DIN 404

Slotted capstan screws

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Thread Size
d		 M2 M2.5 M3 M4
P Pitch 0.4 0.45 0.5 0.7
b +2P，0 16 18 19 22
d1 min=nominal size 1.2 1.2 1.5 2
max 1.34 1.34 1.64 2.14
dk max=nominal size 3.8 4.5 5.5 7
min 3.68 4.38 5.38 6.85
ds max=nominal size 2 2.5 3 4
min 1.86 2.36 2.86 3.82
k Nominal Size 3 3.5 4 5
max 3.3 3.88 4.38 5.38
min 2.7 3.12 3.62 4.62
n Nominal Size 0.5 0.6 0.8 1
max 0.7 0.8 1 1.2
min 0.56 0.66 0.86 1.06
t min 0.7 0.8 1 1.4
max 0.9 1 1.25 1.7

Thread Size
d		 M5 M6 M8 M10
P Pitch 0.8 1 1.25 1.5
b +2P，0 25 28 34 40
d1 min=nominal size 2.5 3 4 5
max 2.64 3.14 4.18 5.18
dk max=nominal size 8.5 10 13 16
min 8.35 9.85 12.82 15.82
ds max=nominal size 5 6 8 10
min 4.82 5.82 7.78 9.78
k Nominal Size 6.5 8 10 12.5
max 6.95 8.45 10.45 13.05
min 6.05 7.55 9.55 11.95
n Nominal Size 1.2 1.6 2 2.5
max 1.51 1.91 2.31 2.81
min 1.26 1.66 2.06 2.56
t min 1.7 2.2 2.7 3.5
max 2 2.6 3.2 4.1



All information is strictly informative