Cross Recessed Cheese Head Tapping Screws - Threaded Portion are of Class 1 to 4
JIS B 1122 (JA7) - 2015 十字槽矮圆柱头自攻钉 - 螺纹型式：Class 1~Class 4
See all versions and complete specifications: Cross Recessed Cheese Head Tapping Screws - Threaded Portion are of Class 1 to 4 — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 5.3 | 1 | 0.1 | 0.6 | 0.4 | 4.9 | 1 | 1.65 | 1.35 | 0.5 | 1.5 |
| 3 | 9.3 | 2 | 0.2 | 1.05 | 0.75 | 8.7 | 1.9 | 3 | 2.6 | 0.9 | 2.8 |
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| 2.5 |
| 7.3 |
| 2 |
| 0.1 |
| 0.85 |
| 0.55 |
| 6.8 |
| 1.5 |
| 2.4 |
| 2 |
| 0.7 |
| 2.2 |
| 3.5 | 12.4 | 3 | 0.25 | 1.45 | 1.15 | 11.7 | 2.4 | 3.9 | 3.5 | 1.3 | 3.7 |
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