Black Oxide Steel USS Flat Washers
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| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Thickness Tolerance | Hardness | Color | Resistance Properties | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 6DYY7 | 1 1/2" | 1 5/8" | 3 1/2" | 0.156" | -0.03" to +0.03" | Rockwell C38 | - | - | 25 | €49.93 | |
| B | 4RXW8 | 1 1/2" | 1 5/8" | 3 1/2" | 3/16" | -0.03" to +0.03" | Rockwell C38 | - | Corrosion Resistant | 130 | €234.55 | |
| C | U38100.125.0001 | 1 1/4" | 1 1/4" | 3" | 0.156" | 0.136" to 0.192" | - | - | - | 5 | €11.84 | |
| D | U38100.112.0001 | 1 1/8" | 1 1/8" | 2 3/4" | 0.156" | 0.136" to 0.192" | - | - | - | 5 | €10.21 | |
| E | U38402.175.0001 | 1 3/4" | 1 7/8" | 4" | 0.156" | 0.1536" to 0.213" | - | - | - | 5 | €19.66 | |
| A | 6DYY8 | 1 3/4" | 1 7/8" | 4" | 0.156" | -0.03" to +0.03" | Rockwell C38 | - | - | 10 | €28.38 | |
| A | 6DYY6 | 1 3/8" | 1 1/2" | 3 1/4" | 0.156" | -0.03" to +0.03" | Rockwell C38 | - | Corrosion Resistant | 25 | €47.55 | |
| F | 4RXW6 | 1 3/8" | 1 1/2" | 3 1/4" | 3/16" | -0.03" to +0.03" | Rockwell C38 | - | Corrosion Resistant | 150 | €231.06 | |
| G | U38100.025.0001 | 1/4" | 0.313" | 47/64" | 0.065" | 0.051" to 0.08" | - | Silver | - | 100 | €6.63 | |
| H | U38402.250.0001 | 2 1/2" | 2 5/8" | 5" | 0.238" | 0.21" to 0.28" | - | - | - | 5 | €65.93 | |
| A | 6DYZ1 | 2 1/2" | 2 5/8" | 5" | 1/4" | -0.035" to +0.035" | Rockwell C38 | - | Corrosion Resistant | 10 | €54.88 | |
| I | 4VNY8 | 2 1/2" | 2 5/8" | 5" | 15/64" | -0.035" to +0.035" | Rockwell C38 | - | Corrosion Resistant | 50 | €231.78 | |
| J | U38402.225.0001 | 2 1/4" | 2 1/4" | 4 3/4" | 0.156" | 0.193" to 0.248" | - | - | - | 5 | €47.23 | |
| K | U38402.200.0001 | 2" | 2 1/8" | 4 1/2" | 0.156" | 0.153" to 0.213" | - | - | - | 5 | €26.24 | |
| L | 4RXY2 | 2" | 2 1/8" | 4 1/2" | 3/16" | -0.03" to +0.03" | Rockwell C38 | - | Corrosion Resistant | 80 | €257.78 | |
| A | 6DYY9 | 2" | 2 1/8" | 4 1/2" | 0.156" | -0.03" to +0.03" | Rockwell C38 | - | Corrosion Resistant | 10 | €34.96 | |
| M | U38402.300.0001 | 3" | 3" | 5 1/2" | 0.284" | 0.249" to 0.327" | - | - | - | 5 | €81.73 | |
| N | FWUIS075USA-455P | 3/4" | 0.813" | 2" | 0.156" | 0.122" to 0.177" | - | - | - | 455 | €483.13 | |
| O | FWUIS075-450P | 3/4" | 0.813" | 2" | 0.156" | -0.01" to +0.01" | Rockwell B49 | - | - | 450 | €185.33 | |
| P | U38100.037.0001 | 3/8" | 7/16" | 1" | 0.083" | 0.064" to 0.104" | - | Silver | - | 100 | €13.40 | |
| Q | U38402.018.0001 | 3/16" | 1/4" | 9/16" | 2/41" | -0.013" to +0.016" | - | - | - | 100 | €3.99 | |
| A | 6DYY1 | 3/16" | 1/4" | 9/16" | 3/64" | -0.014" to +0.014" | Rockwell C38 | - | Corrosion Resistant | 100 | €2.68 | |
| R | FWUIS062-650P | 5/8" | 0.172" | 1 3/4" | 9/64" | -0.01" to +0.01" | Rockwell B49 | - | - | 650 | €230.86 | |
| S | U38100.031.0001 | 5/16" | 3/8" | 7/8" | 0.083" | 0.064" to 0.104" | - | Silver | - | 100 | €12.27 | |
| T | U38100.087.0001 | 7/8" | 7/8" | 2 1/4" | 0.156" | 0.136" to 0.192" | - | - | - | 10 | €14.19 |



















