Back
1/2-20 UNF NF
Clear Hole = Drill ~ Probable Ø
Basic
.500
+.003
1/2 (.500) ~ .503
+.019
33/64 (.5156) ~ .519
+.034
17/32 (.5312) ~ .535
Cut Tap % ~ Drill ~ Probable Ø
68%
29/64 (.4531) ~ .456
62%
11.60 (.4567) ~ .460
Form Tap % ~ Drill ~ Probable Ø
62%
12.00mm (.4724) ~ .4754
Socket Head Screw Size
Basic Head Height
.492 - .500
Basic Head Diameter
.735 - .750
General Data
Internal Hex Size
3/8
Stress Area in Sq. In.
.1599