3a thread class right-hand 0.276" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.781" grip length single action fastener installed with a single action tool; locking collar green passivate surface treated
3a thread class right-hand 1.432" thread length flat countersunk head style 32 thread quantity per inch chromate screw surface treated unjc thread series
2a thread class right-hand 0.639" thread length hexagon extended washer head style 18 thread quantity per inch cadmium surface treated unc thread series