Washer Weights
*Estimated weight (lbs) per piece
Size
¼”
3/8”
½”
5/8”
¾”
7/8”
1”
1 1/8”
1 ¼”
1 3/8”
1 ½”
1 5/8”
1 ¾”
1 7/8”
2”
USS Flat
Washer
0.020
0.039
0.080
0.110
0.150
0.190
0.220
0.260
0.330
0.380
0.430
0.500
0.570
0.630
SAE or F436
Flat
Washers
0.018
0.033
0.041
0.064
0.082
0.105
0.133
0.163
0.199
0.321
0.307
0.360
0.380
2 1/8”
2 ¼”
2 ½”
2 ¾”
3”
3 ¼”
3 ½”
4”
0.740
0.830
0.960
0.110
0.130
0.440
0.560
0.720
0.920
1.040
1.350
1.633
2.200
*These measurements are estimated, and may vary slightly.