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3D Model
2D Blueprint
Hex Flange Screws [Table 8](A394)
Product Specification
Screw Thread
1/4
Thread Size
1/4
D
0.25
PP
UNC
20
PP
UNF
28
Ds
Max
0.25
Ds
Min
0.245
S
Max
0.375
S
Min
0.367
E
Min
0.409
Dc
Max
0.56
C
Min
0.04
K
Max
0.28
B
L≤6
0.75
B
L>6
1
R
Max
0.025
R
Min
0.015
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