Armor Coat - 1/4" Screw, Grade 8 Alloy Steel USS Flat Washer - 5/16" ID x 3/4" OD, 0.078" Thick
Item #: 74665225
Brand: Armor Coat
Model #: UST237819
Exact Tooling IR#: 04
Features and Benefits
USS (United States Standard) flat washers are thicker, have larger outside diameters and do not fit as tightly around bolts as SAE (Society of Automotive Engineers) washers.
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 | USS |
| System of Measurement | Inch |
| Screw Size | 1/4 |
| Inside Diameter (Inch) | 5/16 |
| Outside Diameter (Inch) | 3/4 |
| Thickness (Decimal Inch) | 0.0780 |
| Material Grade | Grade 8 |
| Material | Alloy Steel |
| Fastener Standard | ASME B18.22.1 |
| Minimum Inside Diameter (Decimal Inch) | 0.0510 |
| Maximum Inside Diameter (Decimal Inch) | 0.0800 |
| Minimum Outside Diameter (Decimal Inch) | 0.7270 |
| Maximum Outside Diameter (Decimal Inch) | 0.7490 |
| Minimum Thickness (Decimal Inch) | 0.0510 |
| Maximum Thickness (Decimal Inch) | 0.0800 |
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