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Seal Material Seal Material |
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For Screw Size For Screw Size |
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Thickness Thickness |
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Washer Type Washer Type |
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| Metal Bonded | Flat |
Seal Color Seal Color |
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 | Black |
Hardness Hardness |
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Maximum Temperature Maximum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Seal Hardness Seal Hardness |
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Finish Finish |
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Specifications Met Specifications Met |
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Drive Style Drive Style |
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About Washers
More
Metal-Bonded Sealing Washers
Create a stronger seal than metal or rubber alone. These one-piece washers are metal for strength with a bonded rubber seal that creates a tight grip. Made of neoprene, the seal has good oil and abrasion resistance. Washers are reusable.
18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.
Hot-dipped galvanized steel washers are corrosion resistant in wet environments.
Aluminum washers are lightweight and corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Seal Hardness | Seal Color | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel with Neoprene Rubber Seal | ||||||||||
| No. 6 | 0.150" | 0.375" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 000000 |
| No. 8 | 0.180" | 0.375" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 8 | 0.180" | 0.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 10 | 0.200" | 0.375" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 10 | 0.200" | 0.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 10 | 0.200" | 0.625" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| No. 10 | 0.200" | 1.125" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 5 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.375" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 12 | 0.240" | 0.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| No. 12 | 0.240" | 0.625" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| No. 12 | 0.240" | 0.750" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 25 | 000000000 | 0000 |
| 1/4" | 0.260" | 0.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.275" | 0.625" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| 1/4" | 0.275" | 0.750" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 25 | 000000000 | 0000 |
| 1/4" | 0.275" | 1.000" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 0000 |
| 5/16" | 0.330" | 0.625" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| 5/16" | 0.330" | 0.750" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 25 | 000000000 | 0000 |
| 3/8" | 0.434" | 0.750" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 25 | 000000000 | 0000 |
| 3/8" | 0.434" | 1.000" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 0000 |
| 1/2" | 0.532" | 1.000" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 0000 |
| 5/8" | 0.650" | 1.188" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 5 | 000000000 | 00000 |
| 3/4" | 0.810" | 1.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 5 | 000000000 | 00000 |
| 7/8" | 0.910" | 1.500" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 5 | 000000000 | 00000 |
| 1" | 1.040" | 2.000" | 0.084"-0.114" | -40° | 250° | Durometer 65A | Black | 1 | 000000000 | 0000 |
Hot-Dipped Galvanized Steel with Neoprene Rubber Seal | ||||||||||
| No. 6 | 0.150" | 0.375" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 8 | 0.180" | 0.375" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 8 | 0.180" | 0.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.375" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.625" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 1.125" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 25 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.375" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.625" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.750" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.260" | 0.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| 1/4" | 0.275" | 0.625" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| 1/4" | 0.275" | 0.750" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.275" | 1.000" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| 5/16" | 0.330" | 0.625" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 0000 |
| 5/16" | 0.330" | 0.750" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.434" | 0.750" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 100 | 000000000 | 00000 |
| 3/8" | 0.434" | 1.000" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| 1/2" | 0.532" | 1.000" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 00000 |
| 5/8" | 0.650" | 1.188" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 0000 |
| 3/4" | 0.810" | 1.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 00000 |
| 7/8" | 0.910" | 1.500" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 10 | 000000000 | 00000 |
| 1" | 1.040" | 2.000" | 0.086"-0.116" | -40° | 250° | Durometer 65A | Black | 5 | 000000000 | 0000 |
Aluminum with Neoprene Rubber Seal | ||||||||||
| No. 10 | 0.200" | 0.500" | 0.090"-0.120" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 0000 |
| No. 12 | 0.240" | 0.500" | 0.090"-0.120" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 0000 |
| No. 14 | 0.275" | 0.625" | 0.090"-0.120" | -40° | 250° | Durometer 65A | Black | 50 | 000000000 | 0000 |
Oil-Resistant Rubber Sealing Washers
These washers surpass other rubber washers when it comes to withstanding oil, grease, and fuel. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
Neoprene washers have good abrasion resistance.
