Slotted Cheese Head Screws with B.S.W. & B.S.F. Threads [Table 6]
BS 450 - 1958 英制开槽圆柱头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 6]
See all versions and complete specifications: Slotted Cheese Head Screws with B.S.W. & B.S.F. Threads [Table 6] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.5000 | 0.031 | 0.157 | 0.720 | 0.350 | 12 | 16 | 0.104 | 0.092 | 0.750 | 0.333 |
| 1/8 | 0.1875 | 0.015 | 0.059 | 0.270 | 0.131 | 24 | (32) | 0.050 | 0.042 | 0.281 | 0.124 |
| 3/8 | 0.7500 | 0.031 | 0.236 | 1.080 | 0.525 | 10 | 12 | 0.142 | 0.134 | 1.125 | 0.500 |
| 3/16 | 0.2500 | 0.031 | 0.079 | 0.360 |
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| 0.175 |
| 20 |
| 26 |
| 0.061 |
| 0.051 |
| 0.375 |
| 0.165 |
| 5/16 | 0.6250 | 0.031 | 0.197 | 0.900 | 0.437 | 11 | 14 | 0.126 | 0.113 | 0.938 | 0.417 |
| 7/32 | 0.3750 | 0.031 | 0.118 | 0.540 | 0.262 | 16 | 20 | 0.082 | 0.072 | 0.562 | 0.249 |
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