Made to order. Convenient removable
pin designed with a cotter hole for a secure application. Used
typically with a hair spring cotter, this fastener offers fast
and secure adjustments or assemblies. Available with or without
a stop collar in various styles and sizes.
Standard material is 12L14 carbon steel, zinc
plated. Higher carbon steel which can be treated is available
or corrosion-resistant stainless on request.
Ring Pin Specs
A
Nominal Pin Dia.
Diameter Tolerances Before Plating Cold Finished Rounds
Pull Ring Dia. (Inches)
End Chamfer Length x 15° (Inches)
Pivot Point Standard Hole Diameter
Recommended Bow-Tie Cotter
Carbon Steel
Stainless
3/16
.1855-.1875
.1865-.1885
7/8
0.078
3/32
1/4
.2480-.2500
.2490-.2510
1
0.094
3/32
Bow-72
5/16
.3105-.3125
.3110-.3140
1
0.125
1/8
"Bow-72,91"
3/8
.3730-.3750
.3735-.3765
1
0.141
9/64
Bow-91
7/16
.4355-.4375
.4360-.4390
1
0.156
5/32
Bow-120
1/2
.4980-.5000
.4980-.5020
1-1/4
0.172
5/32
Bow-120
5/8
.6230-.6250
.6230-.6270
1-1/4
0.188
5/32
3/4
.7480-.7500
.7480-.7520
1-1/2
0.188
3/16
Plating will
typically add
".0002""- .0005"""
to diameter.
" Unless otherwise noted, all dimensions are for reference only."
Washer Collars.
Standard zinc-plated flat washers stamped firmly into a groove for a permanent stop. Assembly is completely plated.
Fits Pin Dia.
USS Standard Washer Dimensions (Inches)
Size
I.D.
O.D.
Thickness
3/16
5/32*
3/16
7/16
0.047
1/4
3/16
1/4
9/16
0.047
5/16
1/4
5/16
3/4
0.062
3/8
5/16
3/8
7/8
0.078
7/16
3/8
7/16
1
0.078
1/2
7/16
1/2
1-1/4
0.078
5/8
9/16
5/8
1-1/2
0.109
3/4
9/16
3/4**
1-1/2
0.109
*SAE Standard for No. 8 **Bored to fit.
"Unless otherwise noted, all dimensions are for reference only."
Crimp Collars.
Crimp collars are small diameter retaining rings made of ductile 1010 carbon steel. Pressed into a groove the collar is generally free to rotate, yet strong against end thrust. Assembly is completely plated.
A
Fits Pin Dia.
Groove Dimensions
Ring Dimensions
B
Width
C
Depth
W
Width
D
O.D. Installed
3/16
0.034
0.031
0.031
0.250
1/4
0.034
0.031
0.031
0.312
5/16
0.043
0.031
0.039
0.406
3/8
0.052
0.031
0.047
0.500
7/16
0.060
0.031
0.055
0.594
1/2
0.069
0.031
0.063
0.688
5/8
0.086
0.039
0.078
0.859
3/4
0.103
0.047
0.094
1.031
Tolerances
+(-).002
+(-).002
+.002/-.004
Ref.
Headed Collars.
One piece cold formed pin and collar for the highest durability.
