flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style any acceptable hole diameter any acceptable grip length cadmium surface treated
3a thread class right-hand 0.251" thread length pan head style 0.428" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.271" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.271" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 1.750" thread length flat chamfer head style 0.061" hole diameter 11 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.338" thread length dished hexagon head style 0.312" grip length 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.428" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.715" thread length hexagon head style 0.064" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.313" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
