Inch Size Alumina Shoulder Washers
Inch size Alumina shoulder washers (also called ceramic hat washers) electrically help to isolate components from one another. For instance, you can isolate one sample holder from another sample holder . Available in standard screw sizes. Made from 99.7%+ Al2O3 (alumina), these non-porous washers are fully vacuum compatible and bakable to over 400oC.
Can't find the exact size or shape you need? Please fill out our Custom Size Quote Form . We welcome custom product and fabrication projects.
Item # |
Item Name |
Screw Size |
(A) Large Diameter |
(B) Small Diameter |
(C) Small Diameter Thickness |
(D) Total Thickness |
(H) Inner Diameter |
Material Purity |
|
|---|---|---|---|---|---|---|---|---|---|
| 11052-1010 |
Alumina Washer Shoulder for # 0 Screw |
0 |
1/4 |
0.154 |
0.030 |
0.062 |
0.060 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1020 |
Alumina Washer Shoulder for # 1 screw |
1 |
1/4 |
0.154 |
0.030 |
0.062 |
0.073 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1030 |
Alumina Washer Shoulder for # 2 Screw |
2 |
0.281 |
0.169 |
0.030 |
0.078 |
0.086 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1040 |
Alumina Washer Shoulder for # 4 Screw |
4 |
0.354 |
0.249 |
0.030 |
0.078 |
0.112 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1050 |
Alumina Washer Shoulder for # 5 Screw |
5 |
0.440 |
0.279 |
0.046 |
0.093 |
0.125 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1060 |
Alumina Washer Shoulder for # 6 Screw |
6 |
0.468 |
0.310 |
0.046 |
0.093 |
0.138 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1070 |
Alumina Washer Shoulder for # 8 Screw |
8 |
1/2 |
0.341 |
0.062 |
0.125 |
0.164 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |
|
| 11052-1080 |
Alumina Washer Shoulder for #10 Screw |
10 |
0.562 |
0.373 |
0.062 |
0.125 |
0.190 |
Alumina Oxide Ceramic (Al2O3) 99.8% Pure (AD 998) |