Cross Recess 80° Raised Countersunk Head Tapping Screws [Table 13]
BS 4174 - 1972 米字槽80°半沉头自攻钉 [Table 13]
See all versions and complete specifications: Cross Recess 80° Raised Countersunk Head Tapping Screws [Table 13] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2# | 5.71 | 0.067 | 0.195 | 2.34 | 1.93 | 4.95 | 1.7 | 1 | 0.225 | 0.84 | 3.12 |
| 4# | 8.43 | 0.1 | 0.292 | 3.12 | 2.67 | 7.42 | 2.54 | 2 | 0.332 | 1.22 | 4.65 |
| 6# | 11.13 | 0.132 | 0.389 | 3.94 | 3.48 | 9.88 | 3.35 | 3 | 0.438 | 1.6 | 6.63 |
| 8# | 16.13 | 0.191 | 0.568 | 5.87 | 5.41 |
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| 14.43 |
| 4.85 |
| 4 |
| 0.635 |
| 2.29 |
| 9.47 |
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