1/4" BSW
Threads per inch; 20tpi
Across the flats; 0.4450"
Overall height; 0.3210"
5/16" BSW
Threads per inch; 18tpi
Across the flats; 0.5250"
Overall height; 0.3780"
3/8" BSW
Threads per inch; 16tpi
Across the flats; 0.6000"
Overall height; 0.4380"
1/2" BSW
Threads per inch; 12tpi
Across the flats; 0.8200"
Overall height; 0.5930"