Standard DIN EN 1665
Hexagon flange bolts with or without knurled underhead heavy series
The standard (DIN EN 1665) specifies the characteristics of hexagon head fasteners with flange, with thread sizes from M5 up to M16 enclosed, heavy series, with property classes 8.8, 10.9 and A2-70.
Dimensions in mm - source DIN EN 1665
|
Publication date: 11/1998 |
d thread size |
P
|
b (l<=125)
|
b (l>125<=200) |
b (l>200) |
c min
|
dk max.
|
k max |
ds min |
dr |
e min.
|
s nom=/max.
|
M 5
|
0.8
|
16
|
-
|
-
|
1 |
11.8 |
5.8 |
4.82 |
≈ rolling dia. |
8.71 |
8 |
M 6
|
1
|
18
|
-
|
-
|
1.1 |
14.2 |
6.6 |
5.82 |
' ' |
10.95 |
10 |
M 8
|
1.25
|
22
|
28
|
-
|
1.2 |
18 |
8.1 |
7.78 |
' ' |
14.26 |
13 |
M 10
|
1.5
|
26
|
32
|
-
|
1.5 |
22.3 |
10.4 |
9.78 |
' ' |
17.62 |
16 |
M 12
|
1.75
|
30
|
36
|
-
|
1.8 |
26.6 |
11.8 |
11.73 |
' ' |
19.86 |
18 |
M 14
|
2
|
34
|
40
|
-
|
2.1 |
30.5 |
13.7 |
13.73 |
' ' |
23.15 |
21 |
M 16
|
2
|
38
|
44
|
57
|
2.4 |
35 |
15.4 |
15.73 |
' ' |
26.51 |
24 |
M 20 |
2.5 |
46 |
62 |
65 |
3 |
43 |
18.9 |
19.67 |
' ' |
33.23 |
30 |
DIN 1665 - commercial items
|
d thread size |
M5 |
M6 |
M8
|
M10
|
M12
|
M14
|
M16
|
M20
|
nominal length l |
|
|
|
|
|
|
|
|
25 |
X |
|
|
|
|
|
|
|
30 |
X |
X |
|
|
|
|
|
|
35 |
X |
X |
X |
|
|
|
|
|
40 |
X |
X |
X |
X |
|
|
|
|
45 |
X |
X |
X |
X |
X |
|
|
|
50 |
X |
X |
X |
X |
X |
X |
|
|
55 |
|
X |
X |
X |
X |
X |
X |
|
60 |
|
X |
X |
X |
X |
X |
X |
|
65 |
|
|
X |
X |
X |
X |
X |
X |
70 |
|
|
X |
X |
X |
X |
X |
X |
80 |
|
|
X |
X |
X |
X |
X |
X |
90 |
|
|
|
X |
X |
X |
X |
X |
100 |
|
|
|
X |
X |
X |
X |
X |
110 |
|
|
|
|
X |
X |
X |
X |
120 |
|
|
|
|
X |
X |
X |
X |
130 |
|
|
|
|
|
X |
X |
X |
140 |
|
|
|
|
|
X |
X |
X |
150 |
|
|
|
|
|
|
X |
X |
160 |
|
|
|
|
|
|
X |
X |
180 |
|
|
|
|
|
|
|
X |
200 |
|
|
|
|
|
|
|
X |
Standard DIN 6921
Hexagon head fasteners with flange
Dimensions in mm - source DIN 6921 Withdrawn
Publication date : 06/1983
|
d thread size |
P
|
b (l<=125)
|
b (l>125<=200) |
b (l>200) |
ds min |
c min
|
dk max.
|
k max |
e min.
