din 7980
*all measurements in millimeters (mm)*
| d | used for | s | b min | d1 |
| 3.1 | m3 | 1 | 2 | 5.6 |
| 4.1 | m4 | 1.2 | 2.4 | 7 |
| 5.1 | m5 | 1.6 | 3.2 | 8.8 |
| 6.1 | m6 | 1.6 | 3.2 | 9.9 |
| 8.1 | m8 | 2 | 4 | 12.7 |
| 10.2 | m10 | 2.5 | 5 | 16 |
| 12.2 | m12 | 2.5 | 5 | 18 |
| 14.2 | m14 | 3 | 6 | 21.1 |
| 16.2 | m16 | 3.5 | 7 | 24.4 |
| 18.2 | m18 | 3.5 | 7 | 26.4 |
| 20.2 | m20 | 4.5 | 9 | 30.6 |
| 22.5 | m22 | 4.5 | 9 | 32.9 |
| 24.5 | m24 | 5 | 10 | 35.9 |
| 27 | m26 | 5 | 10 | 38.9 |
| 30 | m29 | 6 | 12 | 44.1 |
| 33 | m32 | 6 | 12 | 47.1 |
| 36 | m35 | 7 | 14 | 52.2 |
all information is strictly informative
contact: lizhong.deng
phone: 13928071304
tel: 0756-8586520
email: lizhong@zhjiali.com
add: mingzhubeilu388haochangshaxinyun56-301,xiangzhou area,zhuhai city,guangdong province,china.