Square washers are commonly available in both plain and galvanized finishes.
| Bolt Size | B | A | C | Weight (lbs.) Per 100 Pieces | Part Numbers | |
|---|---|---|---|---|---|---|
| Side Length | Inside Diameter | Thickness Gauge | Plain | Galvanized | ||
| 1⁄2 | 2 | 9⁄16 | .195 | 21.00 | 12015 | 12016 |
| 5⁄8 | 21⁄2 | 11⁄16 | .25 | 42.50 | 12019 | 12020 |
| 3⁄4 | 23⁄4 | 13⁄16 | .315 | 63.00 | 12021 | 12022 |
| 7⁄8 | 3 | 15⁄16 | .315 | 74.29 | 12023 | 12024 |
| 1 | 31⁄2 | 11⁄16 | .39 | 133.00 | 12025 | 12026 |