SPRING PINS
HARDENED STEEL 
DIN 1431
All Dimensions in Millimeters
Pin Dia.
 Nominal
Wall
Thickness
Recommended Hole Size Shear Strength
Min. Max. kn Single kn Double
M2 0.4 2.0 2.1 1.41 2.82
M2.5 0.5 2.5 2.6 2.19 4.38
M3 0.6 3 3.1 3.16 6.32
M3.5 0.75 3.5 3.65 4.53 9.06
M4 0.8 4 4.15 5.62 11.24
M5 1 5 5.15 8.77 17.54
M6 1.25 6 6.15 13.02 26.04
M8 1.5 8 8.25 21.38 42.76
M10 2 10 10.25 35.08 70.16
M12 2.5 12 12.3 52.07 104.10