Square Recessed Undercut Oval Countersunk Head Tapping Screws - Type AB and ABR
ASME B 18.6.3 (T12-III+T40) - 2013 四方槽82°半沉头清根 AB ABR自攻螺钉
See all versions and complete specifications: Square Recessed Undercut Oval Countersunk Head Tapping Screws - Type AB and ABR — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2# | 0.0990 | 82° | 0.033 | 0.038 | 0.028 | 28 | 0 | 0.167 | 0.042 | 0.070 | 0.187 |
| 3# | 0.1250 | 82° | 0.041 | 0.065 | 0.050 | 20 | 1R | 0.215 | 0.053 | 0.091 | 0.237 |
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| 4# | 0.1510 | 82° | 0.049 | 0.065 | 0.050 | 19 | 1R | 0.262 | 0.064 | 0.091 | 0.287 |
| 5# | 0.1900 | 82° | 0.060 | 0.075 | 0.060 | 16 | 2R | 0.333 | 0.081 | 0.112 | 0.362 |
| 6# | 0.2500 | 82° | 0.079 | 0.095 | 0.080 | 14 | 3R | 0.442 | 0.107 | 0.133 | 0.477 |
| 7# | 0.3750 | 82° | 0.117 | 0.100 | 0.085 | 12 | 4R | 0.670 | 0.161 | 0.191 | 0.717 |
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