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ASME/ANSI B18.5-1-2008
Round Head Bolts-Table1
Nom
P
ds max
ds min
dk max
dk min
k max
k min
r max
#10
24|32
0.199
0.182
0.469
0.438
0.114
0.094
0.031
1/4
20|28|32
0.26
0.237
0.594
0.563
0.145
0.125
0.031
5/16
18|24|32
0.324
0.298
0.719
0.688
0.176
0.156
0.031
3/8
16|24|32
0.388
0.36
0.844
0.782
0.208
0.188
0.031
7/16
14|20|28
0.452
0.421
0.969
0.907
0.239
0.219
0.031
1/2
13|20|28
0.515
0.483
1.094
1.032
0.27
0.25
0.031
5/8
11|18|24
0.642
0.605
1.344
1.219
0.344
0.313
0.062
3/4
10|16|20
0.768
0.729
1.594
1.469
0.406
0.375
0.062
7/8
9|14|20
0.895
0.852
1.844
1.719
0.469
0.438
0.062
1
8|12|20
1.022
0.976
2.094
1.969
0.531
0.5
0.062
Notice:Correct standard information, Feedback.
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