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Cup Head Square Neck Bolts with Large Head - Product Grade C

ISO 8677 - 1986

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国际ISO 8677 - 1986 ISO8677 8677ISO Cup Head Square Neck Bolts with Large Head - Product Grade C
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M5 M6 M8 M10 M12 M16 M20
P Pitch
b Ref. L≤120
130≤L≤200
L>200
dk max=nominal size
min
ds max
e min
k1 max
min
k max
min
r max
s max
min
0.80 1.00 1.25 1.50 1.75 2.00 2.50
16 18 22 26 30 38 46
/ / 28 32 36 44 52
/ / / / / 57 65
13.00 16.00 20.00 24.00 30.00 38.00 46.00
11.90 14.90 18.70 22.70 28.70 36.40 44.40
5.48 6.48 8.58 10.58 12.7 16.7 20.84
5.9 7.2 9.6 12.2 14.7 19.9 24.9
4.10 4.60 5.60 6.60 8.80 12.90 15.90
2.90 3.40 4.40 5.40 7.20 11.10 14.10
3.10 3.60 4.80 5.80 6.80 8.90 10.90
2.50 3.00 4.00 5.00 6.00 8.00 10.00
0.4 0.5 0.8 0.8 1.2 1.2 1.6
5.48 6.48 8.58 10.58 12.70 16.70 20.84
4.52 5.52 7.42 9.42 11.30 15.30 19.16
Length of Thread b
- - - - - - -
①,dsmin ≈ pitch diameter
②,For nmoinal lengths L ≤ 75 mm and sizes d ≤ M12 the length of thread, b, may be the whole of the shank length up to the square neck.

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