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BS 1769-2013
Black hexagon head bolts with strength shank
Nom
P
ds max
ds min
k max
k min
s max
s min
r max
1/2
13|20
0.53
0.494
0.426
0.386
0.875
0.855
0.03125
5/8
11|18
0.675
0.619
0.522
0.478
1.0625
1.0375
0.0625
3/4
10|16
0.8
0.744
0.618
0.57
1.25
1.225
0.0625
7/8
9|14
0.938
0.869
0.714
0.662
1.4375
1.4075
0.0625
1
8|12
1.063
0.994
0.778
0.722
1.625
1.595
0.0625
1-1/8
7|12
1.188
1.117
0.874
0.814
1.8125
1.7825
0.125
1-1/4
7|12
1.313
1.242
0.97
0.906
2
1.955
0.125
1-3/8
6|12
1.469
1.367
1.065
0.997
2.1875
2.1425
0.125
1-1/2
6|12
1.594
1.492
1.161
1.089
2.375
2.33
0.125
1-3/4
5
1.844
1.742
1.352
1.272
2.75
2.69
0.125
2
4.5
2.094
1.99
1.482
1.394
3.125
3.065
0.125
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