3a thread class right-hand 0.297" thread length fillister head style 32 thread quantity per inch slotted head oxide fastener surface treated unf thread series
3a thread class right-hand 0.540" thread length flat countersunk head style 28 thread quantity per inch two spring loaded plunger operated retaining balls unf thread series
2a thread class right-hand 0.119" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.291" thread length flat countersunk head style 1.490" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.374" thread length double hexagon head style 1.178" grip length 24 thread quantity per inch cadmium surface treated unjf thread series