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Home » Standards » Screws » DIN 7991

DIN 7991

DIN 7991 , Flat / Countersunk Head Socket Machine Screws
Dimension of DIN 7991 as below:

DIN 7991 flat / countersunk head screws
d M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 16 M 20
s 2 2.5 3 4 5 6 8 10 12
e 2.3 2.9 3.5 4.7 5.8 7 9.4 11.7 13.9
dk 6 8 10 12 16 20 24 30 36
t 1.2 1.8 2.3 2.5 3.5 4.4 4.6 5.3 5.9
b up to 125 12 14 16 18 22 26 30 38 46
b up to 200 – – – 24 28 32 36 44 52

 

1. All size in mm ;



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