Hex Head Flange Tapping Screws [Table 21]
ASME/ANSI B 18.6.5M (T21) - 2000 (R2010) 米制六角头法兰面自攻钉 [Table 21]
See all versions and complete specifications: Hex Head Flange Tapping Screws [Table 21] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST2.2 | 1 | AB,B,BF,BT | 17 | 6.4 | 5.9 | 4 | 3.84 | 0.4 | 0.1 | 4.27 | 3.2 |
| ST2.9 | 1.4 | AB,B,BF,BT | 25 | 8.5 | 7.8 | 5.5 | 5.32 | 0.6 | 0.2 | 5.92 | 4.3 |
| ST3.5 | 1.8 | AB,B,BF,BT | 33 | 11.2 | 10.3 | 7 | 6.78 | 0.8 | 0.2 | 7.55 | 6 |
| ST4.2 | 2.1 | AB,B,BF,BT | 38 | 16.8 | 15.5 |
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| 10 |
| 9.78 |
| 1.2 |
| 0.4 |
| 10.89 |
| 8.6 |
| ST4.8 | 2.1 | AB,B,BF,BT | 38 | 21 | 19.3 | 13 | 12.72 | 1.4 | 0.4 | 14.16 | 10.7 |
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