B&N Pro Membership
Product Description
Part Number: 31UNT8Y
Diameter: 5/16"
Grade: Grade 8
Finish: Zinc Yellow
Inside Diameter : 3/8" (Min 0.370", Max 0.390)
Outside Diameter: 7/8" (Min 0.868", Max 0.905")
Thickness : 0.064" - 0.104"
Click Here for Tech Drawing
BoltsandNuts.com
5/16" USS Grade 8 Flat Washers Zinc Yellow
Product Description
Part Number: 31UNT8Y
Diameter: 5/16"
Grade: Grade 8
Finish: Zinc Yellow
Inside Diameter : 3/8" (Min 0.370", Max 0.390)
Outside Diameter: 7/8" (Min 0.868", Max 0.905")
Thickness : 0.064" - 0.104"
Click Here for Tech Drawing
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Pack Size
1
$0.19/pc
Popular
100
$0.14/pc
200
$0.11/pc
500
$0.09/pc
Best Value
3900
$0.07/pc
$0.19
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| Grade | Grade 8 Hardened |
| Material | Through-hardened steel |
| Pattern | USS (Wide) series |
| Outside Diameter | 0.875" nom |
| Inch Metric | Inch |
| Grade Material | Grade 8 |
| Major Diameter | 0.3125" |
| Diameter | 5/16" |
| Inside Diameter | 0.375" nom |
| Finish | Zinc Yellow |
| Hardness | Rockwell C33–C39 |
| Thickness | 0.083" nom |
| Nominal Size | 5/16" |
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