3a thread class right-hand 0.310" thread length fillister head style 32 thread quantity per inch cross recess drive head passivate surface treated unf thread series
3a thread class right-hand 0.470" thread length tee no. 3 head style 28 thread quantity per inch unthreaded part of shank 0.3125 in. to 0.3135 in. dia nickel surface treated unf thread series
3a thread class right-hand flush countersunk head style 0.443" grip length 125000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.506" thread length flat countersunk head style 0.490" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.636" thread length hexagon head style 0.052" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
