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ISO 8678-1988 Cup head square neck bolts with small head and short neck-Product grade B


Unit: mm
国际ISO 8678-1988 ISO8678 8678ISO 小半圆头矮方颈螺栓 B级
Screw Thread
d
M6 M8 M10 M12 M16 M20
P Pitch
b L≤125
125<L≤200
dk max
k1 max
min
k max
min
s max
min
ds max
e min
1.00 1.25 1.50 1.75 2.00 2.50
18 22 26 30 38 46
/ / / / 44 52
14.2 18 22.3 26.6 35 43
3 3 4 4 5 5
2.4 2.4 3.2 3.2 4.2 4.2
3.6 4.8 5.8 6.8 8.9 10.9
3 4 5 6 8 10
6.48 8.58 10.58 12.7 16.7 20.84
5.88 7.85 9.85 11.82 15.82 19.79
6 8 10 12 16 20
7.64 10.2 12.8 15.37 20.57 25.73
Relevant Standards
1
小半圆头低方颈螺栓
[GB]
GB /T 801-1988
Cup head square neck bolts with small head and short neck
2
半圆头低方颈马车螺栓
[JIS]
JIS B 1171-2001
Round head bolts with short square neck
3
半圆头矮方颈螺栓
[JIS]
JIS B 1171-2005
Round head bolts with short square neck
4
圆头矮方颈螺钉Table3
[ANSI/ASME]
ANSI/ASME B 18.5-2008
Round head short square neck bolts
5
米制圆头方颈螺钉
[ANSI/ASME]
ANSI/ASME B 18.5.2.2M-2005
Metric round head square neck bolts
6
米制圆头矮方颈螺钉
[ANSI/ASME]
ANSI/ASME B 18.5.2.1M-2011
Metric round head short square neck bolts