Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3]
BS 450 - 1958 英制开槽半沉头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 3]
See all versions and complete specifications: Slotted 90° Raised-Countersunk Head Screws with B.S.W. & B.S.F. Threads [Table 3] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 0.1875 | 0.071 | 0.042 | 0.328 | 0.307 | 24 | 32 | 0.040 | 0.050 | 0.356 | 0.084 |
| 3/16 | 0.2500 | 0.095 | 0.051 | 0.438 | 0.412 | 20 | 26 | 0.051 | 0.061 | 0.475 | 0.113 |
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| 7/32 | 0.3750 | 0.144 | 0.072 | 0.656 | 0.624 | 16 | 20 | 0.080 | 0.082 | 0.712 | 0.169 |
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