flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 41000 single pounds per square inch shear strength chromate surface treated
3a thread class right-hand 0.476" 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 0.476" thread length flat countersunk head style 0.552" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.506" thread length flat countersunk head style 0.428" grip length 24 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.378" thread length pan no. 2 head style 0.302" grip length 28 thread quantity per inch internal drive ribbed passivate surface treated unjf thread series
3a thread class right-hand 0.365" thread length dished hexagon head style 0.240" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
