产品等级为A级、Z型的沉头螺钉。

尺寸图和技术图

1171_drSEeS_966.jpg

关键尺寸和技术参数

Dimensions in mm- source NFE E25-120Withdrawn

Publication date: 8 - 1984

d thread size
P
k nom/max
dk nom. max.
recess No.
t ~
M 1.6
0.35
1
3.0
0
0.4
M 2
0.4
1.2
3.8

0

0.5
M 2.5
0.45
1.5
4.7
1
0.6
M 3
0.5
1.65
5.5
1
0.75
M 3.5
0.6
2.35
7.3
2
0.8
M 4
0.7
2.7
8.4
2
1
M 5
0.8
2.7
9.3
2
1.2
M 6
1
3.3
11.30
3
1.4
M 8
1.25
4.65
15.37
4
2
M 10
1.5
5
17.78
4
2.3

NFE E25-120 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items

d thread size M 1.6 M 2 M 2.5 M 3 M 3.5 M 4 M 5 M 6 M 8 M 10
nominal length l
3 0.067 0.119 0.212
4 0.078 0.138 0.242 0.351
5 0.09 0.156 0.272 0.395 0.669 0.99
6 0.102 0.175 0.302 0.439 0.729 1.07 1.49
8 0.125 0.212 0.362 0.527 0.849 1.23 1.73 2.79
10 0.145 0.249 0.422 0.615 0.969 1.39 1.97 3.14 6.89
12 0.165 0.287 0.482 0.70.3 1.09 1.54 2.21 3.49 7.53 11.4
14 0.185 0.325 0.543 0.791 1.21 1.7 2.45 3.84 8.17 12.5
16 0.205 0.362 0.603 0.879 1.33 1.85 2.69 4.19 8.81 13.5
20 0.436 0.723 1.06 1.57 2.17 3.17 4.89 10.1 15.5
25 0.874 1.28 1.87 2.56 3.77 5.77 11.7 18
30 1.5 2.17 2.95 4.37 6.64 13.3 20.6
35 2.47 3.34 4.97 7.52 14.9 23.1
40 3.73 5.57 8.39 16.5 25.6
45 6.16 9.27 18.1 28.1
50 6.76 10.1 19.7 30.7
55 11 21.3 33.2
60 11.9 22.9 35.7