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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Large Square Head Bolts (Regular)

CNS 3137 - 1981

Display drawing:

台湾CNS 3137 - 1981 CNS3137 3137CNS Large Square Head Bolts (Regular)
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Screw Thread
d
M10 M12 M16 M20 (M22) M24
P Pitch
ds Nominal Size
max
min
k Nominal Size
max
min
s max
min
1.5 1.75 2 2.5 2.5 3
10 12 16 20 22 24
10.7 12.9 16.9 20.95 22.95 24.95
9.8 11.8 15.8 19.65 21.65 23.65
7 8 10 13 14 15
7.6 8.8 10.8 13.9 14.9 15.9
6.4 7.2 9.2 12.1 13.1 14.1
24 30 36 41 46 55
23.2 29.2 35 40 45 53.8
Length of Thread b
- - - - - -
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