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Cup Washers for Oversized Holes
Cover oversized holes and the ends of tubes and pipe with these cup-shaped washers. They are zinc-plated steel for corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Dia. (A) | Dia. (B) | Thick. | Overall Ht. | Hardness | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No. 4 | 0.125" | 0.500" | 0.250" | 0.375" | 0.030"-0.065" | 0.135" | Rockwell B75 | 25 | 000000000 | 000000 |
| No. 6 | 0.156" | 0.750" | 0.300" | 0.468" | 0.030"-0.065" | 0.167" | Rockwell B75 | 25 | 000000000 | 00000 |
| No. 8 | 0.172" | 1.000" | 0.355" | 0.531" | 0.030"-0.065" | 0.187" | Rockwell B75 | 10 | 000000000 | 00000 |
| No. 10 | 0.219" | 1.500" | 0.438" | 0.728" | 0.030"-0.065" | 0.197" | Rockwell B40 | 5 | 000000000 | 0000 |
| No. 12 | 0.250" | 2.500" | 0.500" | 0.812" | 0.051"-0.080" | 0.197" | Rockwell B40 | 5 | 000000000 | 00000 |
| 1/4" | 0.281" | 3.000" | 0.562" | 1.000" | 0.051"-0.080" | 0.197" | Rockwell B40 | 5 | 000000000 | 00000 |
| 5/16" | 0.344" | 2.500" | 0.625" | 1.015" | 0.051"-0.080" | 0.197" | Rockwell B40 | 5 | 000000000 | 00000 |
| 3/8" | 0.406" | 3.000" | 0.750" | 1.219" | 0.051"-0.080" | 0.197" | Rockwell B40 | 5 | 000000000 | 00000 |
| 1/2" | 0.531" | 3.500" | 0.987" | 1.593" | 0.051"-0.080" | 0.187" | Rockwell B75 | 5 | 000000000 | 00000 |