loosening or dislocation.
Material
This heavy-duty double twist barbed wire adopts full galvanized high-quality steel wire as the core raw material, including double core galvanized steel wires and matched galvanized barb wires. The low-carbon steel substrate delivers excellent tensile toughness and structural rigidity, ensuring the dual core wires maintain stable tension and are not prone to breakage under long-term pulling and extrusion. The overall hot-dip galvanized surface treatment forms a dense and uniform anti-corrosion layer, effectively resisting outdoor wind erosion, rainwater soaking and daily oxidation aging. Both core wires and barbed wires adopt consistent galvanizing technology, realizing uniform anti-rust performance for the whole fence body, avoiding partial corrosion failure, and greatly improving the overall service life and outdoor environmental adaptability of the protective fence.
Product Application
With higher structural stability and medium security protection performance, double twist barbed wire is widely used in scenarios requiring enhanced safety isolation. It is mainly applied to farm and pasture livestock anti-escape fencing to prevent livestock breaking through and wandering externally, highway roadside isolation protection to standardize traffic boundaries and prevent pedestrian crossing, factory perimeter fixed warning fences to protect industrial park safety, as well as village boundary security barriers and rural key regional isolation, providing stable and reliable medium-level safety protection for public and industrial boundaries.
Production Process
The product adopts precise and standardized double-twist integrated production process to ensure superior structural firmness: firstly, realize synchronous feeding and accurate pre-twisting of two core wires to ensure parallel and consistent tension; secondly, accurately insert the barb wire and complete double-twist locking and fixing to form an integrated stable structure; thirdly, perform equidistant punching and cutting to form neat, sharp and uniformly spaced barbs; fourthly, conduct professional tension pulling test to strictly verify barb firmness and overall structural stability; finally, finish standard roll winding and formal pallet packaging for convenient transportation and engineering construction.
Precaution for Use
Due to its sharp barbs and high-tension double-twist structure, operators must wear complete protective gloves and clothing during installation to avoid scratch injury. Avoid ultra-high tension stretching beyond the wire's bearing range to prevent core wire deformation or fracture. Do not artificially bend, cut or damage the fixed barbs, so as not to weaken the anti-climbing protection effect. For long-term outdoor boundary use, conduct regular inspection and fastening of loose positions. Store the products in dry and ventilated environments to prevent galvanized layer rust and ensure long-term stable protection performance.
Compare with Other Products
Compared with single twist barbed wire, double twist barbed wire has tighter structure, higher tensile strength and firmer barb fixation, effectively preventing barb falling off, with better anti-climbing and anti-damage performance, suitable for medium security scenarios. Different from ordinary smooth galvanized fence wires without warning function, it possesses strong anti-intrusion deterrent effect. Though its protection level is lower than high-strength concertina razor wire, it achieves excellent balance of safety performance and cost, becoming the most ideal medium-grade perimeter security fence for farms, factories and public roads.
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