Washers provide a smooth bearing surface and are used under the head of a bolt and / or a nut. Flat washers are covered under the ASTM specification F844. These washers are unhardened and intended for general use.
Stock
Diameters: 1/2″ – 3″ Origin: Domestic Finish: Black and hot-dip galvanized
Manufacturing
Fastindo Wiratama has the ability to manufacture or provide nonstandard square, rectangular, or round washers meeting the requirements of ASTM A36, A572 Grade 50, or F436.
| Dimensions | ||||||||
|---|---|---|---|---|---|---|---|---|
| Bolt Size | A | B | C | Weight (lbs.) Per 100 Pieces | Part numbers | |||
| Inside Diameter | Outside Diameter | Thickness | Domestic | Import | ||||
| Black | Galvanized | Black | Galvanized | |||||
| 1â„2 | 9â„16 | 13â„8 | 0.109 | 4 | 16408 | 1609 | 19794 | 19795 |
| 5â„8 | 11â„16 | 13â„4 | 0.134 | 8 | 16410 | 16411 | 19796 | 19797 |
| 3â„4 | 13â„16 | 2 | 0.148 | 11 | 16412 | 16413 | 19798 | 19799 |
| 7â„8 | 15â„16 | 21â„4 | 0.165 | 15 | 16414 | 16415 | 19800 | 19801 |
| 1 | 11â„16 | 21â„2 | 0.165 | 19 | 16416 | 16417 | 19802 | 19803 |
| 11â„8 | 11â„4 | 23â„4 | 0.165 | 22 | 16418 | 16419 | 19804 | 19805 |
| 11â„4 | 13â„8 | 3 | 0.165 | 26 | 16420 | 16421 | 19806 | 19807 |
| 13â„8 | 11â„2 | 31â„4 | 0.180 | 33 | 16422 | 16423 | 19808 | 19809 |
| 11â„2 | 15â„8 | 31â„2 | 0.180 | 38 | 16424 | 16425 | 19810 | 19811 |
| 15â„8 | 13â„4 | 33â„4 | 0.180 | 43 | 16426 | 16427 | - | - |
| 13â„4 | 17â„8 | 4 | 0.180 | 50 | 16428 | 16429 | 19812 | 19813 |
| 17â„8 | 2 | 41â„4 | 0.180 | 57 | 16430 | 16431 | - | - |
| 2 | 21â„8 | 41â„2 | 0.180 | 63 | 16432 | 16433 | 19814 | 19815 |
| 21â„4 | 23â„8 | 43â„4 | 0.220 | 83 | - | - | 16434 | 16435 |
| 21â„2 | 25â„8 | 5 | 0.238 | 96 | - | - | 16436 | 16437 |
| 23â„4 | 27â„8 | 51â„4 | 0.259 | 110 | - | - | 16670 | 16671 |
| 3 | 31â„8 | 51â„2 | 0.284 | 130 | - | - | 16438 | 16439 |
|
Dimensions per ASME B18.21.1 |
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