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Home
About Us
Products
Hex Bolts
Socket Head Cap Screws
Socket Set Screws
Socket Countersunk Screws
Socket Button Head Screws
Hex Key Wrench
Nylock Nuts, Cap / Doom Nuts
Prevailing Torque Nuts
Hex Nuts / Special Nuts
Flange Nuts, Wing Nuts
Square Weld Nuts & Hex Weld Nuts
Cage Nuts, Rivet Nuts
Self Tapping Screws
Spring Washers, Plain Washers
Spring Dowell Pins
Circlips
Blind Rivets
Technical Info
Alliances
Services
Enquiry Now
Contact Us
DIN 1440 Specifications
Home
DIN 1440 Specifications
DIN 1440
Specifications
All measurements in millimeters (mm)
d1
d2
s
M3
6
0.8
M4
8
0.8
M5
10
0.8
M6
12
1.6
M7
14
1.6
M8
16
2
M10
20
2.5
M12
25
3
M13
25
3
M14
28
3
M16
28
3
M18
30
4
M20
32
4
M22
34
4
M23
36
4
M25
40
4
M26
40
5
M28
42
5
M30
45
5
M32
50
5
M33
50
5
M35
52
6
M36
52
6
M40
58
6
M45
62
7
M50
68
8
d1
used for
d2
s
14
M12
58
6
18
M16
68
6
23
M20
80
8
25
M22
92
8
27
M24
105
8
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