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Sealing Washers
Prevent leaks while distributing weight evenly under nuts and screws. These washers compress as you tighten to keep air and fluid in, and dust and contaminants out. Use them anywhere you need a tight seal, such as protecting electronics from moisture or keeping lubricants contained in machinery.
Hard Fiber
 |
An economical alternative to metal crush washers, these compress easily to create a seal with less effort. However, fiber washers degrade faster than metal washers and aren't as heat resistant. They also don't seal quite as tightly as their plastic or rubber counterparts. These washers are reusable, as long as the material isn't damaged.
For Screw Size | ID, mm | OD, mm | Thk., mm | Specs. Met | Pkg. Qty. | Pkg. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Hard Fiber | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 | 5 | 8 | 0.8 | DIN 7603 | 100 | 000000000 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M5 | 5 | 10 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M6 | 6 | 9 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M6 | 6 | 10 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M8 | 8 | 12 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M8 | 8 | 14 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M10 | 10 | 14 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M10 | 10 | 16 | 1 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M12 | 12 | 16 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M12 | 12 | 18 | 1 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M12 | 12 | 20 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M12 | 12 | 24 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M14 | 14 | 18 | 1 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M14 | 14 | 24 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M16 | 16 | 21 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M18 | 18 | 22 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M18 | 18 | 24 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M22 | 22 | 27 | 0.8 | DIN 7603 | 100 | 000000000 | 0000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Hard Fiber Washers
 |
The least likely to scratch or mar delicate mounting surfaces, these washers are made of hardened cotton fiber. They are also naturally nonconductive, so they are a great choice for insulating nuts and screws to prevent unintended charges. However, fiber washers will break down faster than other washers and will need to be replaced more often.
For Screw Size | ID | OD | Thk. | Specs. Met | Color | Pkg. Qty. | Pkg. | ||
|---|---|---|---|---|---|---|---|---|---|
| No. 2 | 0.094" | 0.250" | 0.010" to 0.020" | — | Black | 100 | 000000000 | 000000 | |
| No. 2 | 0.094" | 0.250" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| No. 2 | 0.094" | 0.250" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| No. 4 | 0.125" | 0.250" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| No. 4 | 0.125" | 0.250" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| No. 4 | 0.125" | 0.312" | 0.010" to 0.020" | — | Black | 100 | 000000000 | 00000 | |
| No. 6 | 0.145" | 0.375" | 0.026" to 0.036" | — | Black | 100 | 000000000 | 00000 | |
| No. 6 | 0.156" | 0.312" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| No. 6 | 0.156" | 0.312" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| No. 8 | 0.172" | 0.375" | 0.026" to 0.036" | — | Black | 100 | 000000000 | 00000 | |
| No. 8 | 0.188" | 0.375" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| No. 8 | 0.188" | 0.375" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| No. 10 | 0.203" | 0.375" | 0.042" to 0.052" | — | Black | 100 | 000000000 | 00000 | |
| No. 10 | 0.203" | 0.438" | 0.041" to 0.051" | — | Black | 100 | 000000000 | 00000 | |
| No. 12 | 0.234" | 0.500" | 0.042" to 0.052" | — | Black | 50 | 000000000 | 0000 | |
| 1/4" | 0.250" | 0.375" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 1/4" | 0.250" | 0.375" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/4" | 0.250" | 0.500" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 1/4" | 0.250" | 0.500" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/4" | 0.281" | 0.625" | 0.057" to 0.067" | ASME B18.21.1 | Black | 25 | 000000000 | 00000 | |
| 5/16" | 0.312" | 0.438" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 5/16" | 0.312" | 0.438" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 5/16" | 0.312" | 0.562" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 5/16" | 0.312" | 0.562" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 5/16" | 0.325" | 0.688" | 0.057" to 0.067" | — | Black | 100 | 000000000 | 00000 | |
