DIN EN ISO 10642 - 2018 Hexagon Socket Countersunk Head Screws


Unit: mm
Thread Size
d
M2 M2.5 M3 M4 M5 M6 M8 M10 M12 (M14) M16 M20
P Pitch
b Ref.
dk theor. max
Actual max
min
ds max
min
e min
k Ref. max
min
s Nominal Size
max
min
t max
min
0.4 0.45 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5
- - 18 20 22 24 28 32 36 42 48 60
4.7 5.88 6.72 8.96 11.20 13.44 17.92 22.40 26.88 30.80 33.60 40.32
4.09 5.08 5.81 7.96 10.07 12.16 16.43 20.69 24.81 28.31 30.61 36.75
3.7 4.8 5.54 7.53 9.43 11.34 15.24 19.22 23.12 26.52 29.01 35.4
2 2.5 3 4 5 6 8 10 12 14 16 20
1.86 2.36 2.86 3.82 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
1.454 1.733 2.303 2.873 3.443 4.583 5.723 6.863 9.149 11.429 11.429 13.716
1.35 1.69 1.86 2.48 3.1 3.72 4.96 6.2 7.44 8.4 8.8 10.16
1.13 1.41 1.52 2.12 2.67 3.22 4.37 5.56 6.71 7.59 7.87 9.04
1.3 1.5 2 2.5 3 4 5 6 8 10 10 12
1.36 1.56 2.080 2.58 3.080 4.095 5.140 6.140 8.175 10.175 10.175 12.212
1.32 1.52 2.020 2.52 3.020 4.020 5.020 6.020 8.025 10.025 10.025 12.032
0.85 1.15 1.25 1.65 2 2.5 3.2 3.9 4.9 5.1 5.4 6.4
0.75 1 1.1 1.4 1.75 2.2 2.9 3.5 4.3 4.5 4.8 5.6
①,emin=1.14smin;
Combined gauging of socket dimensions and , see GB/T 70.5
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