Dimension drawing
3D drawing
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MS 20004-1999
Hex socket cap screws
Nom
P
ds max
ds min
dc max
dc min
dk
k
w
s max
s min
k1
d1 max
d1 min
b min
1/4
28
0.2492
0.2477
0.438
0.428
0.342
0.25
0.112
0.19
0.188
0.078
0.042
0.037
0.475
5/16
24
0.3117
0.3102
0.531
0.521
0.394
0.312
0.144
0.221
0.219
0.094
0.06
0.055
0.537
3/8
24
0.3742
0.3727
0.649
0.639
0.52
0.375
0.183
0.315
0.313
0.125
0.06
0.055
0.662
7/16
20
0.4367
0.4347
0.75
0.74
0.534
0.438
0.208
0.315
0.313
0.156
0.06
0.055
0.787
1/2
20
0.4991
0.4971
0.828
0.818
0.625
0.5
0.247
0.3785
0.3755
0.172
0.06
0.055
0.787
9/16
18
0.5616
0.5596
0.938
0.928
0.723
0.562
0.279
0.441
0.438
0.203
0.06
0.055
0.85
5/8
18
0.624
0.622
1.05
1.04
0.826
0.625
0.317
0.5035
0.5005
0.234
0.06
0.055
0.912
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