Cotter
Pins
The country’s largest in-stock line of cotter pins,
including self-locking and hammerlock styles.
Our
Standard - Extended Prong and Hammerlock
All
sizes and shapes manufactured to customer’s specifications
for varied industrial applications.
Available
in carbon steel, stainless steel, brass, monel, copper,
aluminum, high carbon steel, (plain or heat treated) in
special shapes, extra long. Plain or plated.
Designed
to meet or exceed MS24665 Army-Navy, and ASME B18.8.1 specifications.
Western Wire Cotter Pins are of the highest quality and
backed by years of manufacturing experience.
Our
Standard
|
|
Extended
Prong - Chisel Point
Available
1/32" dia. thru 1" dia.
|
 |
|
Hammerlock
Expressly
made for castellated nuts for fast, accurate assembly.
1/16" thru 3/8" dia.
|
 |
Specials
|
|
Taper
Point
Align
assembly for easy insertion, 3/32" thru 3/8"
dia.
|
 |
Extended
Prong |
 |
Even
End |
|
|
Even
End - Chisel Point
|
 |
|
Self
- Locking
Use
where spreading space is limited. Up to & including
5/16" dia. only.
|
 |
|
Tee
Head
|
 |
|
Humped
1/16"
thru 1/4" dia. only.
|
 |
|
|
|
Cotter
Pin Size Range
|
|
Diameter
(inch)
|
Lengths
(inch)
|
|
1/32
and 3/64
|
1/4
thru 1-1/2
|
|
1/16
|
1/4
thru 3
|
|
3/32
and 5/64
|
1/2
thru 4
|
|
1/8
and 7/64
|
1/2
thru 4
|
|
5/32
and 9/64
|
3/4
thru 4
|
|
3/16
|
3/4
thru 4
|
|
1/4
and 7/32
|
1
thru 6
|
|
5/16
|
1
thru 6
|
|
3/8
|
1-1/2
thru 18
|
|
1/2
and 7/16
|
2
thru 22
|
|
5/8
|
3
thru 22
|
|
3/4
|
3
thru 22
|
|
7/8
|
to
order
|
|
1
|
to
order
|
|
1-1/4
|
to
order
|
| |
| ASME
B18.8.1 Specifications |
|
Nominal Size on Basic Pin Diameter
|
Total
Shank Diameter*
|
Wire
Width
|
Head
(OD) Diameter
|
Extended
Prong Length
|
Gauge
Hole Diameter
+/- 0.001
|
| |
"A"
|
"B"
|
"C"
|
"D"
|
|
| |
Max.
|
Min.
|
Max.
|
Min.
|
Min.
|
Min.
|
|
1/32"
|
0.031
|
0.032
|
0.028
|
0.032
|
0.022
|
0.06
|
0.01
|
0.047
|
|
3/64"
|
0.047
|
0.048
|
0.044
|
0.048
|
0.035
|
0.09
|
0.02
|
0.062
|
|
1/16"
|
0.062
|
0.06
|
0.056
|
0.06
|
0.044
|
0.12
|
0.03
|
0.078
|
|
5/64"
|
0.078
|
0.076
|
0.072
|
0.076
|
0.057
|
0.16
|
0.04
|
0.094
|
|
3/32"
|
0.094
|
0.09
|
0.086
|
0.09
|
0.069
|
0.19
|
0.04
|
0.109
|
|
7/64"
|
0.109
|
0.104
|
0.1
|
0.104
|
0.08
|
0.22
|
0.05
|
0.125
|
|
1/8"
|
0.125
|
0.12
|
0.116
|
0.12
|
0.093
|
0.25
|
0.06
|
0.141
|
|
9/64"
|
0.141
|
0.134
|
0.13
|
0.134
|
0.104
|
0.28
|
0.06
|
0.156
|
|
5/32"
|
0.156
|
0.15
|
0.146
|
0.15
|
0.116
|
0.31
|
0.07
|
0.172
|
|
3/16"
|
0.188
|
0.176
|
0.172
|
0.176
|
0.137
|
0.38
|
0.09
|
0.203
|
|
7/32"
|
0.219
|
0.207
|
0.202
|
0.207
|
0.161
|
0.44
|
0.1
|
0.234
|
|
1/4"
|
0.25
|
0.225
|
0.22
|
0.225
|
0.176
|
0.5
|
0.11
|
0.266
|
|
5/16"
|
0.312
|
0.28
|
0.275
|
0.28
|
0.22
|
0.62
|
0.14
|
0.312
|
|
3/8"
|
0.375
|
0.335
|
0.329
|
0.335
|
0.263
|
0.75
|
0.16
|
0.375
|
|
7/16"
|
0.438
|
0.406
|
0.4
|
0.406
|
0.32
|
0.88
|
0.2
|
0.438
|
|
1/2"
|
0.5
|
0.473
|
0.467
|
0.473
|
0.373
|
1
|
0.23
|
0.5
|
|
5/8"
|
0.625
|
0.598
|
0.59
|
0.598
|
0.472
|
1.25
|
0.3
|
0.625
|
|
3/4"
|
0.75
|
0.723
|
0.715
|
0.723
|
0.572
|
1.5
|
0.36
|
0.75
|
|
Note:
Total shank diameter, "A" Dimension, is
two times wire thickness.
"A" is measured at end of pin where no gap
is permitted.
Lengths
not listed, quotation upon request.
|
|
Metric
Specifications
|
|
Nominal Size on Basic Pin Diameter
|
Total
Shank Diameter*
|
Wire
Width
|
Head
(OD) Diameter
|
Extended
Prong Length
|
Gauge
Hole Diameter
+/- 0.03
|
| |
"A"
|
"B"
|
"C"
|
"D"
|
|
| |
Max.
|
Min.
|
Max.
|
Min.
|
Min.
|
Min.
|
|
1.2
mm
|
1.0
|
0.9
|
1.0
|
0.8
|
1.7
|
1.2
|
1.20
|
|
1.6
mm
|
1.4
|
1.3
|
1.4
|
1.1
|
2.4
|
1.2
|
1.60
|
|
2.0
mm
|
1.8
|
1.7
|
1.8
|
1.4
|
3.2
|
1.2
|
2.00
|
|
2.5
mm
|
2.3
|
2.1
|
2.3
|
1.7
|
4.0
|
1.2
|
2.50
|
|
3.2
mm
|
2.9
|
2.7
|
2.9
|
2.2
|
5.1
|
1.6
|
3.20
|
|
4.0
mm
|
3.7
|
3.5
|
3.7
|
2.8
|
6.5
|
2.0
|
4.00
|
|
5.0
mm
|
4.6
|
4.4
|
4.6
|
3.5
|
8.0
|
2.0
|
5.00
|
|
6.3
mm
|
5.9
|
5.7
|
5.9
|
4.6
|
10.3
|
2.0
|
6.30
|
|
8.0
mm
|
7.5
|
7.3
|
7.5
|
5.9
|
13.1
|
2.0
|
8.00
|
|
Meets
ASME B18.8.6M Specifications
|