BS3410 Flat Washer
Used in bolts and nuts up to 250 HV of hardness.
Material: Steel (Material choice is of producer choice)
| Nominal Thread Diameter | d | dc | h |
|---|---|---|---|
| 0, +1/32 | |||
| 1/2 | 9/16 | 1-1/4 | 0.104 |
| 9/16 | 5/8 | 1-3/8 | 0.128 |
| 5/8 | 11/16 | 1-1/2 | 0.128 |
| 3/4 | 13/16 | 1-3/4 | 0.144 |
| 7/8 | 15/16 | 2 | 0.16 |
| Nominal Thread Diameter | d | dc | h |
|---|---|---|---|
| 0, +1/32 | |||
| 1 | 1-1/16 | 2-1/4 | 0.176 |
| 1-1/8 | 1-3/16 | 2-1/2 | 0.176 |
| 1-1/4 | 1-3/8 | 2-3/4 | 0.192 |
| 1-3/8 | 1-1/2 | 3 | 0.192 |
| 1-1/2 | 1-5/8 | 3-1/4 | 0.192 |
| 1-5/8 | 1-3/4 | 3-1/2 | 0.212 |
| 1-3/4 | 1-7/8 | 3-3/4 | 0.212 |
| 1-7/8 | 2 | 4 | 0.212 |
| 2 | 2-1/8 | 4-1/4 | 0.212 |
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Weight:
| Nominal Thread Diameter | d | dc | h |
|---|---|---|---|
| 0, +1/32 | |||
| 1/2 | 9/16 | 1-1/4 | 0.104 |
| 9/16 | 5/8 | 1-3/8 | 0.128 |
| 5/8 | 11/16 | 1-1/2 | 0.128 |
| 3/4 | 13/16 | 1-3/4 | 0.144 |
| 7/8 | 15/16 | 2 | 0.16 |
| Nominal Thread Diameter | d | dc | h |
|---|---|---|---|
| 0, +1/32 | |||
| 1 | 1-1/16 | 2-1/4 | 0.176 |
| 1-1/8 | 1-3/16 | 2-1/2 | 0.176 |
| 1-1/4 | 1-3/8 | 2-3/4 | 0.192 |
| 1-3/8 | 1-1/2 | 3 | 0.192 |
| 1-1/2 | 1-5/8 | 3-1/4 | 0.192 |
| 1-5/8 | 1-3/4 | 3-1/2 | 0.212 |
| 1-3/4 | 1-7/8 | 3-3/4 | 0.212 |
| 1-7/8 | 2 | 4 | 0.212 |
| 2 | 2-1/8 | 4-1/4 | 0.212 |
