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High-Temperature Plastic Washers
These are among the most heat resistant plastic washers we carry. All have good chemical resistance.
PEEK washers have excellent tensile strength for high-stress applications. Carbon-filled PEEK washers are stronger and more moisture resistant than PEEK washers.
Polyimide washers are better electrical insulators than PEEK washers.
Ultem PEI washers are flame retardant, UV stable, and can be used outdoors. They also offer excellent electrical-insulating properties.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Specifications Met | Choose a Color | Pkg. Qty. | Pkg. | |
PEEK Plastic | |||||||||||
No. 0 | 0.078" | 0.188" | 0.016"-0.025" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Beige | 10 | 000000000 | 00000 |
No. 0 | 0.078" | 0.188" | 0.016"-0.025" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 2 | 0.094" | 0.250" | 0.016"-0.025" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Beige | 10 | 000000000 | 0000 |
No. 2 | 0.094" | 0.250" | 0.016"-0.025" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.313" | 0.025"-0.040" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Beige | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.313" | 0.025"-0.040" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.375" | 0.036"-0.045" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 10 | 000000000 | 0000 |
No. 5 | 0.141" | 0.350" | 0.036"-0.045" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
No. 5 | 0.141" | 0.350" | 0.036"-0.045" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 6 | 0.150" | 0.380" | 0.020"-0.060" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
No. 8 | 0.190" | 0.440" | 0.020"-0.060" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
No. 10 | 0.220" | 0.510" | 0.020"-0.060" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
No. 10 | 0.220" | 0.510" | 0.020"-0.060" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 12 | 0.250" | 0.562" | 0.051"-0.080" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Beige | 10 | 000000000 | 0000 |
No. 12 | 0.250" | 0.562" | 0.051"-0.080" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
1/4" | 0.280" | 0.630" | 0.040"-0.080" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
1/4" | 0.280" | 0.630" | 0.040"-0.080" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
1/4" | 0.281" | 0.500" | 0.056"-0.071" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 10 | 000000000 | 0000 |
1/4" | 0.281" | 0.734" | 0.054"-0.074" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 10 | 000000000 | 0000 |
5/16" | 0.340" | 0.690" | 0.040"-0.080" | -50° | 500° | Rockwell M103 | __ | Beige | 10 | 000000000 | 0000 |
5/16" | 0.343" | 0.688" | 0.040"-0.080" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
5/16" | 0.344" | 0.875" | 0.054"-0.074" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 10 | 000000000 | 0000 |
3/8" | 0.406" | 0.812" | 0.042"-0.082" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 10 | 000000000 | 00000 |
3/8" | 0.406" | 1.000" | 0.064"-0.104" | -50° | 500° | Rockwell M103 | __ | Beige | 5 | 000000000 | 0000 |
3/8" | 0.406" | 1.000" | 0.064"-0.104" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
7/16" | 0.469" | 1.250" | 0.064"-0.104" | -50° | 500° | Rockwell M103 | __ | Beige | 5 | 000000000 | 0000 |
7/16" | 0.469" | 1.250" | 0.064"-0.104" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.062" | 0.074"-0.121" | -50° | 550° | Not Rated | __ | Beige | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.250" | 0.090"-0.112" | -50° | 550° | Not Rated | ASME B18.22.1 | Beige | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.375" | 0.064"-0.104" | -50° | 500° | Rockwell M103 | __ | Beige | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.375" | 0.064"-0.104" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
9/16" | 0.594" | 1.469" | 0.074"-0.121" | -50° | 500° | Rockwell M103 | __ | Beige | 1 | 000000000 | 0000 |
9/16" | 0.594" | 1.469" | 0.074"-0.121" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
5/8" | 0.656" | 1.750" | 0.074"-0.121" | -50° | 500° | Rockwell M103 | __ | Beige | 1 | 000000000 | 0000 |
