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Plastic Washers
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All of these washers are lightweight, nonconductive, and naturally rust resistant. They are commonly used in electronics and automation applications to take the pressure off screws and nuts and protect mounting surfaces.
Electrically Insulating Ultem PEI—Our best electrical insulators, these washers are often used to secure components in circuit-breaker housings and semiconductors.
Temp. Range, ° F | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thk. | Min. | Max. | Specs. Met | Choose a Color | Pkg. Qty. | Pkg. | |||
Electrically Insulating Ultem PEI | ||||||||||||
| No. 4 | 0.125" | 0.313" | 0.025" to 0.040" | -30 | 450 | ASME B18.21.1 | Beige, Black | 10 | 91138A920 | 00000 | ||
| No. 5 | 0.141" | 0.350" | 0.036" to 0.045" | -30 | 450 | ASME B18.21.1 | Beige, Black | 10 | 91138A921 | 0000 | ||
| No. 6 | 0.156" | 0.375" | 0.020" to 0.060" | -30 | 450 | ASME B18.21.1 | Beige, Black | 10 | 91138A924 | 0000 | ||
| No. 8 | 0.188" | 0.438" | 0.020" to 0.060" | -30 | 450 | ASME B18.21.1 | Beige, Black | 10 | 91138A927 | 0000 | ||
| No. 10 | 0.218" | 0.500" | 0.020" to 0.060" | -30 | 450 | ASME B18.21.1 | Beige, Black | 10 | 91138A915 | 0000 | ||
| No. 12 | 0.250" | 0.562" | 0.051" to 0.080" | -30 | 450 | ASME B18.21.1 | Black | 10 | 91138A838 | 0000 | ||
| 1/4" | 0.281" | 0.625" | 0.040" to 0.080" | -30 | 450 | ASME B18.21.1 | Black | 10 | 91138A834 | 0000 | ||
| 5/16" | 0.343" | 0.688" | 0.060" to 0.100" | -30 | 450 | ASME B18.21.1 | Black | 10 | 91138A850 | 0000 | ||
| 3/8" | 0.406" | 1.000" | 0.060" to 0.100" | -30 | 450 | ASME B18.21.1 | Black | 5 | 91138A844 | 0000 | ||
| 7/16" | 0.469" | 1.250" | 0.051" to 0.080" | -30 | 450 | ASME B18.21.1 | Black | 5 | 91138A857 | 0000 | ||
| 1/2" | 0.531" | 1.375" | 0.064" to 0.104" | -30 | 450 | ASME B18.21.1 | Black | 5 | 91138A832 | 00000 | ||
| 5/8" | 0.656" | 1.750" | 0.074" to 0.121" | -30 | 450 | ASME B18.21.1 | Black | 1 | 91138A852 | 0000 | ||
| 3/4" | 0.812" | 2.000" | 0.108" to 0.160" | -30 | 450 | ASME B18.21.1 | Black | 1 | 91138A842 | 0000 | ||
| 7/8" | 0.938" | 2.250" | 0.108" to 0.160" | -30 | 450 | ASME B18.21.1 | Black | 1 | 91138A859 | 0000 | ||
| M2 | 2.2 mm | 5.0 mm | 0.2 mm to 0.4 mm | -30 | 450 | DIN 125 | Beige, Black | 10 | 95331A100 | 0000 | ||
| M3 | 3.2 mm | 7.0 mm | 0.4 mm to 0.6 mm | -30 | 450 | DIN 125 | Beige, Black | 10 | 95331A200 | 0000 | ||
| M4 | 4.3 mm | 9.0 mm | 0.7 mm to 0.9 mm | -30 | 450 | DIN 125 | Beige, Black | 10 | 95331A300 | 0000 | ||
| M5 | 5.5 mm | 10.0 mm | 0.9 mm to 1.1 mm | -30 | 450 | DIN 125 | Beige, Black | 10 | 95331A400 | 0000 | ||
| M6 | 6.5 mm | 12.0 mm | 1.5 mm to 1.7 mm | -30 | 450 | DIN 125 | Black | 10 | 95331A502 | 0000 | ||
| M7 | 7.5 mm | 14.0 mm | 1.4 mm to 1.8 mm | -30 | 450 | DIN 125 | Black | 10 | 95331A602 | 0000 | ||
| M8 | 8.4 mm | 16.0 mm | 1.4 mm to 1.8 mm | -30 | 450 | DIN 125 | Black | 10 | 95331A702 | 0000 | ||
| M10 | 10.5 mm | 21.0 mm | 1.8 mm to 2.2 mm | -30 | 450 | DIN 125 | Black | 5 | 95331A802 | 0000 | ||
| M12 | 13.0 mm | 24.0 mm | 2.3 mm to 2.7 mm | -30 | 450 | DIN 125 | Black | 5 | 95331A902 | 0000 | ||
