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ISO 21670 - 2003 Weld hexagon nuts with flange


Unit: 毫米(mm)
Thread Size
d
M5 M6 M8
P Pitch Coarse thread
Fine thread
b max=nominal size
min
c max
min
da max
dc max
min
e min
f Nominal Size
max
min
g Nominal Size
max
min
m max
min
s max
min
r1 ±0.1
r2 ±0.1
per 1000 units ≈ kg
Ensure the load(N) Coarse thread
Fine thread
0.8 1 1.25
/ / /
2.2 2.7 2.7
2 2.5 2.5
0.9 0.9 1.1
0.7 0.7 0.9
6 7 9.5
15.5 18.5 22.5
14.5 17.5 21.5
8.2 10.6 13.6
1.7 2 2.5
1.95 2.25 2.75
1.45 1.75 2.25
4 5 6
4.1 5.1 6.1
3.9 4.9 5.9
5 7 10
4.7 6.64 9.64
8 10 13
7.64 9.64 12.57
0.6 0.6 0.8
0.3 0.5 0.8
2.9 5.7 12.2
14800 20900 38100
/ / /
Alternative history ISO 21670 - 2003 ISO 21670 - 2014
Equivalent standard
GB GB /T 13681.2
ISO ISO 21670
DIN DIN EN ISO 21670
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.
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  • Shanghai Kinsom Precision Hardware Co.,Ltd
  • Contact: Tina Cheung
    Cellphone: +86-18114615363
    email: tina@ksfasteners.com
    material:carbon steel,copper,Stainless steel 304 ,316,aluminum;Specifications:M2-M20 , 8-32 ,1/4-20 ,10-24 etc;Nominal length:5-200mm;Surface treatment:according to customers' requirements;Zinc plated, Zinc nickel plated, Dacromet, polished, electrophoresis,ect.

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