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Unit:inch

Askew Head Bolts [Table 4]

ASME B 18.2.1 (T4) - 2010

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美标ASME B18.2.1 (T4) - 2010 ASME18.2.1 18 Askew Head Bolts [Table 4]
Screw Thread
d
3/8 1/2 5/8 3/4 7/8 1
d
PP UNC
ds max
min
s Basic
max
min
e max
min
k1 max
min
k Ref.
r max
min
b L≤6
L＞6
0.3750 0.5000 0.6250 0.7500 0.8750 1.0000
16 13 11 10 9 8
0.388 0.515 0.642 0.768 0.895 1.022
0.36 0.482 0.605 0.729 0.852 0.976
9/16 3/4 15/16 1-1/8 1-5/16 1-1/2
0.562 0.75 0.938 1.125 1.312 1.5
0.544 0.725 0.906 1.088 1.269 1.45
0.795 1.061 1.326 1.591 1.856 2.121
0.747 0.995 1.244 1.494 1.742 1.991
0.317 0.411 0.52 0.614 0.723 0.801
0.277 0.371 0.48 0.574 0.683 0.761
0.25 0.328 0.422 0.5 0.594 0.656
0.03 0.03 0.06 0.06 0.06 0.09
0.01 0.01 0.02 0.02 0.02 0.03
1 1.25 1.5 1.75 2 2.25
1.25 1.5 1.75 2 2.25 2.5

Alternative history

ASME B 18.2.1T4 - 2010 ASME B 18.2.1T4 - 2012
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