3M™ Steel Barb Cable Ties
Data Sheet
April 2019
Description
3M™ Steel Barb Cable Ties are molded from 6/6 nylon and are available in a variety
of sizes including weather-resistant black for outdoor use. The pawl is manufactured
from 304 stainless steel.
Agency Approvals &
Self Certifications
Products are UL Listed per UL Standard 62275 for Cable Management Systems,
Type 21 or 21S. All ties are suitable for use in Air Handling spaces (AH-2)
Black colored ties are manufactured using a UV-resistant material and are UL Listed
as suitable for use outdoors.
U.L. File # E116841
For RoHS and REACH information, please visit www.3M.com/regs
Applications
3M™ Steel Barb Cable Ties are used to secure wire bundles and harness
components quickly. The flexible design allows the user to slip ties easily under and
around cables and harnesses. The stainless steel pawl design provides a secure and
reliable grip.
Specifications
Open Specifications
All ties must be U.L. Listed, Type 21 or 21S, and tested to U.L. Standard 62275 for
Cable Management Systems.
Closed Specifications
Product must be 3M™ Steel Barb Cable Ties, U.L. Listed, Type 21 or 21S, and tested
to U.L. Standard 62275 for Cable Management Systems
Ordering Information
CTLCTXP
CT Type:
CT = Standard Tie
CTSB = Steel Barb Tie
CTB = Cable Tie Base
Examples:
CT8BK50-M
CTSBK850-C
CTB1X1NTA-C
Length (L) inches:
Ties = Length
Bases = Length x Width
Special Features (X):
= Standard (blank)
S = Screw Mount
A = Adhesive Mount
Color (C):
BK = Black
NT = Natural
RD = Red
BG = Beige
Packaging (P):
L = 50
C = 100
D = 500
M = 1000
Tensile (T) pounds:
18 = Miniature
40 = Intermediate
50 = Standard
110 = Light Heavy Duty
120 = Light Heavy Duty
175 = Heavy Duty
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3M™ Steel Barb Cable Ties
Natural Nylon 6/6 Steel Barb Cable Ties
Length
in (mm)
Width
in (mm)
Thickness
In (mm)
Max Bundle
Diameter
in (mm)
Tensile
lb (N)
Min
Operating
Temp
°C (°F)
Max
Operating
Temp
°C (°F)
4.0 (102)
7.9 (201)
.09 (2,4)
.09 (2.4)
.04 (1,0)
.04 (1,0)
.90 (23)
2.00 (51)
18 (80)
18 (80)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
100
100
.14 (3,6)
.05 (1,3)
1.37 (35)
40 (178)
-40 (-40)
85 (185)
-40 (-40)
100
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
1.77 (45)
1.77 (45)
3.19 (81)
3.19 (81)
4.21 (107)
4.21 (107)
49 (220)
49 (220)
49 (220)
49 (220)
49 (220)
49 (220)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
85 (185)
85 (185)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
100
1000
100
1000
100
1000
.39 (10,0)
.39 (10,0)
.39 (10,0)
.28 (7,0)
.07 (1,7)
.07 (1,7)
.07 (1,7)
.06 (1,6)
4.29 (109)
4.29 (109)
4.88 (124)
7.99 (203)
124 (550)
124 (550)
124 (550)
112 (500)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
50
500
50
50
Min
Install
Temp
°C (°F)
Part
Number
Min
Install
Temp
°C (°F)
Bag
Quantity
Miniature (Type 21)
CTSB4NT18-C
CTSB8NT18-C
Intermediate (Type 21)
CTSB6NT40-C
6.1 (155)
Standard (Type 21S)
CTSB8NT50-C
CTSB8NT50-M
CTSB11NT50-C
CTSB11NT50-M
CTSB15NT50-C
CTSB15NT50-M
7.3 (186)
7.3 (186)
11.6 (295)
11.6 (295)
14.8 (376)
14.8 (376)
Light Heavy Duty (Type 21S)
CTSB15NT120-L
CTSB15NT120-D
CTSB18NT120-L
CTSB28NT110-L
15.7 (400)
15.7 (400)
17.7 (450)
27.5 (699)
UV Resistant Black Nylon 6/6 Steel Barb Cable Ties
Length
in (mm)
Width
in (mm)
Thickness
In (mm)
Max Bundle
Diameter
in (mm)
Tensile
lb (N)
Min
Operating
Temp
°C (°F)
Max
Operating
Temp
°C (°F)
4.0 (102)
7.9 (201)
.09 (2,4)
.09 (2.4)
.04 (1,0)
.04 (1,0)
.90 (23)
2.00 (51)
18 (80)
18 (80)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
100
100
.14 (3,6)
.05 (1,3)
1.37 (35)
40 (178)
-40 (-40)
85 (185)
-40 (-40)
100
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.19 (4,8)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
.06 (1,5)
1.77 (45)
1.77 (45)
3.19 (81)
3.19 (81)
4.21 (107)
4.21 (107)
49 (220)
49 (220)
49 (220)
49 (220)
49 (220)
49 (220)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
85 (185)
85 (185)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
-40 (-40)
100
1000
100
1000
100
1000
Part
Number
Bag
Quantity
Miniature (Type 21)
CTSB4BK18-C
CTSB8BK18-C
Intermediate (Type 21)
CTSB6BK40-C
6.1 (155)
Standard (Type 21S)
CTSB8BK50-C
CTSB8BK50-M
CTSB11BK50-C
CTSB11BK50-M
CTSB15BK50-C
CTSB15BK50-M
7.3 (186)
7.3 (186)
11.6 (295)
11.6 (295)
14.8 (376)
14.8 (376)
Light Heavy Duty (Type 21S)
CTSB15BK120-L
CTSB15BK120-D
CTSB18BK120-L
15.7 (400)
15.7 (400)
17.7 (450)
.39 (10,0)
.39 (10,0)
.39 (10,0)
.07 (1,7)
.07 (1,7)
.07 (1,7)
4.29 (109)
4.29 (109)
4.88 (124)
124 (550)
124 (550)
124 (550)
-40 (-40)
-40 (-40)
-40 (-40)
85 (185)
85 (185)
85 (185)
-40 (-40)
-40 (-40)
-40 (-40)
50
500
50
CTSB28BK110-L
27.5 (699)
.28 (7,0)
.06 (1,6)
7.99 (203)
112 (500)
-40 (-40)
85 (185)
-40 (-40)
50
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3M™ Steel Barb Cable Ties
Availability
Please contact your local distributor; available from 3M.com/electrical [Where to Buy]
or call 1.800.245.3573.
Shelf Life & Storage
3M™ Steel Barb Cable Ties have a 5-year shelf life from date of manufacture when
stored in a humidity controlled storage (10°C/50°F to 27°C/80°F and