FDA-compliant washers are safe for direct contact with food.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Color | Specifications Met | Pkg. Qty. | Pkg. | |
Neoprene Rubber | |||||||||||
| No. 6 | 0.120" | 0.250" | 0.047"-0.077" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 000000 |
| No. 6 | 0.120" | 0.250" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 0000 |
| No. 6 | 0.120" | 0.375" | 0.046"-0.078" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| No. 6 | 0.120" | 0.375" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.047"-0.077" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| No. 8 | 0.150" | 0.312" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 0000 |
| No. 8 | 0.150" | 0.438" | 0.046"-0.078" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| No. 8 | 0.150" | 0.438" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.375" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.375" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.500" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 10 | 0.170" | 0.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.438" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.438" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 12 | 0.195" | 0.562" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| No. 14 | 0.230" | 0.500" | 0.046"-0.078" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| No. 14 | 0.230" | 0.500" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| No. 14 | 0.230" | 0.625" | 0.046"-0.078" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| No. 14 | 0.230" | 0.625" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| 1/4" | 0.230" | 0.625" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.562" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 5/16" | 0.290" | 0.688" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.625" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.625" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 100 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 3/8" | 0.355" | 0.812" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| 3/8" | 0.355" | 0.812" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 0000 |
| 1/2" | 0.490" | 1.062" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 00000 |
| 1/2" | 0.490" | 1.062" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 50 | 000000000 | 00000 |
| 5/8" | 0.615" | 1.312" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | __ | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.062" | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 25 | 000000000 | 00000 |
| 3/4" | 0.740" | 1.500" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 25 | 000000000 | 0000 |
| 3/4" | 0.740" | 1.500" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | __ | 25 | 000000000 | 0000 |
| 1" | 0.990" | 2.000" | 0.078"-0.108" | -20° | 180° | Durometer 55A | Black | __ | 25 | 000000000 | 00000 |
| 1" | 0.990" | 2.000" | 0.110"-0.140" | -20° | 180° | Durometer 55A | Black | __ | 10 | 000000000 | 0000 |
| M3 | 3.200mm | 7.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 0000 |
| M4 | 4.300mm | 9.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 0000 |
| M5 | 5.300mm | 10.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| M6 | 6.400mm | 12.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| M8 | 8.400mm | 16.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| M10 | 10.500mm | 20.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 50 | 000000000 | 00000 |
| M12 | 13.000mm | 24.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 25 | 000000000 | 00000 |
| M14 | 15.000mm | 28.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 25 | 000000000 | 00000 |
| M16 | 17.000mm | 30.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 10 | 000000000 | 00000 |
| M18 | 19.000mm | 34.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 10 | 000000000 | 00000 |
| M20 | 21.000mm | 37.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 10 | 000000000 | 00000 |
| M22 | 24.000mm | 39.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 10 | 000000000 | 00000 |
| M24 | 25.000mm | 44.000mm | 1.168mm-1.981mm | -30° | 220° | Durometer 55A | White | FDA Compliant 21 CFR 177.2600 | 5 | 000000000 | 00000 |
Fastener Kits for Enclosures
Mount components to your enclosure without worrying about leaks—these kits seal out water from washdowns, rain, and snow when used with enclosures rated NEMA 4X. They’re made of stainless steel, so they won’t corrode in outdoor or corrosive environments.
| Thread Size | Length | For Enclosure Environmental Rating | Material | Seal Material | For Hole Size | Required Installation Torque, in.-lbs. | Number of Pieces | Includes | Specifications Met | Each | |
| 8-32 | 1/2" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.177" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 000000 |
| 8-32 | 1" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.177" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 00000 |
| 10-32 | 1/2" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.201" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 00000 |
| 10-32 | 1" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.201" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 00000 |
| 1/4"-20 | 5/8" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.266" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 00000 |
| 1/4"-20 | 1" | NEMA 4X, NEMA 12 | 18-8 Stainless Steel | Neoprene | 0.266" | __ | 151 | Rounded Head Screws (50 Pieces) Sealing Washers (50 Pieces) Nylon-Insert Locknuts (50 Pieces) L-Key (1 Piece) | UL Listed, CSA Certified | 0000000 | 00000 |
| 3/8"-16 | 1" | NEMA 4X, NEMA 13 | 18-8 Stainless Steel | Neoprene | 13/32" | 150 | 30 | Hex Head Screws (10 Pieces) Sealing Washers (10 Pieces) External-Tooth Locknuts (10 Pieces) | UL Recognized Component, CSA Certified | 0000000 | 00000 |