一字盘头自攻钉
DIN7971
直径范围 ST2.2-ST6.3 长度范围 4.5mm-100mm
| 标准 | DIN德标 |
|---|---|
| 头形 | 盘头 |
| 槽型 | 一字槽 |
| 螺纹 | 全螺纹 |
| (mm) | ST2.2 | ST2.9 | ST3.5 | ST3.9 | ST4.2 | ST4.8 | ST5.5 | ST6.3 |
|---|---|---|---|---|---|---|---|---|
| P | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| a(max) | 0.8 | 1.1 | 1.3 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 |
| dk(max) | 4.2 | 5.6 | 6.9 | 7.5 | 8.2 | 9.5 | 10.8 | 12.5 |
| dk(min) | 3.9 | 5.3 | 6.9 | 7.14 | 7.84 | 9.14 | 10.37 | 12.07 |
| k(max) | 1.35 | 1.75 | 2.1 | 2.25 | 2.45 | 2.8 | 3.2 | 3.65 |
| k(min) | 1.15 | 1.5 | 1.85 | 2 | 2.15 | 2.5 | 2.85 | 3.3 |
| n(min) | 0.66 | 0.86 | 1.06 | 1.06 | 1.26 | 1.26 | 1.66 | 1.66 |
| n(max) | 0.8 | 1 | 1.2 | 1.2 | 1.51 | 1.51 | 1.91 | 1.91 |
| r(max) | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
| t(min) | 0.55 | 0.75 | 0.95 | 1.05 | 1.15 | 1.35 | 1.55 | 1.8 |
| t(max) | 0.8 | 1 | 1.25 | 1.4 | 1.5 | 1.7 | 1.95 | 2.2 |
