System of Measurement System of Measurement |
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Washer Type Washer Type |
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 | For Foam Insulation |
For Screw Size For Screw Size |
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Thickness Thickness |
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Finish Finish |
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Material Material |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Hardness Hardness |
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About Washers
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Washers for Foam Insulation
These washers have prongs that pierce foam insulation so they stay in place. Use them with self-sinking flat head (bugle head) screws. They are galvanized steel for corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Prong Lg. | Pkg. Qty. | Pkg. | |
Galvanized Steel | |||||||
|---|---|---|---|---|---|---|---|
| No. 8 | 0.175" | 1.250" | 0.020"-0.024" | 5/16" | 50 | 000000000 | 000000 |