DIN 7513 Standard Slotted cheese head thread cutting screws (DIN 7513 BE) 的尺寸
自切螺钉 - 六角螺钉和开槽头螺钉
本标准规定了符合 DIN 13-12 规定的 ISO 公制螺纹的热处理六角头和开槽头自切螺钉的尺寸、要求和试验方法，这些螺钉的切削槽从螺钉尖端延伸至螺钉头部，用于在装配过程中切削配合螺纹。有关螺钉头部类型，请参阅各种 DIN 标准；有关一般要求，请参阅 ISO 8992 标准；有关验收要求，请参阅 ISO 3269 标准。本标准旨在确保自切螺钉能够执行上述功能，而不会导致其自身螺纹断裂或变形。为此，本标准规定了螺纹切削能力、表面硬度、抗拉强度和抗扭强度的要求。
尺寸图和技术图
关键尺寸和技术参数
|
Screw types and designations |
|||
| Type | Illustration | Other dimensions as in | Example of designation |
| A |  |
DIN EN 24017 | Screw Din 7513 - A M5x20 St |
| BE |  |
DIN EN ISO 1207 | Screw Din 7513 - BE M5x20 St |
| FE |  |
DIN EN ISO 2009 | Screw Din 7513 - FE M5x20 St |
| GE |  |
DIN EN ISO 2010 | Screw Din 7513 - GE M5x20 St |
|
DIN 7513 range of commercial sizes and core hole diameters - Norm Withdrawn Publication date: 09/1995 Supersedes: 11/1986 |
||||||
| type | BE,FE and GE | A,BE,FE and GE | ||||
| d thread size | M2.5 | M3 | M4 | M5 | M6 | M8 |
| nominal length l | ||||||
| 6 | X | X | ||||
| 8 | X | X | X | |||
| 10 | X | X | X | X | ||
| 12 | X | X | X | X | X | |
| 14 | X | X | X | X | X | X |
| 16 | X | X | X | X | X | X |
| 18 | X | X | X | X | X | X |
| 20 | X | X | X | X | X | X |
| 22 | X | X | X | X | X | |
| 25 | X | X | X | X | ||
| 30 | X | X | X | |||
| 35 | X | X | ||||
| 40 | X | |||||
|
Core hole diameter |
||||||
| dh | 2.2 | 2.7 | 3.6 | 4.5 | 5.5 | 7.4 |