Unfinished Square Washers (for Metric Bolts and Nuts)
CNS 155 - 1994 粗制方垫片（用于公制螺栓及螺帽）
See all versions and complete specifications: Unfinished Square Washers (for Metric Bolts and Nuts) — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 9 | 2.6 | 2.3 | 1.6 | 1.8 | 9.6 | 23 | 26 | 24.7 | 21.7 | 1.4 |
| 8 | 14 | 3.6 | 3.2 | 2.3 | 2.6 | 14.7 | 35 | 40 | 38.4 | 33.4 | 2 |
| 10 | 18 | 5 | 4.5 | 3.2 | 3.6 | 18.7 | 45 | 52 | 50.1 | 43.4 | 2.8 |
| 12 | 22 | 6.7 | 6 | 4.5 | 5 | 22.8 |
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| 56 |
| 62 |
| 60.1 |
| 54.1 |
| 4 |
| 16 | 33 | 6.7 | 6 | — | — | 34 | — | 90 | 87.8 | — | — |
| 20 | 42 | 8.7 | 8 | — | — | 43 | — | 115 | 112.8 | — | — |
| (14) | 26 | 6.7 | 6 | 6 | 6.7 | 26.8 | 68 | 72 | 70.1 | 66.1 | 5.3 |
| (18) | 39 | 8.7 | 8 | — | — | 40 | — | 110 | 107.8 | — | — |
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