Questa norma è stata annullata

Viti autoperforanti con filetto autofilettante

Questa norma internazionale specifica le caratteristiche delle viti trattate termicamente con filettatura autofilettante in accordo con la ISO 1478, che sono progettate con una punta perforante che automaticamente prepara il foro di alloggiamento per la vite durante il montaggio.

Disegni dimensionali e diagrammi tecnici

775_ANl3y1_zyro-image.png

Dimensioni chiave e parametri tecnici

Dimensions in mm - source DIN 7504 type K

Publication date: 09/1995 Supersedes DIN 7504: 02/1992

Ø thread size P h min k max k min dc min dc max s min s max dp max
ST 2.9 1.1 0.4 2.8 2.5 5.8 6.3 3.82 4 2.3
ST 3.5 1.3 0.6 3.4 3 7.6 8.3 5.32 5.50 2.8
ST 3.9 1.3 0.6 3.4 3 7.6 8.3 5.32 5.50 3.1
ST 4.2 1.4 0.8 4.1

3.6

8.1 8.8 6.78 7 3.6
ST 4.8 1.6 0.9 4.3 3.8 9.8 10.5 7.78 8 4.1
ST 5.5 1.8 1 5.4 4.8 10 11 7.78 8 4.8
ST 6.3 1.8 1 5.9 5.3 12.2 13.5 9.78 10 5.8

Dimensions in mm - source DIN 7504 type L

Publication date: 09/1995 Supersedes DIN 7504: 02/1992

Ø thread size P h min k max k min dc min dc max s min s max n min n max t min dp max
ST 2.9 1.1 0.4 2.8 2.5 5.8 6.3 3.82 4 0.86 1 0.35 2.3
ST 3.5 1.3 0.6 3.4 3 7.6 8.3 5.32 5.50 1.06 1.2 0.43 2.8
ST 3.9 1.3 0.6 3.4 3 7.6 8.3 5.32 5.50 1.06 1.2 0.43 3.1
ST 4.2 1.4 0.8 4.1

3.6

8.1 8.8 6.78 7 1.26 1.51 0.51 3.6
ST 4.8 1.6 0.9 4.3 3.8 9.8 10.5 7.78 8 1.26 1.51 0.51 4.1
ST 5.5 1.8 1 5.4 4.8 10 11 7.78 8 1.66 1.91 0.66 4.8
ST 6.3 1.8 1 5.9 5.3 12.2 13.5 9.78 10 1.66 1.91 0.66 5.8

Dimensions in mm - source DIN 7504 type N

Publication date: 09/1995 Supersedes DIN 7504: 02/1992

Ø thread size P k max k min dk min dk max dp max
ST 2.2 0.8 1.6 1.4 3.7 4 2.3
ST 2.9 1.1 2.4 2.15 5.3 5.6 2.8
ST 3.5 1.3 2.6 2.35 6.64 7 3.1
ST 4.2 1.4 3.1 2.8 7.64 8 3.6
ST 4.8 1.6 3.7 3.4 9.14 9.5 4.1
ST 5.5 1.8 4 3.7 10.57 11 4.8
ST 6.3 1.8 4.6 4.3 11.57 12 5.8

Dimensions in mm - source DIN 7504 type P

Publication date: 09/1995 Supersedes DIN 7504: 02/1992

Ø thread size P k max dk min dk max dp max
ST 2.2 0.8 1.1 3.5 3.8 2.3
ST 2.9 1.1 1.7 5.2 5.5 2.8
ST 3.5 1.3 2.35 6.9 7.3 3.1
ST 4.2 1.4 2.6 8 8.4 3.6
ST 4.8 1.6 2.8 8.9 9.3 4.1
ST 5.5 1.8 3 9.9 10.3 4.8
ST 6.3 1.8 3.15 10.9 11.3 5.8

Dimensions in mm - source DIN 7504 type R

Publication date: 09/1995 Supersedes DIN 7504: 02/1992

Ø thread size P k max dk min dk max dp max
ST 2.2 0.8 1.1 3.5 3.8 2.3
ST 2.9 1.1 1.7 5.2 5.5 2.8
ST 3.5 1.3 2.35 6.9 7.3 3.1
ST 4.2 1.4 2.6 8 8.4 3.6
ST 4.8 1.6 2.8 8.9 9.3 4.1
ST 5.5 1.8 3 9.9 10.3 4.8
ST 6.3 1.8 3.15 10.9 11.3 5.8

Drilling depth and grip length

Thread size ST2,9 ST3,5 ST3,9 ST4,2 ST4,8 ST5,5 ST6.3
drilling depth (sheet,plate,thickness), from-to: 0.7-1.9 0.7-2.25 0.7-2.4 1.75-3 1.75-4.4 1.75-5.25

2-6

Nominal size Minimum grip length, lg
9.5 3.25 2.85
13 6.6 6.2 5.8 4.3 3.7
16 9.6 9.2 8.8 7.3 5.8 5
19 12.5 12.1 11.7 10.3 8.7 8 7
22 15.1 14.7 13.3 11.7 11 10
25 18.1 17.7 16.3 14.7 14 13
32 24.5 23 21.5 21 20
38 30.5 29 27.5 27 26
45 34.5 34 33
50 39.5 39 38