Punched Washers, Type B, For Round and Cheese Head Screws
IS 2016 (Table 3) - 1967 圆头和圆柱头螺钉用 B型平垫
See all versions and complete specifications: Punched Washers, Type B, For Round and Cheese Head Screws — Full Specification Page
| Size | P | s_max | s_min |
|---|---|---|---|
| 1.8 | 3.5 | 0.4 | M1.8 |
| 2.4 | 6 | 0.5 | M3 |
| 2.9 | 9.5 | 1 | M5 |
| (2.1) | 4.5 | 0.5 | M2.2 |
| (2.6) | 8 | 0.8 | M4 |
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