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Cotter Pins

Cotter Pins

Hammerlock cotter pins are known for ease of installation and use. For semi-permanent applications, they are the most commonly used of all cotter type fasteners. Size is based upon effective length as measured from under head to end of prong. Made from low carbon steel, zinc plated only.

cotter pin

Cotter Pin Specs
Pin Diameter A
Shank
Diameter		 B
Wire
Width		 Head
Diameter		 Recommended
Hole Size
Max. Min. Max. Min. Min.
1/16 .060 .056 .060 .044 .12 5/64
5/64 .076 .072 .076 .057 .16 3/32
3/32 .090 .086 .090 .069 .19 7/64
7/64 .104 .100 .104 .080 .22 1/8
1/8 .120 .116 .120 .093 .25 9/64
5/32 .150 .146 .150 .116 .31 11/64
3/16 .176 .172 .176 .137 .38 13/64
1/4 .225 .220 .225 .176 .50 17/64
5/16 .280 .275 .280 .220 .62 5/16
3/8 .335 .329 .335 .263 .75 3/8

hammer cotter pin drawing
Cotter Pins Zinc Plated
Size Weight/Lbs.
Per 100 Pieces
1/16 X 1/2 .05
1/16 X 3/4 .07
1/16 X 1 .10
5/64 X 1/2 .13
5/64 X 3/4 .18
5/64 X 1 .22
5/64 X 1-1/4 .26
5/64 X 1-1/2 .30
3/32 X 1/2 .13
3/32 X 3/4 .18
3/32 X 1 .22
3/32 X 1-1/4 .26
3/32 X 1-1/2 .30
3/32 X 2 .39
7/64 X 1/2 .25
7/64 X 3/4 .35
7/64 X 1 .42
7/64 X 1-1/4 .50
7/64 X 1-1/2 .56
7/64 X 2 .72
1/8 X 1/2 .25
1/8 X 3/4 .35
1/8 X 1 .42
1/8 X 1-1/4 .50
1/8 X 1-1/2 .56
1/8 X 1-3/4 .65
1/8 X 2 .72
1/8 X 2-1/2 .90
5/32 X 3/4 .56
5/32 X 1 .68
5/32 X 1-1/4 .78
5/32 X 1-1/2 .90
5/32 X 1-3/4 1.00
5/32 X 2 1.15
5/32 X 2-1/2 1.40
3/16 X 3/4 .87
3/16 X 1 1.04
3/16 X 1-1/4 1.20
3/16 X 1-1/2 1.30
3/16 X 1-3/4 1.50
3/16 X 2 1.70
3/16 X 2-1/2 2.10
1/4 X 1 1.85
1/4 X 1-1/4 2.10
1/4 X 1-1/2 2.40
1/4 X 1-3/4 2.70
1/4 X 2 3.00
1/4 X 2-1/2 3.50
1/4 X 3 4.00
5/16 X 1 3.15
5/16 X 1-1/2 4.20
5/16 X 2 5.04
5/16 X 2-1/2 5.90
5/16 X 3 6.80
5/16 X 3-1/2 7.80
5/16 X 4 8.70
3/8 X 2-1/2 8.90
3/8 X 3 10.30
3/8 X 4 13.20

 

 

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Thread-Rite Screw Products Chicago, Illinois
9630 W. Foster Avenue Chicago, Illinois 60656
Phone: 773.992.2290 Fax: 773.992.2297
trsales@thread-rite.com


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