Type IA Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F3]
ASME B 18.6.4 - 1998 (R2005) IA型米字槽大扁头自攻螺钉 B,BP型 [Table F3]
See all versions and complete specifications: Type IA Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F3] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.022 | 0.038 | 0.037 | 0.064 | 0.164 | 0.149 | 0.018 | 0 | 0.045 | 0.037 |
| 1# | 0.0990 | 0.040 | 0.056 | 0.051 | 0.098 | 0.226 | 0.211 | 0.029 | 1 | 0.061 | 0.058 |
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| 2# | 0.1250 | 0.059 | 0.075 | 0.066 | 0.118 | 0.289 | 0.272 | 0.030 | 1 | 0.078 | 0.077 |
| 3# | 0.1510 | 0.054 | 0.072 | 0.081 | 0.148 | 0.352 | 0.333 | 0.041 | 2 | 0.094 | 0.078 |
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