Parafusos para madeira de cabeça plana e fenda

Esta norma DIN 97 especifica as características dos parafusos para madeira de cabeça escareada e fenda (chata) para diâmetros de rosca entre 1,6 mm e 10 mm.

Desenho dimensional e diagramas técnicos

33_eTcWXO_din-97.jpg

Principais dimensões e parâmetros técnicos

Dimensions in mm - source DIN 97

Publication date: 12/2016 - Supersedes DIN 97: 12/2010

thread size d1 max=nom D nom
k max
t min
t max
n nom
1.6 1.6 3 0.96 0.32 0.45 0.4
2 2 3.8 1.2 0.4 0.6 0.5
2.5
2.5
4.7
1.5
0.5 0.7
0.6
3
3
5.6
1.65
0.6 0.85
0.8
3.5
3.5
6.5
1.93
0.7 1
0.8
4
4
7.5
2.2
0.8 1.1
1
4.5
4.5
8.3
2.35
0.9 1.2
1
5
5
9.2
2.5
1 1.3
1.2
5.5
5.5
10.2
2.75
1.1 1.4
1.2
6
6 11
3
1.2 1.6
1.6
7 7 12.5 3.5 1.4 1.9 2
8
8
14.5
4
1.6 2.1
2
10 10 18 5 2 2.6 2.5

Dimensions in mm - source DIN 97

Publication date: 12/2010 - Supersedes DIN 97: 12/1986

thread size d1 max=nom D nom
k max
t min
t max
n nom
1.6 1.6 3 0.96 0.32 0.45 0.4
2 2 3.8 1.2 0.4 0.6 0.5
2.5
2.5
4.7
1.5
0.5 0.7
0.6
3
3
5.6
1.65
0.6 0.85
0.8
3.5
3.5
6.5
1.93
0.7 1
0.8
4
4
7.5
2.2
0.8 1.1
1
4.5
4.5
8.3
2.35
0.9 1.2
1
5
5
9.2
2.5
1 1.3
1.2
5.5
5.5
10.2
2.75
1.1 1.4
1.2
6
6 11
3
1.2 1.6
1.6
7 7 12.5 3.5 1.4 1.9 2
8
8
14.5
4
1.6 2.1
2
10 10 18 5 2 2.6 2.5

DIN 97: 12/1986 Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm3) - X commercial sizes

thread size
1.6
2
2.5
3
3,5
4
4.5
5
5.5
6
7
8
10
nominal length l
8 X 0.216 0.312
10 X 0.259 0.372 0.604 0.789
12 X 0.302 0.432 0.696 0.914 1.18
14 X 0.344 0.492 0.789 1.042 1.335
16 X 0.387 0.552 0.881 1.17 1.49 1.85 2.31
18 0.436 0.612 0.971 1.889 1.64 2.04 2.55
20 0.484 0.672 1.06 1.43 1.79 2.22 2.78 X 4.12
25 0.822 1.30 1.73 2.17 2.71 3.37 X 4.96
30 0.972 1.54 2.04 2.55 3.19 4 X 5.80
35 1.77 2.35 2.94 3.68 4.55 X 6.63
40 2.01 2.66 3.32 4.17 5.14 X 7.46 X 13.4 X
45 2.96 3.66 4.65 5.73 X 8.29 X 15 X
50 3.29 4.05 5.14 6.32 X 9.12 X 16.5 X
60 3.91 4.81 6.11 7.54 X 10.8 X 19.6 X
70 8.72 X 12.5 X 22.7 X
80 9.9 X 14.3 X 25.7 X