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(Non-preferred) dimensions in parentheses.

Hexagon flange bolts

Q 181

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汽标代号Q 181 Q181 181Q Hexagon flange bolts
Thread Size
d
M8 (M10) (M12) (M14) M16
P Pitch
h max
dc max
k max
e min
s max
min
Number of Teeth
a min
c max
1 1 1.5 1.5 1.5
1.2 1.5 1.8 2.1 2.4
17 20.8 24.7 28.6 32.8
8.5 9.7 11.9 12.9 15.1
10.8 14.08 16.32 19.68 22.94
10 13 15 18 21
9.64 12.57 14.57 17.57 20.16
24 30 30 39 39
3.75 4.5 5.25 6 6
1.2 1.5 1.8 2.1 2.1

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