Product Group
Copper washer (copper seal)
30 different sizes · ID 3.2 – 60 mm
The table below lists the sizes in this group. If you know the size you need, search within a tolerance in the size finder and request a quote directly from the results.
Size table
Dimensions are in millimetres.
| Inner diameter | Outer diameter | Height | Material | Product name |
|---|---|---|---|---|
| — | — | — | — | COPPER WASHER SET INCH (295 PIECE) |
| — | — | — | — | COPPER WASHER SET INCH (75 PIECE) |
| — | — | — | — | COPPER WASHER SET METRIC (135 PIECE) |
| 3.2 | 8.2 | 1 | — | M-3 COPPER WASHER 3.20X8.20X1 MM |
| 6 | 10 | 1.2 | — | M-6 COPPER WASHER 6X10X1.20 MM |
| 8 | 12 | 1.2 | — | M-8 COPPER WASHER 8X12X1.20 MM |
| 10 | 14 | 1.2 | — | 1/8 COPPER WASHER 10X14X1.20 MM |
| 12 | 16 | 1.2 | — | M-12 COPPER WASHER 12X16X1.20 MM |
| 13 | 18 | 1.2 | — | 1/4 COPPER WASHER 13X18X1.20 MM |
| 14 | 18 | 1.2 | — | M-14 COPPER WASHER 14X18X1.20 MM |
| 16 | 20 | 1.2 | — | M-16 COPPER WASHER 16X20X1.20 MM |
| 16.9 | 21.2 | 1.2 | — | 3/8 COPPER WASHER 16.90X21.20X1.20 |
| 18 | 22 | 1.2 | — | M-18 COPPER WASHER 18X22X1.20 MM |
| 20 | 24.5 | 1.2 | — | M-20 COPPER WASHER 20X24.50X1.20 MM |
| 21.2 | 26.7 | 1.2 | — | 1/2 COPPER WASHER 21.20X26.70X1.20 MM |
| 22 | 27 | 1.2 | — | M-22 COPPER WASHER 22X27X1.20 MM |
| 24 | 29 | 1.2 | — | M-24 COPPER WASHER 24X29X1.20 MM |
| 26 | 31 | 1.2 | — | M-26 COPPER WASHER 26X31X1.20 MM |
| 26.7 | 32 | 1.2 | — | 3/4 COPPER WASHER 26.70X32X1.20 MM |
| 28 | 34 | 1.2 | — | M-28 COPPER WASHER 28X34X1.20 MM |
| 30 | 36 | 1.2 | — | M-30 COPPER WASHER 30X36X1.20 MM |
| 32 | 38 | 2 | — | 32x38x2 COPPER WASHER |
| 32.2 | 40.5 | 1 | — | M-32 COPPER WASHER 32.20X40.50X1 MM |
| 33 | 39 | 1.2 | — | M-33 COPPER WASHER 33X39X1.20 MM |
| 33.5 | 41 | 1.2 | — | 1 COPPER WASHER 33.50X41X1.20 MM |
| 36 | 42 | 1.2 | — | M-36 COPPER WASHER 36X42X1.20 MM |
| 38 | 44 | 1.2 | — | M-38 COPPER WASHER 38X44X1.20 MM |
| 42 | 50 | 1.2 | — | 1 1/4 COPPER WASHER 42X50X1.20 MM |
| 48 | 55 | 1.2 | — | 1 1/2 COPPER WASHER 48x55x1.20 MM |
| 60 | 67 | 1.2 | — | 2 COPPER WASHER 60X67X1.20 |
What is a sealing washer?
The washers in this group prevent leakage between surfaces in screw and fitting connections. The metal body carries the clamping force, while the elastomer or soft-metal layer fills the surface irregularities and provides the seal.
Send us your size
We can also supply sizes that are not on the list. Just send us the part's dimensions and operating conditions. See the group list for all product groups and the product catalogue for products with technical drawings.