Gibraltar - 1-3/8" Screw, Alloy Steel Structural Flat Washer - 1-7/16" ID x 2-3/4" OD, 1/4" Thick, Zinc Yellow Dichromate Finish
Item #: 73840571
Brand: Gibraltar
Exact Tooling IR#: 04
Features and Benefits
Structural washers are thick, strong washers used in heavy-duty building construction. For outside building applications, structural washers are typically coated or galvanized for corrosion resistance.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
| Product Specifications | |
|---|---|
| Type | Structural |
| System of Measurement | Inch |
| Screw Size | 1-3/8 |
| Inside Diameter (Inch) | 1-7/16 |
| Inside Diameter (Decimal Inch) | 1.4375 |
| Outside Diameter (Inch) | 2-3/4 |
| Outside Diameter (Decimal Inch) | 2.7500 |
| Thickness (Decimal Inch) | 0.2500 |
| Thickness (Inch) | 1/4 |
| Material | Alloy Steel |
| Finish/Coating | Zinc Yellow Dichromate |
| Minimum Inside Diameter (Decimal Inch) | 1.4230 |
| Maximum Inside Diameter (Decimal Inch) | 1.4530 |
| Minimum Outside Diameter (Decimal Inch) | 2.7180 |
| Maximum Outside Diameter (Decimal Inch) | 2.7820 |
| Minimum Thickness (Decimal Inch) | 0.2350 |
| Maximum Thickness (Decimal Inch) | 0.2640 |
| For Use With | Class 8 Cap Screw; Socket Cap Screw |
| Hardness | Rockwell C43-C49 |
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