| Nominal Size or Basic Pin Diameter |
A |
B |
C |
D |
E |
F |
G |
H |
J |
K |
L |
Recom mended Cotter Pin Nominal Size |
| Shank Diameter |
Head Diameter |
Head Height |
Head Cha
meter |
Hole Diameter |
Point Diameter |
Pin Length |
Head to Center of Hole |
End to Center Ref |
Head to Edge of Hole Ref |
Point Length |
| Max |
Min |
Max |
Min |
Max |
Min |
+0.01 |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
Basic |
Max |
Min |
Max |
Min |
| 3/16 0.188 |
0.186 |
0.181 |
0.32 |
0.30 |
0.07 |
0.05 |
0.02 |
0.088 |
0.073 |
0.15 |
0.14 |
0.58 |
0.504 |
0.484 |
0.09 |
0.548 |
0.520 |
0.055 |
0.035 |
1/16 |
0.062 |
| 1/4 0.250 |
0.248 |
0.243 |
0.38 |
0.36 |
0.10 |
0.08 |
0.03 |
0.088 |
0.073 |
0.21 |
0.20 |
0.77 |
0.692 |
0.672 |
0.09 |
0.736 |
0.708 |
0.055 |
0.035 |
1/16 |
0.062 |
| 5/16 0.312 |
0.311 |
0.306 |
0.44 |
0.42 |
0.10 |
0.08 |
0.03 |
0.119 |
0.104 |
0.26 |
0.25 |
0.94 |
0.832 |
0.812 |
0.12 |
0.892 |
0.864 |
0.071 |
0.049 |
3/32 |
0.093 |
| 3/8 0.375 |
0.373 |
0.368 |
0.51 |
0.49 |
0.13 |
0.11 |
0.03 |
0.119 |
0.104 |
0.33 |
0.32 |
1.06 |
0.958 |
0.938 |
0.12 |
1.018 |
0.990 |
0.071 |
0.049 |
3/32 |
0.093 |
| 7/16 0.438 |
0.436 |
0.431 |
0.57 |
0.55 |
0.16 |
0.14 |
0.04 |
0.119 |
0.104 |
0.39 |
0.38 |
1.19 |
1.082 |
1.062 |
0.12 |
1.142 |
1.114 |
0.071 |
0.049 |
3/32 |
0.093 |
| 1/2 0.500 |
0.496 |
0.491 |
0.63 |
0.61 |
0.16 |
0.14 |
0.04 |
0.151 |
0.136 |
0.44 |
0.43 |
1.36 |
1.223 |
1.203 |
0.15 |
1.298 |
1.271 |
0.089 |
0.063 |
1/8 |
0.125 |
| 5/8 0.625 |
0.621 |
0.616 |
0.82 |
0.80 |
0.21 |
0.19 |
0.06 |
0.151 |
0.136 |
0.56 |
0.55 |
1.61 |
1.473 |
1.453 |
0.15 |
1.548 |
1.521 |
0.089 |
0.063 |
1/8 |
0.125 |
| 3/4 0.750 |
0.746 |
0.741 |
0.94 |
0.92 |
0.26 |
0.24 |
0.07 |
0.182 |
0.167 |
0.68 |
0.67 |
1.91 |
1.739 |
1.719 |
0.18 |
1.830 |
1.802 |
0.110 |
0.076 |
5/32 |
0.156 |
| 7/8 0.875 |
0.871 |
0.866 |
1.04 |
1.02 |
0.32 |
0.30 |
0.09 |
0.182 |
0.167 |
0.80 |
0.79 |
2.16 |
1.989 |
1.969 |
0.18 |
2.080 |
2.052 |
0.110 |
0.076 |
5/32 |
0.156 |
| 1 1.000 |
0.996 |
0.991 |
1.19 |
1.17 |
0.35 |
0.33 |
0.10 |
0.182 |
0.167 |
0.93 |
0.92 |
2.41 |
2.239 |
2.219 |
0.18 |
2.330 |
2.302 |
0.110 |
0.076 |
5/32 |
0.156 |
|