Esta norma foi cancelada

Parafusos autoperfurantes com rosca auto-roscante

Esta Norma Internacional especifica as propriedades dos parafusos com tratamento térmico e rosca auto-roscante, de acordo com a ISO 1478, que são concebidos com uma ponta de perfuração que perfura automaticamente o furo central para o parafuso durante a montagem

Desenho dimensional e diagramas técnicos

775_ANl3y1_zyro-image.png

Principais dimensões e parâmetros 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