Type I Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 25]
ASME B 18.6.4 - 1998 (R2005) I型十字槽半沉头清根自攻螺钉 B,BP型 [Table 25]
See all versions and complete specifications: Type I Cross Recessed Undercut Oval Countersunk Head Tapping Screws - Type B and BP Thread Forming [Table 25] — 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 | 0.015 | 0.039 | 0.031 | 0.025 | 5/32 | 0.137 | 0.042 | 0.070 | 0.120 | 0.056 |
| 1# | 0.0990 | 0.019 | 0.072 | 0.042 | 0.033 | 7/32 | 0.187 |
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| 0.059 |
| 0.118 |
| 0.167 |
| 0.075 |
| 2# | 0.1250 | 0.028 | 0.073 | 0.053 | 0.041 | 1/4 | 0.237 | 0.076 | 0.152 | 0.215 | 0.094 |
| 3# | 0.1510 | 0.03 | 0.098 | 0.064 | 0.049 | 3/8 | 0.287 | 0.093 | 0.176 | 0.262 | 0.113 |
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