Hexagon Socket Cheese Head Screws - Unified Thread
BS 2470 - 1973 统一螺纹内六角圆柱端紧定螺钉 Table 6A
See all versions and complete specifications: Hexagon Socket Cheese Head Screws - Unified Thread — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 0# | 0.035 | 0.021 | 0.017 | 0.028 | 0.049 | 0.045 |
| 1# | 0.050 | 0.027 | 0.023 | 0.040 | 0.066 | 0.062 |
| 2# | 1/16 | 0.033 | 0.027 | 0.050 | 0.083 | 0.078 |
| 3# | 5/64 | 0.043 | 0.037 | 0.062 | 0.109 | 0.103 |
| 4# | 3/32 | 0.049 | 0.041 | 0.075 | 0.127 | 0.120 |
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