DIN 7989

Flat washers for steel construction

tech-din7989




For thread diameter M10 M12 M16 M20
d max 11.7 14.2 18.2 22.84
min 11 13.5 17.5 22
dc max 20 24 30 37
min 18.7 22.7 28.7 35.4
h Nominal Size 8 8 8 8
max 9.2 9.2 9.2 9.2
min 6.8 6.8 6.8 6.8
per 1000 units ≈ kg 13.8 19.4 29.3 43.7

For thread diameter M22 M24 M27 M30
d max 24.84 26.84 30.84 34
min 24 26 30 33
dc max 39 44 50 56
min 37.4 42.4 48.4 54.1
h Nominal Size 8 8 8 8
max 9.2 9.2 9.2 9.2
min 6.8 6.8 6.8 6.8
per 1000 units ≈ kg 46.2 62.1 78.9 101



All information is strictly informative