3a thread class right-hand 0.381" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.393" thread length flat countersunk head style 1.490" grip length 24 thread quantity per inch nickel surface treated unj thread series
3a thread class right-hand 0.265" thread length flat countersunk head style 0.677" grip length 28 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 1.510" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.544" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.380" thread length flat chamfer head style 32 thread quantity per inch navy special project passivate screw surface treated center of head 0.031 in. from longitudinal axis of the fastener unc thread series