Historia techniki i międzynarodowe odpowiedniki DIN 7971

Ta norma została anulowana
Norma ta została zastąpiona przez DIN EN ISO 1481

Wkrety samogwintujace, leb stozkowy z rowkiem

Rysunek wymiarowy i diagramy techniczne

1756_3743.jpg

Kluczowe wymiary i parametry techniczne

Dimensions in mm - source DIN 7971Withdrawn

Publication date: 08 - 1990

Ø
P
dk max
dk min
k max
k min
t max
t min
n max
n min Y form C Y form F
ST 2.2
  1. 0.8
4.2
3.9
1.35
1.15
0.8
0.55
0.8
0.66 2 1.6
ST 2.9
1.1
5.6
5.3
1.75
1.5
1
0.75
1
0.86 2.6 2.1
ST 3.5
1.3
6.9
6.54
2.1
1.85
1.25
0.95
1.2
1.06 3.2 2.5
ST 3.9
1.3
7.5
7.14
2.25
2
1.4
1.05
1.2
1.06 3.5 2.7
ST 4.2
1.4
8.2
7.84
2.45
2.15
1.5
1.15 1.51 1.26 3.7 2.8
ST 4.8
1.6
9.5
9.14
2.8
2.5
1.7
1.35 1.51 1.26 4.3 3.2
ST 5.5
1.8
10.8
10.37
3.2
2.85
1.95
1.55 1.91 1.66 5 3.6
ST 6.3
1.8
12.5
12.07
3.65
3.3
2.2
1.8 1.91 1.66 6 3.6

DIN 7971 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial lengths

thread size ST 2 ST 2.9 ST 3.5 ST 3.9 ST 4.2 ST 4.8 ST 5.5 ST 6.3
nominal length l
4.5 0.174
6.5 0.214 0.424
9.5 0.274 0.532 0.84 1.07 1.26 1.85
13 0.404 0.658 1.02 1.29 1.5 2.18 3.24 4.32
16 0.766 1.17 1.48 1.71 2.48 3.62 4.86
19 0.874 1.32 1.67 1.92 2.74 4 5.4
22 1.47 1.86 2.13 3.02 4.38 5.94
25 1.62 2.05 2.34 3.3 4.76 6.48
32 2.83 3.96 5.67 7.74
38 4.52 6.45 8.82