ASME B18.22M Metric Plain Washers
|
Nominal Sizes
|
Series
|
A | B | C | |||
| Inside Diameter | Outside Diameter | Thickness | |||||
| Max | Min | Max | Min | Max | Min | ||
|
6
|
Narrow | 6.87 | 6.65 | 13 | 12.57 | 1.75 | 1.2 |
| Regular | 6.87 | 6.65 | 18.8 | 18.28 | 1.75 | 1.2 | |
| Wide | 6.87 | 6.65 | 25.4 | 24.88 | 2.3 | 1.6 | |
|
8
|
Narrow | 9.12 | 8.9 | 18.8 | 18.28 | 2.3 | 1.6 |
| Regular | 9.12 | 8.9 | 25.4 | 24.88 | 2.3 | 1.6 | |
| Wide | 9.12 | 8.9 | 32 | 31.38 | 2.8 | 2 | |
|
10
|
Narrow | 11.12 | 10.85 | 20 | 19.48 | 2.3 | 1.6 |
| Regular | 11.12 | 10.85 | 28 | 27.48 | 2.8 | 2 | |
| Wide | 11.12 | 10.85 | 39 | 38.38 | 3.5 | 2.5 | |
|
12
|
Narrow | 13.57 | 13.3 | 25.4 | 24.88 | 2.8 | 2 |
| Regular | 13.57 | 13.3 | 34 | 33.38 | 3.5 | 2.5 | |
| Wide | 13.57 | 13.3 | 44 | 43.38 | 3.5 | 2.5 | |
|
14
|
Narrow | 15.52 | 15.25 | 28 | 27.48 | 2.8 | 2 |
| Regular | 15.52 | 15.25 | 39 | 38.38 | 3.5 | 2.5 | |
| Wide | 15.52 | 15.25 | 50 | 49.38 | 4 | 3 | |
|
16
|
Narrow | 17.52 | 17.25 | 32 | 31.38 | 3.5 | 2.5 |
| Regular | 17.52 | 17.25 | 44 | 43.38 | 4 | 3 | |
| Wide | 17.68 | 17.25 | 56 | 54.8 | 4.6 | 3.5 | |
|
20
|
Narrow | 22.13 | 21.8 | 39 | 38.38 | 4 | 3 |
| Regular | 22.13 | 21.8 | 50 | 49 | 4.6 | 3.5 | |
| Wide | 22.13 | 21.8 | 66 | 64.8 | 5.1 | 4 | |
|
24
|
Narrow | 26.12 | 25.6 | 44 | 43 | 4.6 | 3.5 |
| Regular | 26.12 | 25.6 | 56 | 54.8 | 5.1 | 4 | |
| Wide | 26.12 | 25.6 | 72 | 70.8 | 5.6 | 4.5 | |
|
30
|
Narrow | 33.02 | 32.4 | 56 | 54.8 | 5.1 | 4 |
| Regular | 33.02 | 32.4 | 72 | 70.8 | 5.6 | 4.5 | |
| Wide | 33.02 | 32.4 | 90 | 88.6 | 6.4 | 5 | |
|
36
|
Narrow | 38.92 | 38.3 | 66 | 64.8 | 5.6 | 4.5 |
| Regular | 38.92 | 38.3 | 90 | 88.6 | 6.4 | 5 | |
| Wide | 38.92 | 38.3 | 110 | 108.6 | 8.5 | 7 | |
ALL DIMENSIONS ARE IN MM.