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Click Specification

(Non-preferred) dimensions in parentheses.

Hexagon Flange Bolt - Type 1 [Attached Table 1]

JIS B 1189 (Type 1) - 2005

Display drawing:

 *Models with different eras.

Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Nominal Diameter
d
M4 M5 M6 M8 M10 M12
P Coarse thread
Fine thread
ds max=nominal size
min
s max=nominal size
min
e min
dc max
dw min
k max
k1 min
c Ref.
max
min
r1 max
r min
da max
kw min
x
0.7 0.8 1 1.25 1.5 1.75
/ / / 1 1.25 1.25
4 5 6 8 10 12
3.9 4.9 5.9 7.85 9.85 11.8
7 8 10 12 14 17
6.8 7.8 9.8 11.75 13.75 16.75
7.74 8.87 11.05 13.25 15.51 18.90
10.5 12 14 17.5 21 25
7.5 9 11 14.5 18 22
3.6 4.5 5.4 6.9 8.5 10.2
2.4 3 3.6 4.8 6 7.2
0.8 1 1.2 1.4 1.6 2
0.95 1.15 1.4 1.6 1.85 2.25
0.65 0.85 1 1.2 1.35 1.75
0.6 0.7 0.8 1.1 1.4 1.6
0.2 0.2 0.25 0.4 0.4 0.6
4.7 5.7 6.8 9.2 11.2 14.2
1.6 2 2.3 3.1 3.9 4.7
1.4 1.6 2 2.5 3 3.5
Length of Thread b
- - - - - -