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GB 5790 - 1986 Large hexagon head flange bolts with reduces shank - Product grade B
Thread Size
d
M5
P Pitch
b L≤125
125<L≤200
L>200
c min
da max Type A
Type B
dc max
ds max
min
du max
dw min
e min
f max
k max
k1 min
r1 min
r2 max
r3 min
r4 Ref.
s max
min
t max
min
0.8
16
/
/
1
5.7
6.2
11.8
5
4.82
5.5
9.8
8.56
1.4
5.4
2
0.25
0.3
0.1
3
8
7.64
0.15
0.05
thousand-piece steel weight≈kg
5.49