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System of Measurement System of Measurement |
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Thickness Thickness |
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Material Material | Show |
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Material Material | Hide |
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Shape Shape |
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 | Sheet and Bar |
Flexibility Flexibility |
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 | Rigid |
Maximum Temperature Maximum Temperature |
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Backing Type Backing Type |
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Performance Properties Performance Properties |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Minimum Temperature Minimum Temperature |
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Texture Texture |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Hardness Rating Hardness Rating |
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Impact Strength Rating Impact Strength Rating |
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About Composites
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About Washers
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Electrical-Insulating Sleeve Washers
Also known as shoulder or insulator washers, these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal.
Hard fiber washers resist organic solvents and petroleum-based oil.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Min. | Max. | Color | Pkg. Qty. | Pkg. | |
Hard Fiber | |||||||||||
| No. 2 | 0.090" | 0.250" | 0.154" | 0.030" | 0.055" | Not Rated | 230° | Black | 50 | 000000000 | 000000 |
| No. 4 | 0.116" | 0.250" | 0.186" | 0.030" | 0.055" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
| No. 6 | 0.142" | 0.313" | 0.186" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 0000 |
| No. 8 | 0.168" | 0.375" | 0.246" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.194" | 0.375" | 0.312" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
| 1/4" | 0.254" | 0.500" | 0.312" | 0.040" | 0.070" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
| 3/8" | 0.380" | 0.625" | 0.437" | 0.060" | 0.100" | Not Rated | 230° | Black | 50 | 000000000 | 00000 |
Easy-to-Machine Hard Fiber Sheets
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: 9,000-21,000 psi (Good)
- Impact Strength: 1.8-2.5 ft.-lbs./in. (Good)
- Hardness: See table
- For Use Outdoors: No
- Specifications Met: See table
Also known as vulcanized fiber, these hard fiber sheets can be readily machined and punched into custom parts. They're constructed from lightweight cotton fabric that's been chemically treated to make them hard and dense. Use hard fiber to make gears and bushings.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Hardness | Specifications Met | Each | |
12" × 12" | |||||
|---|---|---|---|---|---|
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 000000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
24" × 39" | |||||
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
39" × 48" | |||||
| 0.02" | -0.002" to 0.002" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Rockwell R70 (Hard) | MIL-I-695, UL 94 HB | 0000000 | 00000 |
| 1/16" | -0.005" to 0.005" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 3/32" | -0.007" to 0.007" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/8" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 3/16" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/4" | -0.015" to 0.015" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 3/8" | -0.02" to 0.02" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 000000 |
Electrically Insulating Hard Fiber
- Color: Gray
- Max. Temperature: 235° F
- Tensile Strength: See Table
- Impact Strength: 2.5 ft.-lbs./in. (Good)
- Hardness: Rockwell R70 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-I-695, UL 94 HB
Widely known as fishpaper and vulcanized fiber, these thin sheets offer better electrical insulation than standard hard fiber sheets. They are constructed from lightweight cotton fabric that's been chemically treated to make it hard and dense.
For technical drawings and 3-D models, click on a part number.
12" × 12" | 24" × 39" | 39" × 48" | ||||||
|---|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Tensile Strength | Each | Each | Each | |||
| 0.005" | -0.001" to 0.001" | 9,000-21,000 psi (Good) | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 0.01" | -0.001" to 0.001" | 9,000-21,000 psi (Good) | 0000000 | 0000 | 0000000 | 00000 | 0000000 | 00000 |
| 0.015" | -0.002" to 0.002" | 9,000-21,000 psi (Good) | 0000000 | 0000 | 0000000 | 00000 | 0000000 | 00000 |
| 0.02" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
| 0.025" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 00000 |
| 0.04" | -0.004" to 0.004" | Not Rated | 0000000 | 00000 | 0000000 | 000000 | 000000 | 00 |
| 0.045" | -0.005" to 0.005" | Not Rated | 0000000 | 00000 | 0000000 | 000000 | 000000 | 00 |
| 0.062" | -0.007" to 0.007" | 10,000-21,000 psi (Good) | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |