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Cross recessed raised countersunk head thread forming screws

Q 264

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汽标代号Q 264 Q264 264Q Cross recessed raised countersunk head thread forming screws
Screw Thread
d
M3 M4 M5 M6
P Pitch
a max
b min
dk Theoretical max
Actual max
min
f
k max
x max
Socket No.
m Ref.
Penetration depth max
min
r max
R
0.5 0.7 0.8 1
1.0 1.4 1.6 2.0
18 24 30 35
6.3 9.4 10.4 12.6
5.5 8.4 9.3 11.3
5.2 8 8.9 10.9
0.7 1.0 1.2 1.4
1.65 2.7 2.7 3.3
1.25 1.75 2.00 2.50
1 2 2 3
3.4 5.2 5.4 7.3
2.2 3.2 3.4 4.0
1.8 2.7 2.9 3.5
0.8 1 1.3 1.5
6 9.5 9.5 12