Razor Wire Harpoon Blade
Concertina

12″, 14″, 15″, 16″, 18″, 24″, 30″

Birmingham Barbed Tape Ltd. produces the above (depending on the size of the coil) in options of 3, 5, 7 or 9 clips.

Options of 31, 33, 51 and 56 spirals are available or alternatively, any spiral number the client requires to create a unique product to the buyer’s need.

Again, these sizes and spiral options are available in either stainless steel strip over stainless steel core wire (see steel specification attached). Stainless steel strip over galvanised core wire of the least cost option of galvanised strip over galvanised core wire.

Double Concertina

30″/24″
Standard 31 loop reinforced stainless steel of galvanised steel cold clinched around galvanised steel or stainless steel reinforcing wire (see specification attached).

Each cluster of barbs to be four needle sharp barbs on 4″ centres, each barb to measure 2,4″ in length.

Adjacent coil loops shall be alternatively clipped together and attached at 3 points of approximate equal spacing around the coil diameter. Length 20′ per roll.

Razor Wire Concertina Specification / Options
Coil diameter

300mm
(12 in)

450mm
(18 in)
730mm
(28 in)
730mm
(28 in)
980mm
(36 in)
980 mm
(36 in)
1250mm
(50 in)
Recommended stretch length
4 m
10 m
10 – 12 m
15 -20 m
10-15 m
8 m
8 m
Coil diameter when stretched
400mm
620mm
600mm
820mm
850mm
1150mm
Spiral turns per coil
33
54/55
54/55
54/55
54/55
54/55
54/55
Clips per spiral
3
3
5
3
5
7
9