Hardened washers: Type and shape
| Identification | Meaning |
|---|---|
| Type 1 | Carbon steel |
| Type 3 | Weathering steel |
| Circular | Circular washer |
| Beveled | Beveled washer for the specified bearing surface |
| Clipped | Clipped profile |
Hardness and dimensions
| Finish | HRC |
|---|---|
| Plain | 38–45 |
| Hot-dip galvanized | 26–45 |
The circular inch series covers nominal sizes from ¼″ to 4″. Specify inside diameter, outside diameter and thickness for the required shape: do not substitute a generic flat washer. Reference data does not indicate stock availability.
The washer within the assembly
F436 identifies a product specification, not a material or bolt grade. State the required form, diameter, thickness and finish alongside the assembly reference.