Historia técnica y equivalentes internacionales de DIN 7972

Esta norma ha sido cancelada
Esta norma ha sido sustituida por DIN EN ISO 1482

Tornillos de rosca, cabeza plana ranurada avellanada

Dibujos dimensionales y diagramas técnicos

1757_3745.jpg

Dimensiones clave y parámetros técnicos

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