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GB /T 32.3-1988 Hexagon bolts with wire holes on head-fine pitch thread


Unit: mm
国标GB /T32.3-1988 GB32.3 32.3GB(GB32--197 细牙六角头头部带孔螺栓
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
M8 M10 M10 M12 M12 M14 M16 M18 M20
P Pitch
b L≤125
125<L≤200
200<L
ds max=nominal size
Grade A min
Grade B min
k Nominal Size
Grade A max
Grade A min
Grade B max
Grade B min
s max=nominal size
Grade A min
Grade B min
d1 min=nominal size
max
Le
1 1 1.25 1.5 1.25 1.5 1.5 1.5 2
22 26 26 30 30 34 38 42 46
28 32 32 36 36 40 44 48 52
41 45 45 49 49 53 57 61 65
8 8 10 12 10 14 16 18 20
7.78 9.78 9.78 11.73 11.73 13.73 15.73 17.73 19.67
7.64 9.64 9.64 11.57 11.57 13.54 15.57 17.57 19.48
5.3 6.4 6.4 7.5 7.5 8.8 10 11.5 12.5
5.54 6.58 6.58 7.68 7.68 8.98 10.18 11.715 12.715
5.15 6.22 6.22 7.32 7.32 8.62 9.82 11.285 12.285
5.54 6.69 6.69 7.79 7.79 9.09 10.29 11.85 12.85
5.06 6.11 6.11 7.21 7.21 8.51 9.71 11.15 12.15
13 16 16 18 18 21 24 27 30
12.73 15.73 15.73 17.73 17.73 20.67 23.67 26.67 29.67
12.57 15.57 15.57 17.57 15.57 20.16 23.16 26.16 29.16
2 2 2 2 2 2 3 3 3
2.25 2.25 2.25 2.25 2.25 2.25 3.25 3.25 3.25
2.60 3.20 3.20 3.70 3.70 4.40 5.00 5.70 6.20
Weitht of per 1000 steel products(≈kg)
- - - - - - - - -
Screw Thread
d
M20 M22 M24 M27 M30 M36 M42 M48
P Pitch
b L≤125
125<L≤200
200<L
ds max=nominal size
Grade A min
Grade B min
k Nominal Size
Grade A max
Grade A min
Grade B max
Grade B min
s max=nominal size
Grade A min
Grade B min
d1 min=nominal size
max
Le
1.5 1.5 2 2 2 3 3 3
46 50 54 60 66 / / /
52 56 60 66 72 84 96 108
65 69 73 79 85 97 109 121
18 22 24 27 30 36 42 48
19.67 21.67 23.67 / / / / /
19.48 21.48 23.48 26.48 29.48 35.38 41.38 47.38
12.5 14 15 17 18.7 22.5 26 30
12.715 14.215 15.215 / / / / /
12.285 13.785 14.785 / / / / /
12.85 14.35 15.35 17.35 19.12 22.92 26.42 30.42
12.15 13.65 14.65 16.65 18.28 22.08 25.58 29.58
30 34 36 41 46 55 65 75
29.67 33.38 35.38 / / / / /
29.16 33 35 40 45 53.8 63.1 73.1
3 3 3 3 3 4 4 4
3.25 3.25 3.25 3.25 3.25 4.3 4.3 4.3
6.20 7 7.5 8.5 9.3 11.2 13.0 15.0
Weitht of per 1000 steel products(≈kg)
- - - - - - - -
Relevant Standards
1
六角头头部带孔螺栓
[GB]
GB /T 32.1-1988
Hexagon bolts with wire hole on head
2
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
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