DIN 986

Hexagon domed cap nuts with nonmetallic insert

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Thread Size
d		 M4 M5 M6
P Pitch Pitch（Coarse thread） 0.7 0.8 1
Fine thread 1 / / /
Fine thread 2 / / /
da min 4 5 6
max 4.6 5.75 6.75
dw min 5.9 6.9 8.9
e min 7.66 8.79 11.05
h1 Nominal Size 5.6 6 7.5
max 5.85 6.25 7.85
min 5.35 5.75 7.15
h2 Nominal Size 9.6 10.5 12
max 9.9 10.85 12.35
min 9.3 10.15 11.65
m min 2.9 4.4 4.9
mw min 2.32 3.52 3.92
r max=nominal size 2.5 3 3.5
max 2.7 3.5 4
min 2.3 2.5 3
s max=nominal size 7 8 10
min 6.78 7.78 9.78
per 1000 units ≈ kg 1.4 1.55 3.3

Thread Size
d		 M8 M10 M12
P Pitch Pitch（Coarse thread） 1.25 1.5 1.75
Fine thread 1 1 1 1.5
Fine thread 2 / 1.25 1.25
da min 8 10 12
max 8.75 10.8 13
dw min 11.6 14.6 16.6
e min 14.38 17.77 20.03
h1 Nominal Size 8.9 10.5 13.5
max 9.25 10.9 13.9
min 8.55 10.1 13.1
h2 Nominal Size 14 18.1 22.5
max 14.35 18.5 22.9
min 13.65 17.7 22.1
m min 6.44 8.04 10.37
mw min 5.15 6.43 8.3
r max=nominal size 4.6 5.8 6.8
max 5.1 6.3 7.8
min 4.1 5.3 5.8
s max=nominal size 13 16 18
min 12.73 15.73 17.73
per 1000 units ≈ kg 5.3 10.1 18.3

Thread Size
d		 M14 M16 M20
P Pitch Pitch（Coarse thread） 2 2 2.5
Fine thread 1 1.5 1.5 2
Fine thread 2 / / 1.5
da min 14 16 20
max 15.1 17.3 21.6
dw min 19.6 22.5 27.7
e min 23.35 26.75 32.95
h1 Nominal Size 15.5 16.5 21
max 15.9 16.9 21.5
min 15.1 16.1 20.5
h2 Nominal Size 26.4 27.5 35
max 26.8 27.9 35.5
min 26 27.1 34.5
m min 12.1 14.1 16.9
mw min 9.68 11.28 13.52
r max=nominal size 7.8 8.8 10.8
max 8.8 9.8 11.8
min 6.8 7.8 9.8
s max=nominal size 21 24 30
min 20.67 23.67 29.16
per 1000 units ≈ kg 26.1 37.1 111



All information is strictly informative