3a thread class right-hand 0.755" thread length pan head style 16 thread quantity per inch thread locking compound applied on first six full threads phosphate surface treated unf thread series
3a thread class right-hand 0.330" thread length flat countersunk head style 24 thread quantity per inch point surface finish 32.0 microinches unjf thread series
2a thread class right-hand 1.000" thread length headless (setscrew) head style 10 thread quantity per inch one thru hole 0.187 in. min, 0.192 in. max zinc surface treated unc thread series