Mahadev Sales

Razor Fencing Wire

Metal Wire Series

Concertina wire or Dannert Wire is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire and steel pickets, it is used to form military wire obstacles.


Razor wire has various types according to the blade wire specification, such as BTO-12, BTO-18, CBT-65. The BTO refers to barbed tape concertina; while the BTO refers to barbed tape obstacle. And the 12, 18 or 65 refers to the barb length, barb length is the distance from in the middle of the blade tape to the next to the blade tape. The barbed length is longer, the razor wire is much sharper and more safe.