Ta norma została anulowana

Wkrety samogwintujace, leb stozkowy z rowkiem 

Rysunek wymiarowy i diagramy techniczne

263_1897.jpg

Kluczowe wymiary i parametry techniczne

Dimensions in mm - source UNI 6951Withdrawn

Publication date: 11-1978

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

UNI 6951 - ≈ 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