| 3/8" | 0.375" | 0.500" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 3/8" | 0.375" | 0.500" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 3/8" | 0.375" | 0.625" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 3/8" | 0.375" | 0.625" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 3/8" | 0.375" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 3/8" | 0.406" | 0.875" | 0.088" to 0.098" | — | Black | 25 | 000000000 | 00000 | |
| 7/16" | 0.438" | 0.625" | 0.014" to 0.016" | — | Gray | 50 | 000000000 | 0000 | |
| 7/16" | 0.438" | 0.625" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 0.625" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 0.688" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 0.688" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 0.750" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 0.750" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 1/2" | 0.500" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 1/2" | 0.531" | 1.000" | 0.088" to 0.098" | — | Black | 25 | 000000000 | 00000 | |
| 9/16" | 0.562" | 0.812" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 00000 | |
| 9/16" | 0.562" | 0.812" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 5/8" | 0.625" | 0.750" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 5/8" | 0.625" | 0.875" | 0.014" to 0.016" | — | Gray | 50 | 000000000 | 0000 | |
| 5/8" | 0.625" | 0.875" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 5/8" | 0.625" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 5/8" | 0.645" | 1.063" | 0.088" to 0.098" | — | Black | 25 | 000000000 | 00000 | |
| 5/8" | 0.688" | 0.938" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 3/4" | 0.750" | 1.000" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 3/4" | 0.750" | 1.000" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 3/4" | 0.750" | 1.063" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 0000 | |
| 3/4" | 0.750" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 3/4" | 0.810" | 1.125" | 0.120" to 0.130" | — | Black | 10 | 000000000 | 00000 | |
| 3/4" | 0.812" | 1.125" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 3/4" | 0.812" | 1.125" | 0.028" to 0.034" | — | Red | 50 | 000000000 | 0000 | |
| 7/8" | 0.875" | 1.188" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 7/8" | 0.875" | 1.188" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 00000 | |
| 7/8" | 0.875" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 7/8" | 0.930" | 1.250" | 0.120" to 0.130" | — | Black | 10 | 000000000 | 00000 | |
| 7/8" | 0.938" | 1.250" | 0.028" to 0.034" | — | Red | 50 | 000000000 | 0000 | |
| 1" | 1.000" | 1.250" | 0.014" to 0.016" | — | Gray | 100 | 000000000 | 0000 | |
| 1" | 1.000" | 1.250" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 00000 | |
| 1" | 1.000" | 2.250" | 0.120" to 0.130" | — | Gray | 10 | 000000000 | 00000 | |
| 1" | 1.031" | 1.312" | 0.014" to 0.016" | — | Gray | 50 | 000000000 | 00000 | |
| 1" | 1.031" | 1.312" | 0.028" to 0.034" | — | Red | 50 | 000000000 | 0000 | |
| 1" | 1.125" | 2.000" | 0.120" to 0.130" | — | Black | 10 | 000000000 | 00000 | |
| 1 1/8" | 1.188" | 1.562" | 0.028" to 0.034" | — | Red | 100 | 000000000 | 00000 | |
| 1 1/4" | 1.250" | 1.625" | 0.028" to 0.034" | — | Red | 50 | 000000000 | 00000 | |
| 1 1/4" | 1.312" | 2.125" | 0.120" to 0.130" | — | Black | 5 | 000000000 | 0000 | |
| M2.5 | 2.7 mm | 6.5 mm | 0.4 mm to 0.6 mm | DIN 125 | Black | 100 | 000000000 | 00000 | |
| M3 | 3.2 mm | 7 mm | 0.4 mm to 0.6 mm | DIN 125 | Black | 100 | 000000000 | 00000 | |
| M4 | 4.3 mm | 9 mm | 0.7 mm to 0.9 mm | DIN 125 | Black | 100 | 000000000 | 00000 | |
| M6 | 6.4 mm | 12.5 mm | 1.4 mm to 1.7 mm | DIN 125 | Black | 50 | 000000000 | 0000 | |
| M8 | 8.4 mm | 17 mm | 1.4 mm to 1.7 mm | DIN 125 | Black | 50 | 000000000 | 0000 | |
| M10 | 10.5 mm | 21 mm | 1.8 mm to 2.2 mm | DIN 125 | Black | 50 | 000000000 | 00000 | |
| M12 | 13 mm | 24 mm | 2.1 mm to 2.5 mm | DIN 125 | Black | 50 | 000000000 | 00000 | |
| M16 | 17 mm | 30 mm | 2.1 mm to 2.5 mm | DIN 125 | Black | 25 | 000000000 | 0000 | |
| M20 | 21 mm | 37 mm | 2.1 mm to 2.5 mm | DIN 125 | Black | 25 | 000000000 | 00000 | |
| M24 | 25 mm | 44 mm | 2.8 mm to 3.5 mm | DIN 125 | Black | 10 | 000000000 | 0000 | |
| M30 | 31 mm | 56 mm | 2.8 mm to 3.6 mm | DIN 125 | Black | 10 | 000000000 | 00000 |
