Type II Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G3]
ASME B 18.6.4 - 1998 (R2005) II型十字槽盘头自攻螺钉 C型(统一螺纹) [Table G3]
See all versions and complete specifications: Type II Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G3] — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| 2# | 0.0990 | 0.030 | 0.067 | 0.116 | 0.187 | 0.169 | 0.027 | 0.041 | 0.078 | 0.061 |
| 3# | 0.1250 | 0.050 | 0.083 | 0.147 | 0.236 | 0.217 | 0.032 | 0.062 | 0.095 | 0.080 |
| 4# | 0.1640 |
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| 0.080 |
| 0.107 |
| 0.194 |
| 0.309 |
| 0.287 |
| 0.039 |
| 0.093 |
| 0.120 |
| 0.110 |
| 5# | 0.2160 | 0.120 | 0.139 | 0.256 | 0.408 | 0.382 | 0.048 | 0.135 | 0.153 | 0.146 |
| 6# | 0.3125 | 0.194 | 0.198 | 0.372 | 0.590 | 0.557 | 0.065 | 0.212 | 0.216 | 0.214 |
| 8# | 0.3750 | 0.241 | 0.237 | 0.448 | 0.708 | 0.670 | 0.076 | 0.262 | 0.256 | 0.262 |
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