Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 19]
ASME B 18.6.4 - 1998 (R2005) II型十字槽沉头精整自攻螺钉 AB型 [Table 19]
See all versions and complete specifications: Type II Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type AB Thread Forming [Table 19] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4# | 0.1250 | 0.052 | 0.064 | 0.191 | 0.060 | 4 | 0.119 | 0.082 | 0.032 | 0.212 | 0.151 |
| 5# | 0.1380 | 0.064 | 0.077 | 0.215 | 0.068 | 5 | 0.131 | 0.094 | 0.035 | 0.237 | 0.169 |
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| 6# | 0.2160 | 0.099 | 0.113 | 0.285 | 0.069 | 8 | 0.207 | 0.124 | 0.043 | 0.312 | 0.224 |
| 8# | 0.3125 | 0.145 | 0.162 | 0.380 | 0.075 | 12 | 0.302 | 0.172 | 0.054 | 0.412 | 0.297 |
| 10# | 0.3125 | 0.176 | 0.193 | 0.442 | 0.116 | 1/4 | 0.302 | 0.195 | 0.061 | 0.477 | 0.344 |
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