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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 | 00000000 |
| 1/2" | -0.025" to 0.025" | Rockwell R80 (Hard) | MIL-F-10336, MIL-F-1148, UL 94 HB | 0000000 | 00000000 |
Easy-to-Machine Hard Fiber Rods
- 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: Rockwell R80 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-F-10336, MIL-F-1148, UL 94 HB
Frequently used to make gears and bushings, these hard fiber rods can be readily machined and punched into custom parts. They are constructed from lightweight cotton fabric that's been chemically treated to make them hard and dense. Hard fiber is also known as vulcanized fiber.
For technical drawings and 3-D models, click on a part number.
45" Lg. | |||
|---|---|---|---|
| Dia. | Dia. Tolerance | Each | |
| 3/16" | -0.005" to 0.005" | 0000000 | 000000 |
| 1/4" | -0.005" to 0.005" | 0000000 | 00000 |
| 5/16" | -0.006" to 0.006" | 0000000 | 00000 |
| 3/8" | -0.006" to 0.006" | 0000000 | 00000 |
| 1/2" | -0.006" to 0.006" | 0000000 | 00000 |
| 9/16" | -0.006" to 0.006" | 0000000 | 000000 |
| 5/8" | -0.006" to 0.006" | 0000000 | 000000 |
| 3/4" | -0.006" to 0.006" | 0000000 | 000000 |
Easy-to-Machine Hard Fiber Tubes
- 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: Rockwell R80 (Hard)
- For Use Outdoors: No
- Specifications Met: MIL-F-10336, MIL-F-1148, UL 94 HB
Readily machined and punched into custom parts, these hard fiber tubes are often made into bushings and washers. Also known as vulcanized fiber, they're 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.
| Wall Thick. | Wall Thick. Tolerance | OD | OD Tolerance | ID | ID Tolerance | Lg. | Each | |
| 1/16" | -0.01" to 0.01" | 9/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 40" | 0000000 | 000000 |
| 1/16" | -0.01" to 0.01" | 5/8" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/16" | -0.01" to 0.01" | 7/8" | -0.005" to 0.005" | 3/4" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/16" | -0.01" to 0.01" | 1" | -0.005" to 0.005" | 7/8" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.015" to 0.015" | 11/16" | -0.005" to 0.005" | 7/16" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 3/4" | -0.005" to 0.005" | 1/2" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 1/4" | -0.008" to 0.008" | 1" | -0.008" to 0.008" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 1/2" | -0.008" to 0.008" | 1 1/4" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 1 3/4" | -0.008" to 0.008" | 1 1/2" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
| 1/8" | -0.01" to 0.01" | 2 1/4" | -0.01" to 0.01" | 2" | -0.01" to 0.01" | 40" | 0000000 | 00000 |
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.
| Thick. | Thick. Tolerance | Tensile Strength | Each | |
6" × 12" | ||||
|---|---|---|---|---|
| 0.005" | -0.001" to 0.001" | Not Rated | 00000000 | 00000 |
| 0.01" | -0.001" to 0.001" | Not Rated | 00000000 | 0000 |
| 0.015" | -0.002" to 0.002" | Not Rated | 00000000 | 0000 |
| 0.02" | -0.002" to 0.002" | Not Rated | 00000000 | 0000 |
| 0.025" | -0.003" to 0.003" | Not Rated | 00000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Not Rated | 00000000 | 00000 |
| 0.04" | -0.004" to 0.004" | Not Rated | 00000000 | 00000 |
| 0.045" | -0.005" to 0.005" | Not Rated | 00000000 | 00000 |
12" × 12" | ||||
| 0.005" | -0.001" to 0.001" | Not Rated | 0000000 | 0000 |
| 0.01" | -0.001" to 0.001" | Not Rated | 0000000 | 0000 |
| 0.015" | -0.002" to 0.002" | Not Rated | 0000000 | 0000 |
| 0.02" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 |
| 0.025" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 |
| 0.04" | -0.004" to 0.004" | Not Rated | 0000000 | 00000 |
| 0.045" | -0.005" to 0.005" | Not Rated | 0000000 | 00000 |
| 0.062" | -0.007" to 0.007" | 10,000-21,000 psi (Good) | 0000000 | 00000 |
24" × 39" | ||||
| 0.005" | -0.001" to 0.001" | Not Rated | 0000000 | 00000 |
| 0.01" | -0.001" to 0.001" | Not Rated | 0000000 | 00000 |
| 0.015" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 |
| 0.02" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 |
| 0.025" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 |
| 0.03" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 |
| 0.04" | -0.004" to 0.004" | Not Rated | 0000000 | 000000 |
| 0.045" | -0.005" to 0.005" | Not Rated | 0000000 | 000000 |
| 0.062" | -0.007" to 0.007" | 10,000-21,000 psi (Good) | 0000000 | 000000 |
39" × 48" | ||||
| 0.005" | -0.001" to 0.001" | Not Rated | 0000000 | 00000 |
| 0.01" | -0.001" to 0.001" | Not Rated | 0000000 | 00000 |
| 0.015" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 |
| 0.02" | -0.002" to 0.002" | Not Rated | 0000000 | 00000 |
| 0.025" | -0.003" to 0.003" | Not Rated | 0000000 | 000000 |
| 0.03" | -0.003" to 0.003" | Not Rated | 0000000 | 00000 |
| 0.062" | -0.007" to 0.007" | 10,000-21,000 psi (Good) | 0000000 | 000000 |
39" × 60" | ||||
| 0.01" | -0.001" to 0.001" | Not Rated | 00000000 | 00000 |
| 0.015" | -0.002" to 0.002" | Not Rated | 00000000 | 00000 |