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