|
s nom=max |
M 5
|
0.8
|
16
|
-
|
- |
4.82 |
1
|
11.8
|
5.4 |
8.71
|
8 |
M 6
|
1
|
18
|
-
|
- |
5.82 |
1.1
|
14.2
|
6.6 |
10.95
|
10 |
M 8
|
1.25
|
22
|
28
|
- |
7.78 |
1.2
|
18
|
8.1 |
14.26
|
13 |
M 10
|
1.5
|
26
|
32
|
- |
9.78 |
1.5
|
22.3
|
9.2 |
16.5 |
15 |
M 12
|
1.75
|
30
|
36
|
- |
11.73 |
1.8
|
26.6
|
11.5 |
17.62 |
16 |
M 14
|
2
|
34
|
40
|
- |
13.73 |
2.1
|
30.5
|
12.8 |
19.86 |
18 |
M 16
|
2
|
38
|
44
|
57 |
15.73 |
2.4
|
35
|
14.4 |
23.15
|
21 |
M 20
|
2.5
|
46
|
52
|
65 |
19.67 |
3
|
43
|
17.1 |
29.87
|
27 |
DIN 6921 1983 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items
|
d thread size
|
M5
|
M6
|
M8
|
M10
|
M12
|
M14
|
M16
|
nominal length l |
|
|
|
|
|
|
|
10 |
3.22 |
|
|
|
|
|
|
12 |
3.46 |
6.94 |
13.76 |
24.04 |
|
|
|
16 |
3.94 |
7.62 |
15.01 |
26.01 |
|
|
|
20 |
4.42 |
8.30 |
16.25 |
27.97 |
44.35 |
|
|
25 |
5.25 |
9.16 |
17.8 |
30.42 |
47.9 |
66.96 |
83.82 |
30 |
6 |
10.5 |
19.36 |
32.88 |
51.46 |
71.83 |
90.37 |
35 |
6.74 |
11.58 |
21.77 |
35.33 |
55.02 |
76.71 |
96.92 |
40 |
7.48 |
12.65 |
23.68 |
39.18 |
58.57 |
81.58 |
103.47 |
45 |
8.23 |
13.73 |
25.6 |
42.2 |
64.2 |
86.46 |
110 |
50 |
8.97 |
14.8 |
27.52 |
45.21 |
68.54 |
94.27 |
116.6 |
55 |
9.71 |
15.88 |
29.44 |
48.23 |
72.87 |
100.19 |
126.7 |
60 |
10.46 |
16.96 |
31.36 |
51.24 |
77.21 |
106.11 |
134.5 |
65 |
11.2 |
18.03 |
33.27 |
54.25 |
81.55 |
112.04 |
142.3 |
70 |
11.94 |
19.11 |
35.19 |
57.27 |
85.89 |
117.96 |
150 |
75 |
12.68 |
20.18 |
37.11 |
60.28 |
90.23 |
123.88 |
158 |
80 |
13.43 |
21.26 |
39.03 |
63.29 |
94.56 |
129.81 |
166 |
85 |
|
22.34 |
40.95 |
66.31 |
98.9 |
135.73 |
173 |
90 |
|
23.41 |
42.87 |
69.32 |
103.24 |
141.65 |
181 |
95 |
|
24.49 |
44.78 |
72.35 |
107.58 |
147.58 |
189 |
100 |
|
25.57 |
46.7 |
75.35 |
111.91 |
153.5 |
197 |
110 |
|
|
|
81.38 |
120.59 |
165.35 |
212 |
120 |
|
|
|
87.4 |
129.26 |
177.19 |
228 |
130 |
|
|
|
92.76 |
137 |
187.78 |
242 |
140 |
|
|
|
|
145.68 |
199.63 |
257 |
150 |
|
|
|
|
|
211.47 |
273 |
Hex head flanged screws with knurled underhead
Sechskantschrauben mit Flansch mit Rändelschraube Unterkopf
Viti a testa esagonale flangiata zigrinata
|
Dimensions in mm
|
d thread size |
k |
h |
dk |
s
|
nr. of Teeth |
M 5
|
4.3 |
0.15 |
11.2 |
8 |
24 |
M 6
|
5.5 |
0.17 |
14.2 |
10 |
24 |
M 8
|
7 |
0.2 |
18.2 |
13 |
24 |
M 10
|
7.9 |
0.25 |
21 |
15 |
24 |
M 12
|
8.7 |
0.25 |
24 |
17 |
24 |
M 16
|
11.2 |
0.28 |
31 |
22 |
24 |