Take reference of DIN913/ DIN 916, most be used in various industries. It offers a mainly function of micro adjustment and fasten the object, usually operate with hex allen key.
1. M3-0.5 length: upon request.
2. M4-0.7 length: upon request.
3. M5-0.8 length: upon request.
4. M6-1.0 length: upon request.
5. M8-1.25 length: upon request.
6. M10-1.5 length: upon request.
7. M12-1.75 length: upon request.
8. Rest dimension. follow German standard DIN912.