Metric Size, Steel
Collar Nuts
DIN 6331

DIN 6331


RoHS Compliant

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DIN 6331
Specification
Information

Nut body: Turned and milled
Tempered, European material property class 10.9 grade
("m" height = 1.5 x diameter)

 Collar nuts offer more secure clamping than standard hex nuts.
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Dimensions in:

inches
(millimeters)
Part
Number
Nut
Thread
s
e
m
a
d1
Weight
Per Each
(Grams)
M6 x 1.0
10
15
9
3.0
14
6
M8 x 1.25
13
15
12
3.5
18
12
M10 x 1.5
16
18.4
15
4.0
22
21
M10 x 1.5
17
19.6
15
4.0
22
25
M12 x 1.75
18
20.7
18
4.0
25
30
M12 x 1.75
19
21.9
18
4.0
25
36
M14 x 2.0
21
24.2
21
4.5
28
43
M14 x 2.0
22
25.4
21
4.5
28
51
M16 x 2.0
24
27.7
24
5.0
31
70
M18 x 2.5
27
31.2
27
5.0
34
95
M20 x 2.5
30
34.6
30
6.0
37
130
M22 x 2.5
34
39.2
33
6.0
40
200
M22 x 2.5
32
36.9
33
6.0
40
160
M24 x 3.0
36
41.5
36
6.0
45
230
M27 x 3.0
41
47.3
40
8.0
50
320
M30 x 3.5
46
53.1
45
8.0
58
470
M36 x 4.0
55
63.5
54
10.0
68
800
M42 x 4.5
65
75
63
12.0
80
1340
M48 x 5.0
75
86.5
72
14.0
92
2040
* Old Standard