Type IA Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 33]
ASME B 18.6.4 - 1998 (R2005) IA型米字槽盘头自攻螺钉 AB型 [Table 33]
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| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.040 | 0 | 0.044 | 0.005 | 0.142 | 0.130 | 0.039 | 0.018 | 0.053 | 0.068 |
| 1# | 0.0990 | 0.062 | 1 | 0.062 | 0.010 | 0.193 | 0.180 | 0.065 | 0.029 | 0.071 | 0.106 |
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| 2# | 0.1250 | 0.068 | 2 | 0.079 | 0.015 | 0.245 | 0.231 | 0.075 | 0.040 | 0.089 | 0.148 |
| 3# | 0.1510 | 0.085 | 2 | 0.096 | 0.015 | 0.296 | 0.281 | 0.092 | 0.041 | 0.106 | 0.164 |
| 4# | 0.1900 | 0.108 | 2 | 0.122 | 0.020 | 0.373 | 0.357 | 0.115 | 0.041 | 0.133 | 0.186 |
| 5# | 0.2500 | 0.137 | 3 | 0.162 | 0.035 | 0.492 | 0.473 | 0.150 | 0.057 | 0.175 | 0.266 |
| 6# | 0.3125 | 0.164 | 4 | 0.203 | 0.040 | 0.615 | 0.594 | 0.182 | 0.086 | 0.218 | 0.334 |
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