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GB /T 31.1-1988 Hexagon bolts with split pin hole on shank A and B


Unit: mm
国标GB /T31.1-1988 GB31.1 31.1GB(GB31-1976 六角头螺杆带孔螺栓 A和B级
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 Pitch
b L≤125
125<L≤200
L>200
ds max=nominal size
Grade A min
Grade B min
e 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 max
min
L1 max
min
1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 4 4.5 5
18 22 26 30 34 38 42 46 50 54 60 66 / / /
24 28 32 39 40 44 48 52 56 60 66 72 84 96 /
37 41 45 49 53 57 61 65 69 73 79 85 97 109 153
6 8 10 12 14 16 18 20 22 24 27 30 36 42 48
5.82 7.78 9.78 11.73 13.73 15.73 17.73 19.67 21.67 23.67 / / / / /
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
11.05 14.38 17.77 20.03 23.36 26.75 30.14 33.53 37.72 39.98 / / / / /
10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95 37.29 39.55 45.2 50.85 60.79 71.3 82.6
4 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7 22.5 26 30
4.15 5.45 6.58 7.68 8.98 10.18 11.715 12.715 14.215 15.215 / / / / /
3.85 5.15 6.22 7.32 8.62 9.82 11.285 12.285 13.785 14.785 / / / / /
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
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
10 13 16 18 21 24 27 30 34 36 41 46 55 65 75
9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67 33.38 35.38 / / / / /
9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16 33 35 40 45 53.8 63.1 73.1
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
1.6 2 2.5 3.2 3.2 4 4 4 5 5 5 6.3 6.3 8 8
3.25 4.3 4.3 5.3 5.3 6.3 6.3 6.3 7.36 7.36 8.36 9.36 10.36 12.43 12.43
3 4 4 5 5 6 6 6 7 7 8 9 10 12 12
Weitht of per 1000 steel products(≈kg)
- - - - - - - - - - - - - - -
Suppliers  
1
 
China Mainland Dongtai Huawei Standard Component Co., Ltd.
Frank Qiu
Telephone: +86-515-85521918/85525868/85528009/85922919/85923919
Material: stainless steel 304, 316; Nominal diameter: M6-M20; Nominal length: according to customer requirement
You will get the best price if inform us the information comes from GlobalFastener.com.
Relevant Standards
1
细杆六角头螺杆带孔螺栓
[GB]
GB /T 31.2-1988
Hexagon bolts with split pin hole on shank-reduced shank
2
细牙六角头螺杆带孔螺栓
[GB]
GB /T 31.3-1988
Hexagon bolts with split pin hole on shank-fine pitch thread
3
小六角头螺杆带孔螺栓
[GB]
GB 23-1976
Bolts, small hexagon head with hole through the shank
4
小六角头螺杆带孔导颈螺栓
[GB]
GB 24-1976
Bolts, small hexagon head with fit neck and hole through the shank
5
六角头螺杆带孔螺栓
[GB]
GB /T 31.1-2013
Hexagon bolts with split pin hole on shank Suppliers(1)
6
精制美制六角头杆部带孔螺钉
[BS]
BS 1768-1963
Unified hexagon head bolts, washer faced