Grade 2 SAE Flat Washer - Zinc
Grade 2 SAE Flat Washer - Zinc (##) Number of Pieces in One Pound
Washers are for assembly around a bolt or screw. Washers improve the stress distribution. USS washers meet the majority of industrial applications, in maintenance, repair and manufacturing. (Example: 1 pound of 1/4 flat washers will give you 217 pieces)
| Diameter | Inside Diameter | Outside Diameter | Pieces per Pound |
| #6 | .156 | .375 | 740 |
| #8 | .188 | .438 | 552 |
| #10 (3/16) | .220 | .50 | 429 |
| 1/4" | .280 | .625 | 217 |
| 5/16" | .344 | .688 | 246 |
| 3/8" | .406 | .812 | 167 |
| 7/16" | .469 | .922 | 108 |
| 1/2" | .531 | 1.062 | 53 |
| 9/16" | .594 | 1.156 | 46 |
| 5/8" | .656 | 1.312 | 35 |
| 3/4" | .812 | 1.469 | 22 |
| 7/8" | .938 | 1.75 | 15 |
| 1" | 11 | ||
| 1/8" | 10 | ||
| 1 1/4" | 6 |