Split Cotter Pins
Circlips generally to dimensions according to DIN 94 /ISO 1234 and BS 1574 ..
| Nom Size Hole Dia |
d(Pin Dia) | a (Prong ext) | b (Eye Length) | c(Eye OD) | l (range) |
| mm | mm | mm | mm) | mm | mm |
| 0,8 | 0,7 | 1,6 | 2,4 | 1,2 - 1,4 | 6 - 12 |
| 1,0 | 0,9 | 1,6 | 3 | 1,6 - 1,8 | 6 - 12 |
| 1,2 | 1,0 | 2,5 | 3 | 1,7 - 2,0 | 6 - 40 |
| 1,6 | 1,4 | 2,5 | 3,2 | 2,4 - 2,8 | 6 - 40 |
| 2,0 | 1,8 | 2,5 | 4,0 | 3,2 - 3,6 | 6 - 50 |
| 2,5 | 2,3 | 2,5 | 5,0 | 4,0 - 4,6 | 8 - 50 |
| 3,2 | 2,9 | 3,2 | 6,4 | 5,1 - 5,8 | 8 - 63 |
| 4,0 | 3,7 | 4,0 | 8,0 | 6,5 - 7,4 | 16 - 100 |
| 5,0 | 4,6 | 4,0 | 10,0 | 8,0 - 9,2 | 20 - 100 |
| 6,3 | 5,9 | 4,0 | 12,6 | 10,3 - 11,8 | 25 - 125 |
| 8,0 | 7,5 | 4,0 | 16,0 | 13,1 - 15, | 40 - 140 |
| 10,0 | 9,5 | 6,3 | 20,0 | 16,6 - 19,0 | 50 - 140 |
| 13,0 | 12,4 | 6,3 | 26,0 | 21,7 - 24,8 | 71 - 140 |
BS 1574 covers Ferrous and no ferrous split cotter pins . In this standard the size of the pins are designated by the hole size in which the pin is located. The pin is selected by stating the size and length and material.
Cotter pins are made from low carbon steel zinc plated or equivalent..
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