5/8" | 0.656" | 1.750" | 0.074"-0.121" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.108"-0.160" | -50° | 500° | Rockwell M103 | __ | Beige | 1 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.108"-0.160" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.108"-0.160" | -50° | 500° | Rockwell M103 | __ | Beige | 1 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.108"-0.160" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
1" | 1.062" | 2.500" | 0.108"-0.150" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
1" | 1.062" | 2.500" | 0.108"-0.160" | -50° | 500° | Rockwell M103 | __ | Beige | 1 | 000000000 | 0000 |
Carbon-Filled PEEK Plastic | |||||||||||
No. 0 | 0.078" | 0.188" | 0.016"-0.025" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 2 | 0.094" | 0.250" | 0.016"-0.025" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.313" | 0.025"-0.040" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 6 | 0.150" | 0.380" | 0.036"-0.065" | -50° | 500° | Rockwell M103 | __ | Black | 10 | 000000000 | 0000 |
No. 8 | 0.190" | 0.440" | 0.036"-0.065" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 10 | 0.220" | 0.510" | 0.036"-0.065" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
No. 12 | 0.250" | 0.562" | 0.051"-0.080" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
1/4" | 0.280" | 0.630" | 0.051"-0.080" | -50° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
5/16" | 0.340" | 0.690" | 0.064"-0.104" | -50° | 500° | Rockwell M103 | __ | Black | 5 | 000000000 | 0000 |
3/8" | 0.406" | 1.000" | 0.064"-0.104" | -50° | 500° | Rockwell M103 | __ | Black | 5 | 000000000 | 0000 |
7/16" | 0.469" | 1.250" | 0.064"-0.104" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.375" | 0.064"-0.104" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 5 | 000000000 | 00000 |
9/16" | 0.594" | 1.469" | 0.074"-0.121" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.108"-0.160" | -20° | 500° | Rockwell M103 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
Polyimide Plastic | |||||||||||
No. 0 | 0.062" | 0.219" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 2 | 0.094" | 0.250" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 3 | 0.101" | 0.250" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.312" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 6 | 0.156" | 0.375" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 8 | 0.196" | 0.500" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
No. 10 | 0.203" | 0.625" | 0.005"-0.006" | -420° | 450° | Not Rated | __ | Orange | 10 | 000000000 | 0000 |
1/4" | 0.281" | 0.687" | 0.005"-0.006" | -450° | 750° | Not Rated | ASTM D5213 | Amber | 10 | 000000000 | 00000 |
1/4" | 0.281" | 0.875" | 0.005"-0.006" | -450° | 750° | Not Rated | ASTM D5213 | Amber | 10 | 000000000 | 00000 |
3/8" | 0.406" | 0.812" | 0.005"-0.006" | -450° | 750° | Not Rated | ASTM D5213 | Amber | 10 | 000000000 | 00000 |
3/8" | 0.406" | 1.000" | 0.005"-0.006" | -450° | 750° | Not Rated | ASTM D5213 | Amber | 10 | 000000000 | 00000 |
Ultem PEI Plastic | |||||||||||
No. 4 | 0.125" | 0.313" | 0.025"-0.040" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | 10 | 000000000 | 0000 | |
No. 5 | 0.141" | 0.350" | 0.036"-0.045" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | 10 | 000000000 | 0000 | |
No. 6 | 0.156" | 0.375" | 0.020"-0.060" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | 10 | 000000000 | 0000 | |
No. 8 | 0.188" | 0.438" | 0.020"-0.060" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | 10 | 000000000 | 0000 | |
No. 10 | 0.218" | 0.500" | 0.020"-0.060" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | 10 | 000000000 | 0000 | |
No. 12 | 0.250" | 0.562" | 0.051"-0.080" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
1/4" | 0.281" | 0.625" | 0.040"-0.080" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
5/16" | 0.343" | 0.688" | 0.060"-0.100" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 10 | 000000000 | 0000 |
3/8" | 0.406" | 1.000" | 0.060"-0.100" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
7/16" | 0.469" | 1.250" | 0.051"-0.080" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
1/2" | 0.531" | 1.375" | 0.064"-0.104" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 5 | 000000000 | 0000 |
5/8" | 0.656" | 1.750" | 0.074"-0.121" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.108"-0.160" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.108"-0.160" | -30° | 450° | Rockwell M114 | ASME B18.21.1 | Black | 1 | 000000000 | 0000 |