Pan Head Screws, B.N.A.E. Cross Recess. ISO Thread
NF L 22-274 - 1982 十字槽盘头螺钉 符合B.N.A.E. ISO螺纹
See all versions and complete specifications: Pan Head Screws, B.N.A.E. Cross Recess. ISO Thread — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 0.7 | 1.6 | 5.5 | 1 | 7 | 2.8 | 10 | 12 | 2.55 | 0.2~0.4 |
| 4 | 1 | 4.8 | 8 | 1.2 | 10 | 4 | 14 | 18 | 3.7 | 0.5~0.7 |
| 5 | 1.25 | 10.6 | 11 | 1.5 | 13 | 5.5 | 16 | 20 | 5.1 | 0.5~0.7 |
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