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OD OD |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Overall Height Overall Height |
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Hardness Hardness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Specifications Met Specifications Met |
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 | Round |
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Dielectric Strength Dielectric Strength |
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About Washers
More
Extreme-Temperature Ceramic Washers
Ceramic washers withstand temperatures up to 3000° F. They are good electrical insulators and resist moisture as well as hydrochloric and nitric acid gases. Suitable for use in ovens.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Max. Temperature, °F | Specifications Met | Color | Each | |
Ceramic | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. 0 | 0.068" | 0.188" | 0.022"-0.028" | 3000° | __ | Off-White | 000000000 | 00000 |
| No. 2 | 0.094" | 0.250" | 0.028"-0.036" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 4 | 0.125" | 0.375" | 0.036"-0.045" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 5 | 0.141" | 0.406" | 0.036"-0.045" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 6 | 0.156" | 0.438" | 0.036"-0.045" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 8 | 0.188" | 0.500" | 0.036"-0.045" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 10 | 0.203" | 0.562" | 0.036"-0.045" | 3000° | __ | Off-White | 000000000 | 0000 |
| No. 12 | 0.234" | 0.625" | 0.056"-0.071" | 3000° | __ | Off-White | 000000000 | 0000 |
| 1/4" | 0.281" | 0.734" | 0.056"-0.071" | 3000° | __ | Off-White | 000000000 | 0000 |
| 5/16" | 0.344" | 0.875" | 0.056"-0.071" | 3000° | __ | Off-White | 000000000 | 0000 |
| 3/8" | 0.406" | 1.000" | 0.056"-0.071" | 3000° | __ | Off-White | 000000000 | 0000 |
| 7/16" | 0.469" | 1.125" | 0.056"-0.071" | 3000° | __ | Off-White | 000000000 | 0000 |
| 1/2" | 0.531" | 1.250" | 0.090"-0.112" | 3000° | __ | Off-White | 000000000 | 0000 |
| 9/16" | 0.594" | 1.469" | 0.090"-0.112" | 3000° | __ | Off-White | 000000000 | 0000 |
| 5/8" | 0.656" | 1.750" | 0.090"-0.112" | 3000° | __ | Off-White | 000000000 | 0000 |
| 3/4" | 0.812" | 2.000" | 0.090"-0.112" | 3000° | __ | Off-White | 000000000 | 0000 |
| 7/8" | 0.938" | 2.250" | 0.146"-0.174" | 3000° | ASME B18.21.1 | Off-White | 000000000 | 0000 |
| 1" | 1.062" | 2.500" | 0.146"-0.174" | 3000° | ASME B18.21.1 | Off-White | 000000000 | 0000 |
Metric Extreme-Temperature Ceramic Washers
Ceramic washers withstand temperatures up to 3000° F. They are good electrical insulators and resist moisture as well as hydrochloric and nitric acid gases. Suitable for use in ovens.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID, mm | OD, mm | Thick., mm | Max. Temperature, °F | Specifications Met | Color | Each | |
Ceramic | ||||||||
|---|---|---|---|---|---|---|---|---|
| M2 | 2.6 | 6.0 | 0.6-0.9 | 3000° | ASME B18.22M | Off-White | 000000000 | 00000 |
| M3 | 3.6 | 10.0 | 0.8-1.2 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M4 | 4.8 | 12.0 | 1.0-1.4 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M5 | 5.6 | 15.0 | 1.2-1.8 | 3000° | __ | Off-White | 000000000 | 0000 |
| M6 | 6.8 | 18.8 | 1.2-1.8 | 3000° | __ | Off-White | 000000000 | 0000 |
| M8 | 9.0 | 25.4 | 1.6-2.3 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M10 | 11.0 | 28.0 | 2.0-2.8 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M12 | 13.4 | 34.0 | 2.5-3.5 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M14 | 15.4 | 39.0 | 2.5-3.5 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M16 | 17.4 | 44.0 | 3.0-4.0 | 3000° | ASME B18.22M | Off-White | 000000000 | 0000 |
| M20 | 22.0 | 50.0 | 3.5-4.6 | 3000° | ASME B18.22M | Off-White | 000000000 | 00000 |
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.
Ceramic washers withstand high temperatures and resist moisture as well as hydrochloric and nitric acid gases.
