32UN and 32UNR Fixed Pitch Series Thread Chart

Measured in Inches
Size Primary
Inch		 Basic Major Diameter
Inch		 Basic Pitch Diameter
Inch		 Minor Diameter, inch Minor Dia. Area
sq. inch
Tensile Stress Area
sq. inch
External Thread Internal Thread
inch inch inch inch inch sq. inch sq. inch
#6 0.138 0.1177 0.1008 0.1042 0.00745 0.00909
#8 0.164 0.1437 0.1268 0.1302 0.01196 0.014
#10 0.19 0.1697 0.1528 0.1562 0.0175 0.02
#12 0.216 0.1957 0.1788 0.1822 0.0242 0.027
1/4 0.25 0.2297 0.2128 0.2162 0.0344 0.0379
5/16 0.3125 0.2922 0.2753 0.2787 0.0581 0.0625
3/8 0.375 0.3547 0.3378 0.3412 0.0878 0.0932
7/16 0.4375 0.4172 0.4003 0.4037 0.1237 0.1301
1/2 0.5 0.4797 0.4628 0.4662 0.166 0.173
9/16 0.5625 0.5422 0.5253 0.5287 0.214 0.222
5/8 0.625 0.6047 0.5878 0.5912 0.268 0.278
11/16 0.6875 0.6672 0.6503 0.6537 0.329 0.339
3/4 0.75 0.7297 0.7128 0.7162 0.395 0.407
13/16 0.8125 0.7922 0.7753 0.7787 0.468 0.48
7/8 0.875 0.8547 0.8378 0.8412 0.547 0.56
15/16 0.9375 0.9172 0.9003 0.9037 0.632 0.646
1 1 0.9797 0.9628 0.9662 0.723 0.738