Hexagon Thin Nut, chamfered (A4 DIN439) Metric Coarse Thread
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Standard : DIN 439
Material : BS6105 Corrosion-resistant
    stainless steel grade A4
Head mark : A4 (stamp mark)
Certificate : Chemical and mechanical test
    certificate available
 
Thread size (d)
M6
M8
M10
M12
M16
M20
Thread pitch
1
1.25
1.5
1.75
2
2.5
Head A/F (s)
10
13
17
19
24
30
Head A/C (e) min
11
14.38
18.9
21.1
26.75
32.95
m (max)
3.2
4
5
6
8
10
m (min)
2.9
3.7
4.7
5.7
7.42
9.1
Weight in kg per hundred
0.16
0.32
0.72
1.04
2.05
4.02