Grade 2 USS Flat Washer - Zinc
Grade 2 USS 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 154 pieces)
Bolt Size: | Inside Diameter: | Outside Diameter: | Pcs Per Lb. |
#10 (3/16) | 0.25 | 0.56 | 266 |
1/4" | 0.312 | 0.734 | 154 |
5/16" | 0.375 | 0.875 | 83 |
3/8" | 0.438 | 1 | 64 |
7/16" | 0.5 | 1.25 | 40 |
1/2" | 0.562 | 1.375 | 26 |
9/16" | 0.625 | 1.469 | 22 |
5/8" | 0.688 | 1.75 | 13 |
3/4" | 0.812 | 2 | 9 |
7/8" | 0.938 | 2.25 | 6 |
1" | 1.06 | 2.5 | 5 |
1 1/8" | 1.25 | 2.75 | 4 |
1 1/4" | 1.375 | 3 | 4 |
1 3/8" | 1.5 | 3.25 | 3 |
1 1/2" | 1.625 | 3.5 | 3 |
1 3/4" | 1.875 | 4 | 2 |
2" | 2.125 | 4.5 | 2 |