Back
4-40 UNC NC
Clear Hole = Drill ~ Probable Ø
Basic
.112
+.0025
#33 (.113) ~ .1145
+.0055
#32 (.116) ~ .1175
+.0095
#31 (.120) ~ .1215
Cut Tap % ~ Drill ~ Probable Ø
67%
43 (.089) ~ .090
60%
2.32mm (.0913) ~ .0923
55%
#42 (.0935) ~ .0945
Form Tap % ~ Drill ~ Probable Ø
65%
#39 (.0995) ~ .101
Socket Head Screw Size
Basic Head Height
.108 - .112
Basic Head Diameter
.176 - .182
General Data
Internal Hex Size
3/32
Stress Area in Sq. In.
.006