DIN 558

Hexagon head screws

tech-din558






Screw Thread M5 M6 M8 M10
P Pitch 0.8 1 1.25 1.5
a max 3.2 4 5 6
c max 0.5 0.5 0.6 0.6
da max 6 7.2 10.2 12.2
dw min 6.7 8.7 11.4 15.4
e min 8.63 10.89 14.2 18.72
k Nominal Size 3.5 4 5.3 6.4
min 3.12 3.62 4.92 5.95
max 3.88 4.38 5.68 6.85
k1 min 2.2 2.5 3.45 4.2
r min 0.2 0.25 0.4 0.4
s max=nominal size 8 10 13 17
min 7.64 9.64 12.57 16.57

Screw Thread M12 M16 M20
P Pitch 1.75 2 2.5
a max 7 8 10
c max 0.6 0.8 0.8
da max 14.7 18.7 24.4
dw min 17.2 22 27.7
e min 20.88 26.17 32.95
k Nominal Size 7.5 10 12.5
min 7.05 9.25 11.6
max 7.95 10.75 13.4
k1 min 4.95 6.5 8.1
r min 0.6 0.6 0.8
s max=nominal size 19 24 30
min 18.48 23.16 29.16

Screw Thread M24 M30 M36
P Pitch 3 3.5 4
a max 12 14 16
c max 0.8 0.8 0.8
da max 28.4 35.4 42.4
dw min 33.2 42.7 51.1
e min 39.55 50.85 60.79
k Nominal Size 15 18.7 22.5
min 14.1 17.65 21.45
max 15.9 19.75 23.55
k1 min 9.9 12.4 15
r min 0.8 1 1
s max=nominal size 36 46 55
min 35 45 53.8



All information is strictly informative