Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 12]
ASME B 18.6.4 - 1998 (R2005) II型十字槽沉头自攻螺钉 AB型 [Table 12]
See all versions and complete specifications: Type II Cross Recessed Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 12] — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| 0# | 0.0730 | 0.043 | 0.092 | 3/16 | 0.137 | 0.024 | 0.120 | 0.048 |
| 1# | 0.0990 | 0.059 | 0.133 | 7/32 | 0.187 | 0.030 | 0.167 | 0.072 |
| 2# | 0.1250 | 0.075 | 0.169 | 1/4 | 0.237 | 0.035 | 0.215 | 0.094 |
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| 3# | 0.1510 | 0.091 | 0.206 | 3/8 | 0.287 | 0.040 | 0.262 | 0.118 |
| 4# | 0.1900 | 0.116 | 0.260 | 1/2 | 0.362 | 0.048 | 0.333 | 0.148 |
| 5# | 0.2500 | 0.153 | 0.344 | 5/8 | 0.477 | 0.061 | 0.442 | 0.195 |
| 6# | 0.3125 | 0.191 | 0.432 | 13/16 | 0.597 | 0.074 | 0.556 | 0.252 |
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