Flat Washer Dimensions
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| Bolt Size |
A |
B |
C |
Weight (lbs.)
Per 100 Pieces |
Part numbers |
| Inside Diameter |
Outside Diameter |
Thickness |
Import |
| Plain |
Galvanized |
| 1⁄2 |
9⁄16 |
13⁄8 |
0.109 |
4 |
19794 |
19795 |
| 5⁄8 |
11⁄16 |
13⁄4 |
0.134 |
8 |
19796 |
19797 |
| 3⁄4 |
13⁄16 |
2 |
0.148 |
11 |
19798 |
19799 |
| 7⁄8 |
15⁄16 |
21⁄4 |
0.165 |
15 |
19800 |
19801 |
| 1 |
11⁄16 |
21⁄2 |
0.165 |
19 |
19802 |
19803 |
| 11⁄8 |
11⁄4 |
23⁄4 |
0.165 |
22 |
19804 |
19805 |
| 11⁄4 |
13⁄8 |
3 |
0.165 |
26 |
19806 |
19807 |
| 13⁄8 |
11⁄2 |
31⁄4 |
0.180 |
33 |
19808 |
19809 |
| 11⁄2 |
15⁄8 |
31⁄2 |
0.180 |
38 |
19810 |
19811 |
| 15⁄8 |
13⁄4 |
33⁄4 |
0.180 |
43 |
- |
- |
| 13⁄4 |
17⁄8 |
4 |
0.180 |
50 |
19812 |
19813 |
| 17⁄8 |
2 |
41⁄4 |
0.180 |
57 |
- |
- |
| 2 |
21⁄8 |
41⁄2 |
0.180 |
63 |
19814 |
19815 |
| 21⁄4 |
23⁄8 |
43⁄4 |
0.220 |
83 |
16434 |
16435 |
| 21⁄2 |
25⁄8 |
5 |
0.238 |
96 |
16436 |
16437 |
| 23⁄4 |
27⁄8 |
51⁄4 |
0.259 |
110 |
16670 |
16671 |
| 3 |
31⁄8 |
51⁄2 |
0.284 |
130 |
16438 |
16439 |
| Dimensions per ASME B18.21.1 |
