Structural Washers
F436 Flat Washers
- Thick, strong, and heavy duty washers
- Typically found in steel to steel structural connections
- Usually applied with structural bolts and nuts to beams or girders
- Compatible with A325 and A490 Structural Bolts
- Used to distribute fastener load evenly as fastener is tightened
- Plain steel
- May contain a light coating of oil
- IFI Tolerances Apply
- Washer Thickness may very +/- .007 depending on production run
Structural Flat Washer Specifications
| Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) | Washer Thickness |
| 1/2" | 0.531" | 1.063" | 0.177" |
| 5/8" | 0.688" | 1.313" | 0.177" |
| 3/4" | 0.813" | 1.468" | 0.177" |
| 7/8" | 0.938" | 1.750" | 0.177" |
| 1" | 1.063" | 2.000" | 0.136" - 0.177" |
| 1-1/8" | 1.188" | 2.250" | 0.136" - 0.177" |
| 1-1/4" | 1.375" | 2.500" | 0.136" - 0.177" |
| 1-3/8" | 1.500" | 2.750" | 0.136" - 0.177" |
| 1-1/2" | 1.625" | 3.000" | 0.136" - 0.177" |
| 1-3/4" | 1.875" | 3.375" | 0.280" |
| 3" | 3.125" | 5.500" | 0.340" |
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Product Specifications
Grade
F436
Material
Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
