Type I Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F2]
ASME B 18.6.4 - 1998 (R2005) I型十字槽大扁头自攻螺钉 C型(统一螺纹) [Table F2]
See all versions and complete specifications: Type I Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F2] — 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 | 0.042 | 0.059 | 0.051 | 0.104 | 0.226 | 0.211 | 0.018 | 1 | 0.061 | 0.058 |
| 3# | 0.1250 | 0.060 | 0.078 | 0.066 | 0.122 | 0.289 | 0.272 | 0.019 | 1 | 0.078 | 0.076 |
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| 4# | 0.1640 | 0.063 | 0.088 | 0.088 | 0.166 | 0.384 | 0.364 | 0.029 | 2 | 0.102 | 0.086 |
| 5# | 0.2160 | 0.086 | 0.111 | 0.118 | 0.242 | 0.511 | 0.487 | 0.032 | 3 | 0.134 | 0.116 |
| 6# | 0.3125 | 0.148 | 0.173 | 0.162 | 0.346 | 0.698 | 0.666 | 0.059 | 4 | 0.183 | 0.180 |
| 8# | 0.3750 | 0.182 | 0.206 | 0.191 | 0.376 | 0.823 | 0.787 | 0.063 | 4 | 0.215 | 0.214 |
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