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DIN316 wing screw butterfly screw
DIN316 wing screw butterfly screw
DIN 316 
*All measurements in millimeters (mm)*
| d | a | h | e | d1 |
| M4 | 2.1 | 8.5 | 18 | 6 |
| M5 | 2.4 | 11 | 24 | 8 |
| M6 | 3 | 15 | 30 | 10 |
| M8 | 4 | 18 | 36 | 13 |
| M10 | 4.5 | 23 | 48 | 17 |
| M12 | 5.3 | 31 | 62 | 20 |
| M16 | 6 | 35 | 70 | 26 |
All information is strictly informative