DIN 7504 Standard Self-drilling screws, hexagon washer head with tapping thread 的尺寸
此项规范已取消
自攻螺纹自钻螺钉
本国际标准规定了符合 ISO 1478 标准的热处理自攻螺纹螺钉的性能，这些螺钉设计有钻尖，可在装配过程中自动钻出螺钉的芯孔
尺寸图和技术图
关键尺寸和技术参数
|
Dimensions in mm - source DIN 7504 type K Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| Ø thread size | P | h min | k max | k min | dc min | dc max | s min | s max | dp max |
| ST 2.9 | 1.1 | 0.4 | 2.8 | 2.5 | 5.8 | 6.3 | 3.82 | 4 | 2.3 |
| ST 3.5 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 2.8 |
| ST 3.9 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 3.1 |
| ST 4.2 | 1.4 | 0.8 | 4.1 |
3.6 |
8.1 | 8.8 | 6.78 | 7 | 3.6 |
| ST 4.8 | 1.6 | 0.9 | 4.3 | 3.8 | 9.8 | 10.5 | 7.78 | 8 | 4.1 |
| ST 5.5 | 1.8 | 1 | 5.4 | 4.8 | 10 | 11 | 7.78 | 8 | 4.8 |
| ST 6.3 | 1.8 | 1 | 5.9 | 5.3 | 12.2 | 13.5 | 9.78 | 10 | 5.8 |
|
Dimensions in mm - source DIN 7504 type L Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
||||||||||||
| Ø thread size | P | h min | k max | k min | dc min | dc max | s min | s max | n min | n max | t min | dp max |
| ST 2.9 | 1.1 | 0.4 | 2.8 | 2.5 | 5.8 | 6.3 | 3.82 | 4 | 0.86 | 1 | 0.35 | 2.3 |
| ST 3.5 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 1.06 | 1.2 | 0.43 | 2.8 |
| ST 3.9 | 1.3 | 0.6 | 3.4 | 3 | 7.6 | 8.3 | 5.32 | 5.50 | 1.06 | 1.2 | 0.43 | 3.1 |
| ST 4.2 | 1.4 | 0.8 | 4.1 |
3.6 |
8.1 | 8.8 | 6.78 | 7 | 1.26 | 1.51 | 0.51 | 3.6 |
| ST 4.8 | 1.6 | 0.9 | 4.3 | 3.8 | 9.8 | 10.5 | 7.78 | 8 | 1.26 | 1.51 | 0.51 | 4.1 |
| ST 5.5 | 1.8 | 1 | 5.4 | 4.8 | 10 | 11 | 7.78 | 8 | 1.66 | 1.91 | 0.66 | 4.8 |
| ST 6.3 | 1.8 | 1 | 5.9 | 5.3 | 12.2 | 13.5 | 9.78 | 10 | 1.66 | 1.91 | 0.66 | 5.8 |
|
Dimensions in mm - source DIN 7504 type N Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| Ø thread size | P | k max | k min | dk min | dk max | dp max | |||
| ST 2.2 | 0.8 | 1.6 | 1.4 | 3.7 | 4 | 2.3 | |||
| ST 2.9 | 1.1 | 2.4 | 2.15 | 5.3 | 5.6 | 2.8 | |||
| ST 3.5 | 1.3 | 2.6 | 2.35 | 6.64 | 7 | 3.1 | |||
| ST 4.2 | 1.4 | 3.1 | 2.8 | 7.64 | 8 | 3.6 | |||
| ST 4.8 | 1.6 | 3.7 | 3.4 | 9.14 | 9.5 | 4.1 | |||
| ST 5.5 | 1.8 | 4 | 3.7 | 10.57 | 11 | 4.8 | |||
| ST 6.3 | 1.8 | 4.6 | 4.3 | 11.57 | 12 | 5.8 | |||
|
Dimensions in mm - source DIN 7504 type P Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| Ø thread size | P | k max | dk min | dk max | dp max | ||||
| ST 2.2 | 0.8 | 1.1 | 3.5 | 3.8 | 2.3 | ||||
| ST 2.9 | 1.1 | 1.7 | 5.2 | 5.5 | 2.8 | ||||
| ST 3.5 | 1.3 | 2.35 | 6.9 | 7.3 | 3.1 | ||||
| ST 4.2 | 1.4 | 2.6 | 8 | 8.4 | 3.6 | ||||
| ST 4.8 | 1.6 | 2.8 | 8.9 | 9.3 | 4.1 | ||||
| ST 5.5 | 1.8 | 3 | 9.9 | 10.3 | 4.8 | ||||
| ST 6.3 | 1.8 | 3.15 | 10.9 | 11.3 | 5.8 | ||||
|
Dimensions in mm - source DIN 7504 type R Publication date: 09/1995 Supersedes DIN 7504: 02/1992 |
|||||||||
| Ø thread size | P | k max | dk min | dk max | dp max | ||||
| ST 2.2 | 0.8 | 1.1 | 3.5 | 3.8 | 2.3 | ||||
| ST 2.9 | 1.1 | 1.7 | 5.2 | 5.5 | 2.8 | ||||
| ST 3.5 | 1.3 | 2.35 | 6.9 | 7.3 | 3.1 | ||||
| ST 4.2 | 1.4 | 2.6 | 8 | 8.4 | 3.6 | ||||
| ST 4.8 | 1.6 | 2.8 | 8.9 | 9.3 | 4.1 | ||||
| ST 5.5 | 1.8 | 3 | 9.9 | 10.3 | 4.8 | ||||
| ST 6.3 | 1.8 | 3.15 | 10.9 | 11.3 | 5.8 | ||||
|
Drilling depth and grip length |
|||||||
| Thread size | ST2,9 | ST3,5 | ST3,9 | ST4,2 | ST4,8 | ST5,5 | ST6.3 |
| drilling depth (sheet,plate,thickness), from-to: | 0.7-1.9 | 0.7-2.25 | 0.7-2.4 | 1.75-3 | 1.75-4.4 | 1.75-5.25 |
2-6 |
| Nominal size | Minimum grip length, lg | ||||||
| 9.5 | 3.25 | 2.85 | |||||
| 13 | 6.6 | 6.2 | 5.8 | 4.3 | 3.7 | ||
| 16 | 9.6 | 9.2 | 8.8 | 7.3 | 5.8 | 5 | |
| 19 | 12.5 | 12.1 | 11.7 | 10.3 | 8.7 | 8 | 7 |
| 22 | 15.1 | 14.7 | 13.3 | 11.7 | 11 | 10 | |
| 25 | 18.1 | 17.7 | 16.3 | 14.7 | 14 | 13 | |
| 32 | 24.5 | 23 | 21.5 | 21 | 20 | ||
| 38 | 30.5 | 29 | 27.5 | 27 | 26 | ||
| 45 | 34.5 | 34 | 33 | ||||
| 50 | 39.5 | 39 | 38 | ||||