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GB /T 32.1-1988 Hexagon bolts with wire hole on head


Unit: mm
国标GB /T32.1-1988 GB32.1 32.1GB(GB32-1976 六角头头部带孔螺栓
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
M6 M8 M10 M12 (M14) M16 (M18) M20 (M22) M24 (M27) M30 M36 M42 M48
P P
ds min
max
k Nominal Size
min
max
s max=nominal size
min
d1 Nominal Size
min
max
Le
1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 4 4.5 5
5.7 7.64 9.64 11.57 13.57 15.57 17.57 19.48 21.48 23.48 26.48 29.48 35.38 41.38 47.38
6 8 10 12 14 16 18 20 22 24 27 30 36 42 48
4 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7 22.5 26 30
3.76 5.06 6.11 7.21 8.51 9.71 11.15 12.15 13.65 14.65 16.65 18.28 22.08 25.58 29.58
4.24 5.54 6.69 7.79 9.09 10.29 11.85 12.85 14.35 15.35 17.35 19.12 22.92 26.42 30.42
10 13 16 18 21 24 27 30 34 36 41 46 55 65 75
9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16 33 35 40 45 53.8 63.8 73.1
1.6 2 2.5 3.2 3.2 4 4 4 5 5 5 6.3 6.3 8 8
1.6 2 2.5 3.2 3.2 4 4 4 5 5 5 6.3 6.3 8 8
1.85 2.25 2.75 3.5 3.5 4.3 4.3 4.3 5.3 5.3 5.3 6.6 6.6 8.3 8.3
2 2.6 3.2 3.7 4.4 5 5.7 6.2 7 7.5 8.5 9.3 11.2 13 15
Weitht of per 1000 steel products(≈kg)
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Relevant Standards
1
细杆六角头头部带孔螺栓
[GB]
GB /T 32.2-1988
Hexagon bolts with wire holes on head-reduced shank
2
细牙六角头头部带孔螺栓
[GB]
GB /T 32.3-1988
Hexagon bolts with wire holes on head-fine pitch thread
3
小六角头部带孔螺栓
[GB]
GB 25-1976
Bolts, small hexagon head with holes through the head
4
小六角头头部带孔导颈螺栓
[GB]
GB 26-1976
Bolts, small hexagon head with fit neck and holes through the head