Esta norma ha sido cancelada

Tornillos autoperforantes con rosca autorroscante

Esta Norma Internacional especifica las propiedades de los tornillos tratados térmicamente con rosca autorroscante, de acuerdo con la norma ISO 1478, y que están diseñados con una punta de perforación que perfora automáticamente el orificio central para el tornillo durante el montaje.

Dibujos dimensionales y diagramas técnicos

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Dimensiones clave y parámetros técnicos

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