Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17]
ASME B 18.6.4 - 1998 (R2005) I型十字槽沉头精整自攻螺钉,C型(统一螺纹) [Table 17]
See all versions and complete specifications: Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4# | 0.1250 | 0.082 | 1 | 0.191 | 0.060 | 4 | 0.119 | 0.081 | 0.018 | 0.212 | 0.122 |
| 5# | 0.1380 | 0.075 | 2 | 0.215 | 0.068 | 5 | 0.131 | 0.074 | 0.027 | 0.237 | 0.148 |
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| 6# | 0.2160 | 0.120 | 2 | 0.285 | 0.069 | 8 | 0.207 | 0.120 | 0.032 | 0.312 | 0.192 |
| 8# | 0.3125 | 0.139 | 3 | 0.380 | 0.075 | 12 | 0.302 | 0.144 | 0.035 | 0.412 | 0.262 |
| 10# | 0.3750 | 0.196 | 4 | 0.556 | 0.155 | 5/16 | 0.364 | 0.205 | 0.061 | 0.597 | 0.358 |
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