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. | |
Ceramic | |||||||||||
| No. 6 | 0.150" | 0.500" | 0.281" | 0.125" | 0.187" | Not Rated | 1700° | Off-White | 5 | 000000000 | 000000 |
| No. 6 | 0.150" | 0.500" | 0.281" | 0.187" | 0.437" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| No. 8 | 0.175" | 0.625" | 0.406" | 0.125" | 0.187" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| No. 8 | 0.175" | 0.625" | 0.406" | 0.218" | 0.468" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| No. 10 | 0.200" | 0.750" | 0.468" | 0.156" | 0.218" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| No. 10 | 0.200" | 0.750" | 0.468" | 0.218" | 0.468" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| 1/4" | 0.265" | 0.875" | 0.593" | 0.188" | 0.250" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| 1/4" | 0.265" | 0.875" | 0.593" | 0.250" | 0.500" | Not Rated | 1700° | Off-White | 5 | 000000000 | 00000 |
| M2 | 2.100mm | 4.200mm | 3.000mm | 1.500mm | 4.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M3 | 3.100mm | 6.200mm | 4.000mm | 1.500mm | 3.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M3 | 3.100mm | 6.200mm | 4.000mm | 1.500mm | 5.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M3 | 3.100mm | 6.200mm | 4.000mm | 1.500mm | 9.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M4 | 4.100mm | 8.400mm | 6.000mm | 1.500mm | 4.500mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M4 | 4.100mm | 8.400mm | 6.000mm | 1.500mm | 6.500mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M5 | 5.100mm | 10.200mm | 7.000mm | 2.000mm | 5.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M5 | 5.100mm | 10.200mm | 7.000mm | 2.000mm | 7.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M6 | 6.100mm | 12.200mm | 8.000mm | 2.000mm | 6.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M6 | 6.100mm | 12.200mm | 8.000mm | 2.000mm | 12.000mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M8 | 8.100mm | 14.200mm | 10.000mm | 2.500mm | 6.500mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
| M8 | 8.100mm | 14.200mm | 10.000mm | 2.500mm | 10.500mm | Not Rated | 1700° | Off-White | 1 | 000000000 | 0000 |
Electrical-Insulating Cup Sleeve Washers
These washers have a flat bottom and high walls to protect metal screw heads from electrical current and prevent galvanic corrosion from mating different types of metal.
Ceramic washers withstand high temperatures and resist moisture as well as hydrochloric and nitric acid gases.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Cup ID | Inside Dp. | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Ceramic | |||||||||||||
| No. 4 | 0.130" | 0.440" | 0.250" | 0.125" | 0.100" | 0.225" | Not Rated | 1700° | Rockwell C73 | Off-White | 1 | 000000000 | 00000 |
| No. 6 | 0.160" | 0.500" | 0.312" | 0.150" | 0.100" | 0.250" | Not Rated | 1700° | Rockwell C73 | Off-White | 1 | 000000000 | 0000 |
| No. 8 | 0.180" | 0.560" | 0.375" | 0.170" | 0.100" | 0.270" | Not Rated | 1700° | Rockwell C73 | Off-White | 1 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.625" | 0.437" | 0.190" | 0.100" | 0.290" | Not Rated | 1700° | Rockwell C73 | Off-White | 1 | 000000000 | 0000 |
| 1/4" | 0.260" | 0.750" | 0.531" | 0.250" | 0.100" | 0.350" | Not Rated | 1700° | Rockwell C73 | Off-White | 1 | 000000000 | 0000 |
Electrical-Insulating Unthreaded Spacers
Ceramic
Protect components from electrical charges.
Ceramic spacers withstand high temperatures.
For technical drawings and 3-D models, click on a part number.
| Lg. | For Screw Size | ID | Dielectric Strength, V/mil | Temperature Range, °F | Color | Pkg. Qty. | Pkg. | |
Unglazed Grade L5 Ceramic | ||||||||
|---|---|---|---|---|---|---|---|---|
1/4" OD | ||||||||
| 3/16" | No. 3 | 0.115" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 00000 |
| 3/16" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1/4" | No. 3 | 0.115" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1/4" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/8" | No. 3 | 0.115" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/8" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1/2" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 5/8" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/4" | No. 4 | 0.140" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
3/8" OD | ||||||||
| 1/4" | No. 8 | 0.192" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/8" | No. 8 | 0.192" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1/2" | No. 8 | 0.192" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/4" | No. 8 | 0.192" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1" | No. 8 | 0.192" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
1/2" OD | ||||||||
| 3/8" | No. 10 | 0.250" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1/2" | No. 10 | 0.250" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 3/4" | No. 10 | 0.250" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |
| 1" | No. 10 | 0.250" | 275 | 50° to 1700° | Beige | 1 | 000000000 | 0000 |