Concertina Wire Used as Barrier Fencing with High Security

Concertina wire is a type of razor wire which is formed in large coil which can be expanded like a concertina. In the past time, It is widely used in wars as barrier for protection and defense. Later concertina razor wire can be found in agriculture, industry, road protection and other fields. Concertina razor wire materials have galvanized sheet, stainless steel sheet, low carbon sheet and hot dipped galvanized wire, stainless steel wire and others.

Concertina wire includes flat and coil types. The common concertina wire coil has the single and double coils. Double concertina wire using two pieces of stainless steel razor wire or zinc-coated razor wire are bound together by clips to make it stronger. It is used as security fencing and isolation for gardens, residences, military sites and other sites requiring high security.

We can provide some new technical specifications of galvanized concertina wire coils.

• Approximate diameter: between 900 and 1000 mm.
• Length stretched out: 10m to 14 m.
• Number of spires per coil: ≥ 50.
• Wire: - Galvanized wire of high resistance (≥ 120 Kg/mm²).
• Diameter of the inner wire: ≥ 2.4 mm.
• Blade:
  • The design of the blades: Galvanized steel strip with cut blades.
  • A: Blade length between 10 and 20 mm.
  • B: Blade width between 13 and 21 mm.
  • C: Separation between the blades: between 12 and 37 mm.
  • D: Blade thickness: ≥ 0.45 mm.
• You can ask for your requirements according to your needs.

Reference Number	Blade Style	Thickness	Wire Dia	Barb Length	Barb Width	Barb spacing
BTO-10		0.5±0.05	2.5±0.1	10±1	13±1	26±1
BTO-12		0.5±0.05	2.5±0.1	12±1	15±1	26±1
BTO-18		0.5±0.05	2.5±0.1	18±1	15±1	33±1
BTO-22		0.5±0.05	2.5±0.1	22±1	15±1	34±1
BTO-28		0.5±0.05	2.5	28	15	45±1
BTO-30		0.5±0.05	2.5	30	18	45±1
CBT-60		0.6±0.05	2.5±0.1	60±2	32±1	100±2
CBT-65		0.6±0.05	2.5±0.1	65±2	21±1	100±2

Barbed Tape Concertina (CBT); Barbed Tape Obstacle (BTO)
Standard materials are either galvanized or stainless steel.
Note: the length and the diameter of the coil can be designed according to the customers' need.

Concertina Razor Edge Wire (Triple Coil-3 Coils in Pyramid shape)

• Diameter of the base coils: 73 cm (730 mm × 2).
• Diameter of the top coil: 98 cm (980 mm²).
• Tensile strength of the wire: 1500 N/ square millimeter.
• Designed to deploy from a SD-120 trailer as each Module with 2 handling frames and connection fixture.
• Barbed tape is conform to the updated MIL.
• Specs equivalent to BT0-22.
• Three coils joint together.
• Core wire: 2.5 mm.
• Blade Thickness: 0.5 mm.
• Barb Length: 22 mm.
• Barbed Width: 15 mm.
• Barbed Spacing: 34 mm.
• Finishing: Hot dipped galvanized.

Concertina Razor Edge Wire (Single Coil)

• Outside Diameter: 27 inch.
• Core Wire: 2.5 mm.
• Blade Thickness: 0.5 mm.
• Barbed Length: 22 mm.
• Barb Width: 15 mm.
• Barb Spacing: 34 mm.
• Finishing: Hot dipped galvanized.