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About Washers
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Plastic Washers for Rigid Insulation
Plastic washers resist moisture, chemicals, and friction and are good electrical insulators. These have a large surface that distributes holding pressure to reduce the likelihood of crushing insulation.
Washers with prongs enable pre-spotting into insulation for easy on-the-wall fastener assembly.
Washers with an insulating seal have a stiff center with a flexible perimeter that creates a barrier against air and moisture penetration when fastened to rigid insulation.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Max. Temperature, °F | Specifications Met | Color | Features | Pkg. Qty. | Pkg. | |
Polypropylene Plastic | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. 12, No. 14, No. 15 | 0.190" | 3.000" | 0.260" | 150° | FM Approved | White | __ | 25 | 000000000 | 000000 |
| No. 10 | 0.190" | 1.750" | 0.180" | 150° | __ | White | Prongs | 50 | 000000000 | 0000 |
| No. 10 | 0.190" | 2.000" | 0.220" | 150° | __ | Black | Insulating Seal, Prongs | 25 | 000000000 | 0000 |
Steel Washers for Rigid Insulation
Steel washers provide a stronger bearing surface than plastic washers. These have a large surface that distributes holding pressure to reduce the likelihood of crushing insulation.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | Wd. | Thick. | Pkg. Qty. | Pkg. | |
Steel | ||||||
|---|---|---|---|---|---|---|
| No. 12, No. 14, 1/4", No. 15 | 0.270" | 2.875" | 0.019" | 50 | 000000000 | 000000 |