Slotted Countersunk Head Screws with Waisted Shank
GB 948 - 1988 开槽沉头不脱出螺钉
See all versions and complete specifications: Slotted Countersunk Head Screws with Waisted Shank — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M3 | 0.7 | 2.80 | 1 | 2.7 | 1.2 | 9.4 | 8.4 | 1.26 | 1.3 | 8.0 | 1.51 |
| M4 | 1 | 4.50 | 1.2 | 3.3 | 1.6 | 12.6 | 11.3 | 1.66 | 1.6 | 10.9 | 1.91 |
| M5 | 1.5 | 7.00 | 2 | 5 | 2.5 | 20 | 18.3 | 2.56 | 2.6 | 17.8 | 2.81 |
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