Razor Wire Concertina (HARPOON profile)
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.
coil diameter | 450mm (18 in) | 730mm (28 in) | 730mm (28 in) | 980mm (36 in) | 980 mm (36 in) | 1250mm (50 in) |
recommended stretch length | 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 | 54/55 | 54/55 | 54/55 | 54/55 | 54/55 | 54/55 |
clips per spiral | 3 | 5 | 3 | 5 | 7 | 9 |