BS 3410 Table 11 Washers
Dimensions for Square Washers with Round Holes to BS 3410 Table 11
| Nominal size of Bolts |
Diameter of hole A Tolerance + 1/32 inch. |
Outside Square B |
Thickness C Tolerance +/- 1 gauge |
|
|---|---|---|---|---|
| Inch. | S.W.G. | Inch. | ||
3/8 |
7/16 |
1 1/2 | 10 |
0.128 |
| 2 | ||||
1/2 |
9/16 |
1 1/2 | 10 |
0.128 |
| 2 | ||||
5/8 |
11/16 |
2 | 10 | 0.128 |
3 |
6 | 0.192 | ||
| 3 | 0.252 | |||
3/4 |
13/16 |
2 1/2 | 10 | 0.128 |
| 3 | 6 | 0.192 | ||
| 3 | 3 |
0.252 |
||
| 4 | ||||
7/8 |
15/16 |
2 1/2 | 10 | 0.128 |
| 3 | 3 | 0.252 | ||
1 |
1 1/16 |
3 | 3 |
0.252 |
| 4 | ||||
| 4 | 3/0 | 0.372 | ||
1 1/4 |
1 3/8 |
4 |
3 | 0.252 |
| 3/0 | 0.372 | |||
Notes:
1) All Dimensions are expressed in Inches.