Type IA Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 29]
ASME B 18.6.4 - 1998 (R2005) IA型米字槽半沉头精整自攻螺钉 B,BP型 [Table 29]
See all versions and complete specifications: Type IA Cross Recessed Oval Countersunk Trim Head Tapping Screws - Type B and BP Thread Forming [Table 29] — 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 | 0.089 | 0.130 | 0.191 | 0.066 | 4 | 0.119 | 0.099 | 0.130 | 0.212 | 0.037 |
| 5# | 0.1380 | 0.080 | 0.162 | 0.215 | 0.075 | 5 | 0.131 | 0.112 |
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| 0.152 |
| 0.237 |
| 0.041 |
| 6# | 0.2160 | 0.115 | 0.200 | 0.285 | 0.078 | 8 | 0.207 | 0.125 | 0.186 | 0.312 | 0.076 |
| 8# | 0.3125 | 0.148 | 0.264 | 0.380 | 0.087 | 12 | 0.302 | 0.150 | 0.264 | 0.412 | 0.068 |
| 10# | 0.3750 | 0.232 | 0.384 | 0.556 | 0.173 | 5/16 | 0.364 | 0.265 | 0.384 | 0.597 | 0.099 |
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