F 436 – 1
ASTM F 436 – Hardened Washer , Stuctural washer, high tensile strength flat washer.
Dimension of F436 Hardened Washer as below:
 |
| Size | Inside Diameter (ID) | Outside Diameter (OD) | Thickness (T) | |||
| Min | Max | Min | Max | Min | Max | |
| 1/4 | 0.281 | 0.313 | 0.593 | 0.657 | 0.051 | 0.08 |
| 5/16 | 0.344 | 0.376 | 0.656 | 0.72 | 0.051 | 0.08 |
| 3/8 | 0.406 | 0.438 | 0.781 | 0.845 | 0.051 | 0.08 |
| 7/16 | 0.469 | 0.501 | 0.89 | 0.954 | 0.051 | 0.08 |
| 1/2 | 0.531 | 0.563 | 1.031 | 1.095 | 0.097 | 0.177 |
| 9/16 | 0.625 | 0.657 | 1.156 | 1.22 | 0.11 | 0.177 |
| 5/8 | 0.688 | 0.72 | 1.281 | 1.345 | 0.122 | 0.177 |
| 3/4 | 0.813 | 0.845 | 1.436 | 1.5 | 0.122 | 0.177 |
| 7/8 | 0.938 | 0.97 | 1.718 | 1.782 | 0.136 | 0.177 |
| 1 | 1.063 | 1.126 | 1.937 | 2.063 | 0.136 | 0.177 |
| 1-1/8 | 1.188 | 1.251 | 2.187 | 2.313 | 0.136 | 0.177 |
| 1-1/4 | 1.375 | 1.438 | 2.437 | 2.563 | 0.136 | 0.177 |
| 1-3/8 | 1.5 | 1.563 | 2.687 | 2.813 | 0.136 | 0.177 |
| 1-1/2 | 1.625 | 1.688 | 2.937 | 3.063 | 0.136 | 0.177 |
| 1-3/4 | 1.875 | 1.938 | 3.312 | 3.438 | 0.178 | 0.28 |
| 2 | 2.125 | 2.188 | 3.687 | 3.813 | 0.178 | 0.28 |
| 2-1/4 | 2.375 | 2.438 | 3.937 | 4.063 | 0.24 | 0.34 |
| 2-1/2 | 2.625 | 2.688 | 4.437 | 4.563 | 0.24 | 0.34 |
| 2-3/4 | 2.875 | 2.938 | 4.937 | 5.063 | 0.24 | 0.34 |
| 3 | 3.125 | 3.188 | 5.437 | 5.563 | 0.24 | 0.34 |
| 3-1/4 | 3.375 | 3.5 | 5.875 | 6.125 | 0.24 | 0.34 |
| 3-1/2 | 3.625 | 3.75 | 6.375 | 6.625 | 0.24 | 0.34 |
| 3-3/4 | 3.875 | 4 | 6.875 | 7.125 | 0.24 | 0.34 |
| 4 | 4.125 | 4.25 | 7.375 | 7.625 | 0.24 | 0.34 |
* All size in inch ;
* Specification: F436 hardened steel washer ;