ASTM A453 Grade 660 Washers
Boltport offers ASTM A453 Grade 660 Washers, manufactured to DIN 125, ISO 7089, 7090, ASME B18.22.1, B18.22M, UNI 6592 & 1751 standards, in metric and inch sizes. We offer circular flat or plain washers, produced from A286 sheet/plate stock or machined from Grade 660 bar stock.
Washers Sizes
| Metric Sizes | M6 to M152 |
| Inch Sizes | ΒΌ" to 8" |
Washers Standards
| DIN | ISO | ASME | UNI | |
| Imperial | Metric | |||
| 125 - A | 7089 | B18.22.1 | B18.22.M | 6592 |
| 125 - B | 7090 | -- | -- | 1751 |