5/16" USS Thru Hard Washers / Grade 9 / EcoGuard / DFAR-Compliant
$611.63
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Product Description
5/16" USS Thru Hard Washers / Grade 9 / EcoGuard / DFAR-Compliant
Specifications
| Material | Alloy Steel |
|---|---|
| Grade | Grade 9 (L9) |
| Size | 5/16" |
| Inside Diameter | 3/8" |
| Outside Diameter | 7/8" |
| Thickness | 0.094" |
| Standard | ASME B18.22.1 |
| RoHS Compliance | RoHS Compliant |
| Measurement System | Inch |
RoHS Compliant🇺🇸 Made in USA
Frequently Asked Questions
What is the difference between USS and SAE flat washers?
USS (Type B) flat washers have larger outside diameters and are thicker than SAE (Type A) washers of the same bolt size. USS is designed for softer materials and larger load distribution. SAE is used for harder materials and standard fastener installation.
USS Thru Hard Washers / Grade 9 / EcoGuard
Family: WUSS9
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Technical Specifications
Thread Size
5/16"
Material
Alloy Steel
Grade
Grade 9 (L9)
Thread Direction
Unthreaded
Outer Diameter
7/8"
Thickness
0.094"
SKU
31WUSS9-3500