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
- Due to the finishing process for Hot Dip Galvanized fasteners, it is recommended to only use Hot Dip Galvanized fasteners with Hot Dip Galvanized fasteners and not mix metals. This can create threading and durability issues.
| 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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Product Specifications
Finish
Hot Dip Galvanized
Material
Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
