Commercial Flat Washers provide a smooth bearing surface under the head of a bolt or nut. Manufactured under the F844 specification, they are unhardened and intended for general usage.
Finishes: Plain (black) Hot Dip Galvanized & Mechanical Galvanized.
Special custom sizes are available upon request.
Commercial Flat Washers
Bolt Size In. | Outside Diameter In. | Inside I.D. In. | Thickness | Approx. Lbs per 100 Pcs. | Approx. No./Pcs. 50 Lbs. | Approx. No./Pcs. Per Lb. |
---|---|---|---|---|---|---|
3/16 | 9/16 | 1/4 | .036/.065 | 0.28 | 18,050 | 361 |
1/4 | 3/4 | 5/16 | .051/.080 | 0.67 | 7,450 | 149 |
5/16 | 7/8 | 3/8 | .064/.104 | 1.11 | 4,350 | 87 |
3/8 | 1 | 7/16 | .064/.104 | 1.49 | 3,350 | 67 |
7/16 | 1 1/4 | 1/2 | .064/.104 | 2.44 | 2,050 | 41 |
1/2 | 1 3/8 | 9/16 | .086/.132 | 3.85 | 1,300 | 26 |
9/16 | 1 15/32 | 5/8 | .086/.132 | 4.55 | 1,100 | 22 |
5/8 | 1 3/4 | 11/16 | .108/.160 | 7.70 | 650 | 13 |
3/4 | 2 | 13/16 | .122/.177 | 11.00 | 455 | 9.1 |
7/8 | 2 1/4 | 15/16 | .136/.192 | 15.30 | 325 | 6.5 |
1 | 2 1/2 | 1 1/16 | .136/.192 | 18.80 | 265 | 5.3 |
1 1/4 | 3 | 1 3/8 | .136/.192 | 22.00 | 225 | 4.5 |
1 3/8 | 3 1/4 | 1 1/2 | .153/.213 | 33.30 | 150 | 3 |
1 1/2 | 3 1/2 | 1 5/8 | .153/.213 | 38.40 | 130 | 2.6 |
1 5/8 | 3 3/4 | 1 3/4 | .153/.213 | 44.80 | 115 | 2.3 |
1 3/4 | 4 | 1 7/8 | .153/.213 | 50.00 | 100 | 2 |
1 7/8 | 4 1/4 | 2 | .153/.213 | 56.90 | 90 | 1.8 |
2 | 4 1/2 | 2 1/8 | .153/.213 | 63.00 | 79 | 1.6 |
2 1/4 | 4 3/4 | 2 3/8 | .193/.248 | 82.60 | 60 | 1.2 |
2 1/2 | 5 | 2 5/8 | .210/.280 | 96.10 | 52 | 1 |
2 3/4 | 5 1/4 | 2 7/8 | .228/.310 | 110.00 | 45 | 0.9 |
3 | 5 1/2 | 3 1/8 | .249/.327 | 130.00 | 43 | 0.8 |