Historia techniki i międzynarodowe odpowiedniki DIN 7972

Ta norma została anulowana
Norma ta została zastąpiona przez DIN EN ISO 1482

Wkrety samogwintujace, leb stozkowy z rowkiem i plaskim lbem

Rysunek wymiarowy i diagramy techniczne

1757_3745.jpg

Kluczowe wymiary i parametry techniczne

Dimensions in mm - source DIN 7972Withdrawn

Publication date: 08/1990

Ø
P
dk max
dk min
k
t max
t min
n max
n min
ST 2.2
0.8 4.3 4 1.3 0.6 0.4 0.6 0.66
ST 2.9
1.1 5.5 5.2 1.7 0.75 0.5 0.8 0.86
ST 3.5
1.3 6.8 6.44 2.1 0.95 0.6 1 1.06
ST 3.9
1.3 7.5 7.014 2.3 1.05 0.7 1 1.06
ST 4.2
1.4 8.1 7.74 2.5 1.15 0.75 1.2 1.26
ST 4.8
1.6 9.5 9.14 3 1.35 0.85 1.2 1.26
ST 5.5
1.8 10.8 10.37 3.4 1.5 1 1.6 1.66
ST 6.3
1.8 12.4 11.97 3.8 1.75 1.2 1.6 1.66

DIN 7972 - ≈ 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
6.5 0.14 0.242
9.5 0.2 0.35 0.548 0.858 0.775 1.10
13 0.27 0.476 0.722 0.88 1.02 1.45 2.11 2.53
16 0.33 0.584 0.871 1.07 1.23 1.75 2.9 3.07
19 0.692 1.02 1.26 1.44 2.05 2.87 3.61
22 1.17 1.45 1.65 2.35 3.26 4.15
25 1.32 1.64 1.86 2.65 3.65 4.69
32 2.35 3.35 4.56 5.95
38 3.95 5.34 7.03