3a thread class right-hand 0.425" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.360" thread length flat chamfer head style 28 thread quantity per inch chromate stand-off surface treated unf thread series
3a thread class right-hand 0.880" thread length flat chamfer head style 0.043" hole diameter 32 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 0.108" thread length flat countersunk head style 32 thread quantity per inch finish color black oxide surface treated unc thread series
3a thread class right-hand 0.533" thread length flat chamfer head style 32 thread quantity per inch passivate fastener surface treated unrc thread series