Alma Bolt Company & Prime Fasteners 1-800-526-2200

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Cotter Pins

Cotter pins are...

used to lock clevis pins, slotted nuts, and other fasteners, one prong of the cotter pin is extended for easy insertion. Available in zinc-plated, plain steel, stainless steel, or brass. Stocked in diameters from 1/32" to 3/4" and lengths from 1/4" to 12". Assortments available. Call us for an actual size chart.

Group codes Represented: CP
Part# Example: 0475CP, 37200CP

Cotter Pins - Extended Promg, Chisel Point
Nominal Size
Basic Pin Diameter
T
W
B
A
Recommended Hole Size
Total Shank Diameter
Wire Width
Head Diameter
Extended Prong Length
Max.
Min.
Max.
Min.
Min.
Min.

1/16

0.062
0.060
0.056
0.060
0.044
0.12
0.03
0.078
3/32
0.094
0.090
0.086
0.090
0.069
0.19
0.04
0.109
1/8
0.125
0.120
0.116
0.120
0.093
0.25
0.06
0.141
5/32
0.156
0.150
0.146
0.150
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
1/4
0.250
0.225
0.220
0.225
0.176
0.50
0.11
0.266
5/16
0.312
0.280
0.275
0.280
0.220
0.62
0.14
0.312
3/8
0.375
0.335
0.329
0.335
0.263
0.75
0.16
0.375
1/2
0.500
0.473
0.467
0.473
0.373
1.00
0.23
0.500
Tolerance on Length
Nominal Pin Length
Up to 1 in.
1 in. and longer
+ or - 0.03
+ or - 0.06

 

Cotterless Clevis Pins

This special Clevis Pin is self-locking and reusable. It needs no cotter pin because of it's locking ball mechanism. The mechanism as shown below can be inserted at various depths for extra versatility. Variations in the pin removable force are available according to customer specifications. Stocked in zinc plated and stainless steel. Diameters from 3/16" to 1/2" and lengths from 1" to 5". Assortments available.


Group codes Represented: CCLP
Part# Example: 37100CCLP

Universal Clevis Pins

This carbon steel clevis pin has holes that allow the adjustment of the effective length. Holes are 1/4" on center. The number of holes increases with pin length. Stocked in diameters from 3/16" to 5/8" and lengths from 1" to 4". Assortments available.

Group codes Represented: UCLP
Part# Example: 37200CLP

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