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Click Specification

(Non-preferred) dimensions in parentheses.

Flange spherical nuts

Q 308

Display drawing:

汽标代号Q 308 Q308 308Q Flange spherical nuts
Screw Thread
d
M12 M14 (M18) M20 M22
P Pitch
s max
min
dc max
min
m max
min
h Nominal Size
max
min
SR ±1
da max
dw max
min
e min
m1 min
t max
1.5 1.5 1.5 1.5 1.5
18 (17) 21 (19) 24 27 30
17.73 (16.73) 20.67 (18.67) 23.67 26.67 29.67
23 26 28 33 36
22.48 25.48 27.48 32.48 35.48
19 21 26 28 31
18 20 25 27 30
7.5 7.5 7.5 9 10.5
7.79 7.79 7.79 9.29 10.85
7.21 7.21 7.21 8.71 10.15
12 14 16 18 18
12.5 14.5 18.5 20.5 22.5
14.5 17 21 24.5 26.5
14 16.5 20.5 24 26
20.04(18.72) 23.36(20.88) 26.17 29.56 32.95
6.9 8.9 12.5 12.6 13.6
1.5 2 2 3.5 4.5