- ZHUHAI JIALI HARDWARE CO.,LTD.
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DIN480 square head bolt with collar and half dog point
DIN 480 
*All measurements in millimeters (mm)*
| d | z3 | d2 | e=d1 | s | k |
| M10 | 2.5 | 7 | 13 | 10 | 13 |
| M12 | 3 | 8.5 | 17 | 13 | 16 |
| M16 | 4 | 12 | 22 | 16 | 20 |
| M20 | 5 | 15 | 28 | 21 | 25 |
All information is strictly informative