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3D Model
2D Blueprint
Plain and Slotted Hex Washer Head Screws [Table 32] (ASTM F837, F468)
Product Specification
Screw Thread
1/4
Thread Size
1/4
D
0.25
PP
UNC
20
S
Max
0.375
S
Min
0.367
E
Min
0.409
H
Max
0.19
H
Min
0.172
Dc
Max
0.52
Dc
Min
0.48
C
Max
0.05
C
Min
0.03
N
Max
0.075
N
Min
0.064
T
Max
0.111
T
Min
0.083
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