Technical History and International Equivalents of DIN 7982

This norm has been cancelled
This norm has been replaced by DIN EN ISO 7050

Tapping screws, cross recessed countersunk flat head

Dimensional Drawing and Technical Diagrams

1760_3751.jpg

Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 7982Withdrawn

Publication Date 08/1990 - Supersedes DIN 7982: 12/1984
Ø thread size
P
dk max.
dk min
k max.
recess No.
m type H m type Z
y type C
y type F
2.2
0.8
4.3 4 1.3 1 2.5 2.4
2
1.6
2.9
1.1
5.5 5.2 1.7
1
3 2.8
2.6
2.1
3.5
1.3
6.8 6.44 2.1
2
4.2 4
3.2
2.5
3.9 1.3 7.5 7.14 2.3 2 4.6 4.2
4.2
1.4
8.1 7.74 2.5 2 4.7 4.4 3.7 2.8
4.8
1.6
9.5 9.14 3 2 5.1 5 5 3.2
5.5
1.8
10.8 10.37 3.4
3
6.8 6.3
5
3.6
6.3
1.8
12.4 11.97 3.8 3 7.1 7 6 3.6

DIN 7982 - ≈ weight in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial sizes

d thread size ST 2.2 ST 2.9 ST 3.5 ST 3.9 ST 4.2 ST 4.8 ST 5.5 ST 6.3 ST 8 ST 9.5
nominal length l
4.5 0.1
6.5 0.14 0.28
9.5 0.2 0.35 0.54 0.66 0.77 1.1
13 0.27 0.48 0.72 0.88 1.02 1.45 2.11 2.53
16 0.33 0.58 0.87 1.07 1.23 1.75 2.49 3.07
19 0.69 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 5.43 7.03
45 6.3 8.4
50 6.9 9.77