垫圈
ISO 7089
ISO 7089 - Plain washers, normal series, product grade A
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平垫圈，标准系列，产品等级 A，无倒角：基本型式，其带倒角型为 ISO 7090，C 级型为 ISO 7091。DIN 125 的现行替代标准，从规格 39 起孔径更大。涵盖规格 1.6 至 64。
| 产品 | 内径, mm | 外径, mm | 厚度, mm |
|---|---|---|---|
| ISO 7089 washer 1.6 | 1.7 | 4 | 0.3 |
| ISO 7089 washer 2 | 2.2 | 5 | 0.3 |
| ISO 7089 washer 2.5 | 2.7 | 6 | 0.5 |
| ISO 7089 washer 3 | 3.2 | 7 | 0.5 |
| ISO 7089 washer 3.5 | 3.7 | 8 | 0.5 |
| ISO 7089 washer 4 | 4.3 | 9 | 0.8 |
| ISO 7089 washer 5 | 5.3 | 10 | 1 |
| ISO 7089 washer 6 | 6.4 | 12 | 1.6 |
| ISO 7089 washer 8 | 8.4 | 16 | 1.6 |
| ISO 7089 washer 10 | 10.5 | 20 | 2 |
| ISO 7089 washer 12 | 13 | 24 | 2.5 |
| ISO 7089 washer 14 | 15 | 28 | 2.5 |
| ISO 7089 washer 16 | 17 | 30 | 3 |
| ISO 7089 washer 18 | 19 | 34 | 3 |
| ISO 7089 washer 20 | 21 | 37 | 3 |
| ISO 7089 washer 22 | 23 | 39 | 3 |
| ISO 7089 washer 24 | 25 | 44 | 4 |
| ISO 7089 washer 27 | 28 | 50 | 4 |
| ISO 7089 washer 30 | 31 | 56 | 4 |
| ISO 7089 washer 33 | 34 | 60 | 5 |
| ISO 7089 washer 36 | 37 | 66 | 5 |
| ISO 7089 washer 39 | 42 | 72 | 6 |
| ISO 7089 washer 42 | 45 | 78 | 8 |
| ISO 7089 washer 45 | 48 | 85 | 8 |
| ISO 7089 washer 48 | 52 | 92 | 8 |
| ISO 7089 washer 52 | 56 | 98 | 8 |
| ISO 7089 washer 56 | 62 | 105 | 10 |
| ISO 7089 washer 60 | 66 | 110 | 10 |
| ISO 7089 washer 64 | 70 | 115 | 10 |