DIN 7969 - Slotted Countersunk Head Screws For Structural Steel Bolting For Supply With or Without Nut




d
M12
M16
M20
M24
P
1.75
2
2.5
3
α
75。(+5。/ - 0。)
60。(+5。/ - 0。)
a
min.
13.7
18.6
21.4
25.6
max.
14.7
19.6
22.4
26.6
b
b
22
28
32
38
c
28
35
40
50
dk
max. = 
21
28
32
38
min.
20.48
27.48
31.38
37.38
ds
nominal size
12
16
20
24
min.
11.3
15.3
19.16
23.16
max.
12.7
16.7
20.84
24.84
e min.
19.85
26.17
32.95
39.55
k
nominal size
7
9
11.5
13
min.
6.71
8.71
11.15
12.65
max.
7.29
9.29
11.85
13.35
n
nominal size
2.5
2.5
3
3
t
max.
3
3
3.5
3.5
min
3
3
3.5
3.5
l
 　
 
ls
lg
ls
lg
ls
lg
ls
lg
nominal size
min.
max.
min.
max.
min.
max.
min.
max.
min.
max.
35
33.75
36.25
 　
 
15.75
 　
 
 　
 
 　
 
 　
 
 　
 
 　
 
40
38.75
41.25
9.25
18
 　
 
 　
 
 　
 
 　
 
 　
 
 　
 
45
43.75
46.25
14.25
23
 　
 
19
 　
 
 　
 
 　
 
 　
 
50
48.75
51.25
19.25
28
12
22
 　
 
24
 　
 
 　
 
55
53.5
56.5
24.25
33
17
27
 　
 
24
 　
 
 　
 
60
58.5
61.5
29.25
38
22
32
15.5
28
 　
 
28
65
63.5
66.5
28.25
37
27
37
20.5
33
 　
 
28
70
68.5
71.5
33.25
42
32
42
25.5
38
17
32
75
73.5
76.5
38.25
47
37
47
30.5
43
22
37
80
78.5
81.5
43.25
52
42
52
35.5
48
27
42
90
88.25
91.75
53.25
62
45
55
37.5
50
25
40
100
98.25
101.75
63.25
72
55
65
47.5
60
35
50
110
108.25
111.75
73.25
82
65
75
57.5
70
45
60
120
118.25
121.75
83.25
92
75
85
67.5
80
55
70
130
129
132
93.25
102
85
95
77.5
90
65
80
140
138
142
103.25
112
95
105
87.5
100
75
90
150
148
152
113.25
122
105
115
97.5
110
85
100
160
158
162
123.25
132
115
125
107.5
120
95
110

Tags: DIN 7969 Structural Steel Bolting

General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation