CHOOSING BLADES AND ORDERING TECHNICAL TERMS

Razor wire and barb wire concertina coils can be made with many blade types. Blade size indicates the fencing effects by one way. The bigger the blades, more frightening the barriers become. Hence, the blade, together with coils diameter and loop numbers, they are three major parts for specifying the razor wire. This page help customers understand our technical terms and order easily. Advise your details when ordering will help get an effective quotation soon. You can also send your specific application, we will recommend razor wire fencing products with blade sizes, loops and other technical information accordingly. Go to our Specification Page and order directly if you are old customers who understand the technical terms listed in this page.

Blade Types: Common blade, medium blade size and large blade size. Popular type can be BTO-10, BTO-12, BTO-18, BTO-22, BTO-28, BTO-30, CBT-60, CBT-65 and etc.

Concertina Barbed Tape (CBT)and Barbed Tape Obstacle (BTO)

Model	Blade Thickness	Core Wire Diameter	Blade Length	Blade Width	Blade Space
BTO-10	0.5 ± 0.05mm	2.5 ± 0.1mm	10 ± 1mm	13mm	26mm
BTO-12	0.5 ± 0.05mm	2.5 ± 0.1mm	12 ± 1mm	15mm	26mm
BTO-18	0.5 ± 0.05mm	2.5 ± 0.1mm	18 ± 1mm	15mm	33mm
BTO-22	0.5 ± 0.05mm	2.5 ± 0.1mm	22 ± 1mm	15mm	34mm
BTO-28	0.5 ± 0.05mm	2.5 ± 0.1mm	28 ± 1mm	15mm	34mm
BTO-30	0.5 ± 0.05mm	2.5 ± 0.1mm	30 ± 1mm	18mm	34mm
CBT-60	0.6 ± 0.05mm	2.5 ± 0.1mm	60 ± 1mm	32mm	96mm
CBT-65	0.6 ± 0.05mm	2.5 ± 0.1mm	65 ± 1mm	21mm	100mm

Razor Type	Outside Diameter	No. of Loops	Standard Length per Coil	Notes
CBT-60, 65	450mm	33	7M-8M	Single Coil
CBT-60, 65	500mm	56	12M-13M	Single Coil
CBT-60, 65	700mm	56	13M-14M	Single Coil
CBT-60, 65	960mm	56	14M-15M	Single Coil
BTO-10, 12, 18, 22, 28, 30	450mm	56	8M-9M (3clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	500mm	56	9M-10M (3clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	600mm	56	10M-11M (3clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	600mm	56	8M-10M (5clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	700mm	56	10M-12M (5clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	800mm	56	11M-13M (5clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	900mm	56	12M-14M (5clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	960mm	56	13M-15M (5clips)	Cross Type
BTO-10, 12, 18, 22, 28, 30	980mm	56	14M-16M (5clips)	Cross Type

Blades Illustrations:

CBT-65 Blade Type Razor Wire:
Blade Steel Sheet Thickness: 0.6+/-0.05mm; blade length: 65+/-2mm; width: 21+/-1 and the blade spacing: 101+/-2mm.

BTO 30: Medium Blade Razor Wire:

Razor wire thickness: 0.5±0.05. Core wire diameter: 2.5mm. Blade Length: 30mm, width 18mm and blade spacing: 45±1

BTO-28 Medium Blade Type:

Razor thickness: 0.5±0.05, core wire diameter: 2.5mm. Blade length 28mm, width 15mm and blade spacing: 46±1

BTO-22 Medium Size Blade Type:

Steel Sheet thickness: 0.5±0.05, core wire diameter: 2.5±0.1. Blade length 22±1mm, width 15±1, blade spacing: 36±1mm.

BTO-18 Common Small Size Blade:
Steel sheet thickness 0.5±0.05, core wire diameter: 2.5±0.1. Blade length 18±1, width 15±1, blade spacing: 35±1

BTO-12 Common Small Size Blade:
Steel Sheet thickness 0.5±0.05, core wire diameter: 2.5±0.1. Blade length 12±1, width 15±1, blade spacing: 25±1

BTO-10 Common Small Size Blade:
Steel Sheet thickness 0.5±0.05, core wire diameter: 2.5±0.1. Blade length 10±1, width 13±1, blade spacing: 25±1

Diameter of the concertina coils ranges: 450mm, 500mm, 600mm, 700mm, 800mm, 900mm. Custom sizes acceptable.

Loop / coils of concertina razor wire are mostly 56 circles per unit. The coils numbers can be custom made according to security area length.

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