Hot Dip Galvanized Flat Washers
USS Standard Sizes
- Hot dipped galvanized flat washers have a zinc bath finishing process
- HDG bonds to the alloy steel which acts as a first layer of defense against rust
- Hot dipped galvanized flat washers are corrision resistant
- Only use HDG products with other products of the same material
| Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) |
| 1/4" | 5/16" | 3/4" |
| 5/16" | 3/8" | 7/8" |
| 3/8" | 7/16" | 1" |
| 7/16" | 1/2" | 1-1/4" |
| 1/2" | 9/16" | 1-3/8" |
| 9/16" | 5/8" | 1-1/2" |
| 5/8" | 11/16" | 1-3/4" |
| 3/4" | 13/16" | 2" |
| 7/8" | 15/16" | 2-1/4" |
| 1" | 1-1/16" | 2-1/2" |
| 1-1/8" | 1-1/4" | 2-3/4" |
| 1-1/4" | 1-3/8" | 3" |
| 1-3/8" | 1-1/2" | 3-1/4" |
| 1-1/2" | 1-5/8" | 3-1/2" |
| 1-5/8" | 1-3/4" | 3-3/4" |
| 1-3/4" | 1-7/8" | 4" |
| 1-7/8" | 2" | 4-1/4" |
| 2" | 2-1/8" | 4-1/2" |
| 2-1/2" | 2-5/8" | 5" |
| 3" | 3-1/8" | 5-1/2" |
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