2a thread class right-hand 0.350" thread length flat countersunk head style 20 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.138" thread length flat countersunk undercut head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.600" thread length flat countersunk keyed head style 24 thread quantity per inch torx recess DR1ve style unjf thread series
3a thread class right-hand 1.813" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.488" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.412" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.589" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.658" thread length pan head style 32 thread quantity per inch cadmium screw surface treated furnished with boot type nylon washer 0.500 in. o/d, color gray per fed. std 595 no. 16231 unf thread series
3a thread class right-hand 0.346" thread length pan head style 32 thread quantity per inch cadmium screw surface treated furnished with boot type nylon washer 0.500 in. o.d., head unf thread series