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Washer Type Washer Type |
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| Square-Neck Bolt Lock | For Foam Insulation |
Finish Finish |
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Minimum Thickness Minimum Thickness |
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About Washers
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Square-Neck Bolt Lock Washers
Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. They’re zinc-plated steel for corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
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 | 00000 |