3a thread class right-hand 0.304" thread length hexagon head style 0.062" hole diameter 28 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.500" thread length flat countersunk head style 1/4-28 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 1.070" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.813" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.251" thread length pan head style 0.365" grip length 3a thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.293" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.240" thread length hexagon head style 0.078" grip length 28 thread quantity per inch cadmium surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.172" grip length 32000 single pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.276" thread length flat countersunk head style 0.250" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.375" thread length hexagon head style 0.625" grip length 12 thread quantity per inch cadmium grip surface treated unf thread series
3a thread class right-hand 0.562" thread length hexagon head style 0.360" grip length 24 thread quantity per inch passivate surface treated unf thread series
