Barbed wire and spikes are all mounted along top rails of fencing panels for high level of security purposes.

Stranded Barbed Wire

Materials:
Electro-galvanized
Hot dipped galvanized
Plastic coated galvanised steel

Main types:
Single barbed wire or single strand barbed wire
Hot Dip galvanized steel barbed wire, HDG Galv.
Reverse twisted galvanized barbed wire
Double strand barbed wire, electro-galvanised and zinc galv.

Typical size:

Wire gauge: BWG14
Barb distance:12.5 cm
Barb length: 1.8 cm
Finish: HDG hot zinc plate (zn)
Strand: Double

Razor Barbed Tape Wire ( Simplified as RAZOR WIRE)

Materials:
Hot dipped galvanized steel
Stainless steel 304, 316. 

Forms:
Razor barb wire coils
Razor wire flat wrap
Razor wire can also be made welded mesh sheet ( in square and diamond hole).

Concertina Barbed Wire ( Simplified as ConCERTINA COILS)

Concertina wire is spiral type high-security barbed wire designed for physical perimeter and security fencing in military and border security.

Materials:
Heavy galvanized (HDG Galvanised)
SUS304
SUS316

Supplied with concertina barbed wire, post, support poles

Standard: BS 1706, ISO 550, BS.EN.10002 and BS 443: 1982.

Blade types: CBT-65, BTO-22, etc.