System of Measurement System of Measurement |
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For Screw Size For Screw Size | Show |
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For Screw Size For Screw Size | Hide |
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Material Material |
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Thickness Thickness |
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Washer Type Washer Type |
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 | Flat |
Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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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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Color Color |
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 | Black |
About Washers
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General Purpose Washers
316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.
18-8 stainless steel and 17-7 PH stainless steel washers have good chemical resistance and may be mildly magnetic. Zinc yellow-chromate and chrome-plated steel washers are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
USS Washers
USS washers generally have a larger ID and OD than SAE washers.
18-8 stainless steel washers have good chemical resistance and may be mildly magnetic. Hot-dipped galvanized steel washers are 10 times as corrosion resistant as zinc-plated washers.
Black corrosion-resistant-coated steel washers resist chemicals and withstand 1,000 hours of salt spray.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
18-8 Stainless Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2 3/4" | 2.875" | 5.250" | 0.228"-0.310" | Not Rated | ASME B18.21.1 | 1 | 000000000 | 000000 |
Black Ultra-Corrosion-Resistant Coated Steel | ||||||||
| 2 3/4" | 2.875" | 5.250" | 0.228"-0.310" | Not Rated | ASME B18.21.1 | 1 | 000000000 | 00000 |
Hot-Dipped Galvanized Steel | ||||||||
| 2 3/4" | 2.875" | 5.250" | 0.228"-0.310" | Not Rated | ASME B18.21.1 | 1 | 000000000 | 00000 |
Washers for Structural Applications
Designed for use with A325 structural screws, studs, and nuts, these washers are often used for construction and exterior building applications.
Hot-dipped galvanized washers are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.